课件36张PPT。Unit 4 InventionsGrammar123目录ReviewWhile-LearningPost-LearningPart I ReviewThe comparative of adjectives & The superlative of adjectives e.g. big---bigger---biggest 1. 一般情况直接在形容词后+ er, este.g. small---smaller---smallest2. 以不发音的e结尾的单音节形容词后+ r, ste.g. large---larger---largest3. 以一个辅音字母结尾的重读闭音节形容词:
双写该辅音字母＋er, est一元、一辅、一重、一短Find the rules 4. 以辅音字母＋y结尾的形容词去y + ier, ieste.g. busy---busier---busieste.g. good ---better---best
many / much---more---most bad ---worse---worst little ---less---least far ---farther--- farthest old ---older---oldest
far--- further--- furthest old--- elder--- eldest5. 一部分双音节和全部多音节的形容词和副词:
在前＋more, moste.g. tired------more tired-----most tired
expensive---more expensive---most expensive6. 不规则形容词和副词的变化注：older 一般指年龄或新旧；
elder指长幼关系(一般修饰名词);
elder brother / sister
farther指距离或时间上“更远的（地）”
further 1）指距离或时间上“更远的（地）”，
可与farther互换
2）指程度上“更进一步；更深远”:
I want to study English further. expensive---eldest---elder---oldest---olderold---biggest---biggerbig---healthiest ---healthierhealthy---easiest ---easiereasy---least---lesslittle---largest---largerlarge---lightest ---lighterlight--- most expensive---more expensiveExercises--- most valuable--- more valuablevaluable---dirtiest---dirtierdirty---smallest---smallersmall---heaviest---heavierheavy---most useful---more usefuluseful---hottest---hotterhot---finest---finerfine---cheapest---cheapercheapExercisesPart II While-LearningGood, better, best.
Never let it rest.
Until your good is better and your better is best.Grammar A good, bad and farA1 Look at the school report below. In pairs, ask and answer questions about it.Daisy got an 83 in Art.Daisy's mark in Art. 1. S1: Who _________________in Art, Belinda or
Daisy? (good)
S2: _____________________________.
2. S1: Who _______________ in Art? (good)
S2: _____________________________.got a better markDaisy got a better mark in Art than Belinda.got a best markAlice got the best mark in Art.3. S1: Who _____________________ in Science,
Paul or Martin? (good)
S2: _____________________________.
4. S1: Who ___________________ in Science,
Eric or Alice? (bad)
S2: _____________________________.
5. S1: Who _________________ in Science? (bad)
S2: _____________________________.Paul got a better mark in Science than Martin.got a worse markEric got a worse mark in Science than Alice.got the worst markEric got the worst mark in Sciencegot a better markA2 Look at the map. Ask and answer questions about it. Follow the example.S1: Whose home is farther/further from Alice’s, Daisy’s
or Paul’s?
S2: Paul’s home is farther/further from Alice’s.
S1: Whose home is the farthest/furthest from Alice’s,
Daisy’s, Paul’s or Eric’s?
S2: Eric’s home is the furthest from Alice’s.But remember:With light bulbs, people can do ______ things than before at night. Oil lamps produce ______ light than light bulbs.Carriages carry ______ passengers than trains. Light bulbs produce ______ light than oil lamps. moremorelessfewerExample:
Ben has ______ paper than Judy but ______ storybooks
than Alice.morefewerComplete the sentences with the comparative or superlative form of many, much, few and little. Judy has _____ storybooks than Alice but _____ notebooks
than Ben.
Ben has _____ ink than Judy but _____ paper than Alice.
Alice has _________ storybooks among/of the three students.morefewermorelessthe mostJudy has _________ paper among/of the three students.
Alice has _________ notebooks among/of the three students.
Ben has _________ ink among/of the three students. the mostthe fewestthe leastThe first computer was
as big as a room.With light bulbs, people can do as many things in the evenings as they can in the daytime. Grammar B (not) as…asThe first computer was as big as a room.
With light bulbs, people can do as many things in
the evenings as they can in the daytime.
A candle does not produce as much light as a light bulb.We use (not)as… as to say that things or people are (not) equal in some way. Work out the ruleWe use (not) as…as with (the base form/the comparative) of adjectives to compare things and people.
We use (not) as…as with _____________+ the plural form of a countable noun or ___________+ an uncountable noun to compare amounts.manymuchas + 形容词/副词原形＋ as :和……一样……
not as +形容词/副词＋as: 和……不一样…Goofy is as tired as Minnie.Mickey cannot skate as well as Minnie.Make sentences MickeyMinnie1. Mickey is _______than Minnie.
2. Minnie is_______than Mickey.
3. Minnie is not as _____ as Mickey.happiersadderhappyplanetrainThe plane is _____than the train.
The train is ______than the plane.
The train is not as ____as the plane.fasterslowerfastsuitcase 1suitcase 21. The red case is ______________than the
black one.
2. The black case is ____________than the
red one. It is________.
3. The black case is not as_________as the red one.more expensiveless expensivecheaperexpensiveB1 Look at the pictures below and complete the following sentences.3. The Hotwave _______________ (high) the
Micro-King.
4. The Micro-King _____________________
(deep) the Speedcook.
5. The Hotwave and the Micro-King _________
(wide) the Speedcook and the Superoven.is as high asis not as deep asis not as
wide as1. The Blacks ____________________
cans ____ the Browns.
2. The Whites _____________________ plastic ____ the Browns.
3. The Browns _____________________ paper ____ the Blacks.
4. The Greens ______________________ glass ____ the Whites.
5. The Greens ______________________ cans ____ the Whites.asasasasasthrow away as manythrow away as muchthrow away as muchdon't throw away as muchdon't throw away as manyB2 Look at the table and the pictures and complete the sentences with (not) as many/much as.Example:Mary doesn’t have as many storybooks as Sandy.Talk about the things the students have with (not) as few/little/many/much… as.Lucy has as many storybooks as Mary. has as many asdoesn’t have as many asdoesn’t have as many asLucy has as many paper as Mary. has as much asLucy has as many ink as Mary. has as much asSandy paper Mary/Lucy.doesn’t have as much asMary/Lucy ink Sandy.doesn’t have as much asMary ink Lucy. has as little asLucy notebooks Mary. has as few asMary/Lucy notebooks Sandy. Part III Post-Learning一、选择最佳答案填空。
( )1. The population of that city is three times ____ than
the small town’s.
A. large B. larger C. largest D. the largest
( )2. This park is less ____ than that one.
A. wonderful B. more wonderful
C. most wonderful D. the most wonderful
( )3. Of all the players, Jacky Chen plays ____.
A. good B. well C. better D. best
( )4. After taking this medicine, he got even ____.
A. bad B. badly C. worse D. worst
( )5. Melbourne is one of ____ cities in the world.
A. beautiful B. more beautiful
C. most beautiful D. the most beautifulBADCDExercises 二、翻译下列句子。
1. 汤姆犯的错误和我犯的一样多。
2. 这件连衣裙比那件贵一倍。
3. 他并不像比尔一样那么有钱。Tom made as many mistakes as I did.This dress is twice as expensive as that one.He is not as rich as Bill.Thank you!课件25张PPT。Unit 4 InventionsListening1234目录Pre-ListeningWhile-ListeningPost-ListeningReviewPart I Pre-ListeningWhat are they? What can we do with them?funny inventionsadvertisementWhat do you think of these inventions?Let’s learn the new words and expressions.dust
keep…off
at the same timen. 灰尘；尘土 p.54
使……不接近 p.54
同时 p.54短 语 收 藏 夹（Listening）1. keep off 使……不接近
请把脚从沙发上移开，那样不礼貌。
Please keep your feet off the sofa, it’s not
polite.
勿踏草地。
Keep off the grass.Notes (Listening)2. dust n. 灰尘；尘土
dustbin 垃圾箱
dust用作动词意思是“掸去灰尘”。后接粉
状物质时,还可表示“把…撒在…上”。 dust
用作及物动词时,接名词、代词作宾语。
镜子被蒙上了灰尘。
The mirror is covered with dust.
我们必须每天掸去灰尘。
We have to dust every day.3. at the same time 同时
我不能同时听你们两个人一起说话。请一
个一个说。
I cannot listen to both of you at the same
time. Please talk one after another.
我们今天早上同时到学校。
We arrived at school at the same time.Part II While-ListeningA. Listen to advertisements for four inventions and complete their names. Write one word in each blank. _______ For Shoes Cleaner Cat _____
_______ Telephone _______ GlassesFunny inventionsUmbrellasBrushesExerciseTwo-wayB. Listen to the recordings again and circle the correct answers.1. The first invention can ___
A. make your shoes more beautiful
B. keep the dust off your shoes
C. keep the rain off your feet
2. You buy the second invention to ____
A. keep your cat’s feet warm
B. keep your cat’s feet clean
C. help you clean the floor 3. If you buy this telephone, you will ___
A. talk more B. talk less C talk happily
4. With this pair of glasses, you ___
A. can cook behind and in front of you at the
same time
B. can see things more clearly
C. will look coolPart III Post-ListeningTapescript 1. When it rains, do your shoes get wet?
Of course, they do! But you can buy these
clever Umbrellas For Shoes. They keep the
rain off your feet.
2. Do you have to clean the floor at home?
Perhaps your cat can do a better job than you.
Buy these Cleaner Cat Brushes. Then you can
sit back an relax!3. Do you talk too long on the phone?
Most people do! Save time—buy the Exercise Telephone! It weighs five kilograms. Then your calls will be less than five minutes long.
4. Do your friends sometimes come up behind you and make you jump? Do cars come around the corner when you try to cross the road?
Well, it won’t be a problem if you have Two-Way Glasses. You can look at things behind and in front of you an the same time.Hats for passengers
Now you can sleep while you're travelling! The suction cup（吸盘）on the back keeps the passenger’s head in place, while a message on the front asks other passengers, "Could you please wake me up when I reach the stop printed below? Many thanks." Where are your biscuits?
The biscuits are in base of the cup. In this way they can be kept warm.Funny Inventions Automatic（自动）ice cream cone
For the lazy, just stick out your tongue and enjoy.
Put ice cream in the removable dish, push the button and the ice cream turns while you enjoy one of the world's most popular treats. Fun for all ages.360 degrees camera
Capture in 360 degrees real-time. All the angles. Nothing missed.Talk about some funny or special inventions that you have known, used or thought of. Today, you can create a new or special invention of your own.Part IV Reviewkeep…off
at the same time使……不接近
同时Dictation一、选择最佳答案填空。
1. Keep the door ____. The typhoon is coming.
A. close B. closing C. closed D. to close
2. You ____hurry if you want to catch that train.
A. have to B. had to C. will have to D. have had to
3. You need to rest from your work. You look very ____.
A. tiring B. tired C. tiredly D. tire
4. Don’t make your parents ____ and be a good child.
A. worrying B. worried C. worriedly D. to worry
5. She looked ____ and saw her purse lying on the ground.
A. at B. up C. behind D. forExercisesCCBBC1. 你能同时填上这个表格吗？
Can you fill out the form _____ _____ _____ _____?
2. 让你的狗远离我！我很怕它。
_____ your dog _____ me! I’m very afraid of it.
3. 这手套能让你的手保暖。
The gloves can _____ your hands _____.
4. 我们必须现在打扫房间吗？
_____ we _____ ______ clean the room now?
5. 她往后看，发现她的钱包在地上。
She _____ _____ and saw her purse lying on the ground.二、根据中文意思完成句子。Keep off at the same time keep warmDo have tolooked behindThank you!课件39张PPT。Unit 4 InventionsMore practiceCulture cornerProject 12345目录Lead-inMore practiceCulture cornerProject ReviewPart I Lead-inCan you name some great inventors and their inventions?the (fountain) penthe ballpoint penDo you know what the invention is?Which do you prefer? Why?Do you know why the ballpoint pen was invented?rollrefillmake a messdry easilytipPart II More practiceParagraph __The ballpoint pen was a
great success.How people remember Bíró.Paragraph __Paragraph __324Skim the article about the inventor of the ballpoint pen, László Bíró, and tell what each paragraph is about.How the ballpoint pen was invented.More practiceA pen giantDo you know Laszlo Biro? Maybe you do not, but you probably use his invention every day, and you may even have it in your hand right now!Biro(1899-1985) was the inventor of the ballpoint pen. He was born in Budapest, Hungary. In the 1930s, when he worked as a newspaper editor, he used a fountain pen almost every day. However, he had to refill it all the time. The ink also did not dry easily, and it sometimes made a mess on the paper. Biro wanted a better pen. His brother, George, helped him develop a special ink. The ink dried easily. Then they developed a new type of pen.
There was a tiny ball at the tip of the pen. The ball rolled ink onto paper as it move. They called it the “ballpoint” pen.The ballpoint pen was a great success. Everyone loved it. Now millions of people use it all over the world every day.
People will always remember Biro for his invention. Today in many English-speaking countries, people still use the word “biro” to refer to any kind of ballpoint pen.1. Why did Bíró decide to invent the ballpoint pen?
2. How did Bíró’s brother help him invent the
ballpoint pen?
Because he had to refill his fountain pen all the time. The ink did not dry easily and it sometimes made a mess on the paper.Bíró's brother helped him develop a special ink. The ink dry easily. A Read the article again. Then answer the questions below.3. How does the ballpoint pen work?
4. How do people remember Bíró for his
invention today?
There is a tiny ball at the tip of the pen. The ball rolls ink onto paper as it moves. In many English-speaking countries, people still use the word "biro" to refer to any kind of ballpoint pen.What does the word “giant” mean in the title? Why do we call Bíró a pen giant? Discuss these with your classmates.biro Bíró SaxsaxophoneSandwichsandwichDo you know of any other invention that was named after its inventor? The Earl of Sandwich was an Englishman. He lived in the 18th century. The Earl of Sandwich was rich, but he liked to play cards for money. He often played for 24 hours, and didn’t even stop to have his meals. He ordered his servants to bring him some meat and bread. He put the meat between the two pieces of bread and held the food in his left hand and played cards with his right hand.
People liked his idea, and from then on they ate bread and meat as he did.
From the name Sandwich, we get the word for the food “sandwich” today.Read this article about the inventor of the sandwich and complete the exercise.1.? The Earl of Sandwich was ____________.
the name of a servant
the title of a man with a lot of money
C. a poor man who lived by playing cards
D. the name of food which is liked by rich people
2.? The Earl of Sandwich? ____________.
A. was so interested in playing cards that he often had no
time to have his meals
B. often brought some bread with him to play cards
C. never ate anything while he played cards
D. had no money to play cards with in the endBA3. People liked?the Earl of Sandwich's idea because ____.
A. bread and meat was cheap to eat
B. he always won when he played cards
C. they liked?the Earl of Sandwich
D. when they ate with one of their hands, they could do
something with the other
4. Today,?the sandwich?is ____________.
A. also a name of a rich man
B. two pieces of bread with meat between them
C. not interested in playing cards
D. not liked by most of the peopleDB5. As a food,?the sandwich ____________.
A. is usually made of bread and chicken
B. is usually made of bread and meat
C. sometimes smells good, but sometimes not
D. is hard for us to makeBLet’s learn the useful expressions.*instead of 代替
*right now 现在；目前
*work as 从事……工作
*all the time 一直；总是
*make a mess 弄得一团糟
*at the tip of 在……的尖端
*refer to 指的是；涉及短 语 收 藏 夹（More practice）1. However, he had to refill it all the time.
不过，他总是要（用墨水）重新装满它。
refill 是动词，意为“重新装满”，由前缀re-加词根fill 构成。前缀re-意为“再次；重新”，常加在动词和名词的前面。例如：
reread“重读”，resale“转售”。
all the time 意为“一直；总是”。例如：
我会一直帮助你。
I’ll help you all the time.Notes (More practice)【辨析】all the time与always
all the time 是副词性短语，意为“一直；总是”，表
示自某个特定阶段开始，一直到结束，不表示频
率，常位于句末。
always 是频度副词，意为“总是”，表示动作的反
复、状态的持续，中间没有间断，其反义词是
never；与进行时连用时，常带有不满、赞美等感情
色彩。例如：
孩子们一直在唱歌。
Children are singing all the time.
他总是起床很早。
He always gets up early.将下列单词翻译成英语。
1. 重建
2. 重新开始
3. 重写
4. 重新制作
选择最佳答案填空。
( )5. If you are famous, people will watch you ____
and follow you everywhere.
A. all the time B. by the time
C. on time D. at timesrebuildrestartrewriteremakeAPractice2. ... and it sometimes made a mess on the
paper. ……它有时把纸弄得一团糟。
mess 在此句中是名词，意为“杂乱；混乱”，常用冠词a 修饰，构成的短语有：
in a mess 乱成一团；乱糟糟的
make a mess 弄得一团糟
make a mess of
把……（计划、工作等）弄得一团糟 例如：
我儿子的房间总是乱糟糟的。
My son’s room is always in a mess. Part III Culture cornerthe Kongming LanternKongming (Zhuge Liang)Have you ever flown a Kongming Lantern? When?How does the Kongming Lantern rise into the sky?Culture cornerWhat is the relationship between the Kongming Lantern and the hot-air ballon?The Kongming Lantern led to the invention of the hot-air balloon.Skim the article about the Kongming Lantern and the hot-air balloon and answer the following questions.Where is the Kongming Lantern popular?All over Asia.Read the article about the Kongming Lantern and the hot-air balloon again and answer the following questions.1. What is the Kongming Lantern?
It is a kind of paper lantern with a closed top
and a small candle inside.
2. How does the Kongming Lantern work?
The candle heats the air inside the lantern
and makes it rise.3. When do people use the Kongming Lantern?
People use it on important days and during
festivals.
4. What did Zhuge Liang use such lanterns to
do?
He used them to give signals in battles.
5. How did the Kongming Lantern lead to the
invention of the hot-air balloon?
Because they both work in the same way.Part IV Project Do you know about the four great inventions from ancient China?I want to find out about the inventor of …/life before… A Look at the photos below. In groups, choose one invention and discuss it. Use the questions below to help you. Add more questions if you wish.B After the discussion, complete the table below. Research on the Internet or use an encyclopaedia if necessary.An ____________ to the inventionThe ________ of
the inventionThe __________ between the invention and youintroductionhistoryrelationshipThe _________ of the inventionimportanceRead the article and summarize the general idea of each paragraph.C In groups, write a short article about the invention. Use the outline and the example below to help you.Part V ReviewDictation代替
现在；目前
从事……工作
一直；总是
弄得一团糟
在……的尖端
指的是；涉及instead of
right now
work as
all the time
make a mess
at the tip of
refer to 一、选择最佳答案填空。
( )1. ____ invention may be new today, but in a few years, it may
be outdated.
A. A B. An C. The D. 不填
( )2. Tom ____ visits his grandparents at weekends.
A. sometime B. some time C. sometimes D. some times
( )3. This box of books is too heavy. Please help me ____ it into
that room.
A. carry B. carrying C. carried D. to carrying
( )4. Our boss says because you are the 100,000th customer in our
restaurant, you can order ____ dish you like for free.
A. no B. some C. any D. every
( )5. ____ time went by, the boy forgot his promise in the end.
A. When B. Since C. Though D. AsCCACDExercises二、根据句意，从方框中选择恰当的短语填空，注
意其形式。
Make some jam if you want to, but don’t
____________ in the kitchen.
2. The map of the seamount is very old. Scientists made it ____________.
3. Look! An apple is ____________ the branch. You can pick it easily.
4. Smoking too much can ___________ lung cancer.
5. His statement ___________ the thing itself, not the
person.
at the tip of, lead to, make a mess, in the 1930s, refer tomake a messin the 1930sat the tip oflead torefers toThank you!课件79张PPT。Unit 4 InventionsReading12345目录Lead-inPre-ReadingWhile-ReadingPost-ReadingReviewPart I Lead-inGetting readyWhat is Hi doing?
What is the book about?
What does Hi ask Lo?
Why is Lo so proud of himself? Look at the cartoon and answer the questions.He is reading a book.It is about great inventions.What is the most important invention in the world?Because Lo thinks the robot is the most important invention in the world and he himself is a robot.Part II Pre-ReadingThese inventions have all changed our way of life and
made our lives more comfortable.Background informationWhich is the most important invention to you? Why?paperlight bulbtrainwheeltelephonecomputerA What do you know about ...?A1 Inventions change our way of life. Look at the photos below. Write the name of each invention in the blanks. computer light bulb paper telephone train wheelA2 How do these inventions help us in our daily lives? In groups, discuss this with your classmates.Computers help us find information easily. ...Look at the pictures, the title, the introduction and
the sub-headings(副标题)of the article on page 51.
Then answer the questions below.
1. What three inventions will the article talk about?
2. Which invention do you think is the greatest
invention? Why?
B Before you readThe wheel, the telephone and the light bulb.Possible answer
I think that the wheel is probably the greatest
invention. Because travelling became faster and
more comfortable after its invention.Part III While-ReadingRead the text and answer the questionsThe wheel
The wheel is perhaps the greatest invention in history. After its invention, travelling became faster and more comfortable. A few thousand years ago, people started
to use wheels on carriages. In the early 19th century, the first trains began to carry passengers. At the start of the 20th century, cars became popular. Without the
wheel, we would not have these inventions.Great inventionsGreat inventions change the world. They help people live a better life. The following are three of the most important inventions in history.The telephone
Alexander Graham Bell invented one of the first practical telephones in 1876. Since then, people have been able to speak to each other over long distances. Today millions of people across the world own mobile phones. They allow people to keep in touch with each other anytime, anywhere.The light bulb
Thomas Edison developed the first practical light bulb in 1879. Before the invention of the light bulb, people had to use oil lamps, gas lamps or candles to see at night. With light bulbs, people can do as many things in the evenings as they can in the daytime. Can you imagine living without them?Skimming means to read an article quickly to get its general idea. To skim an article, you should look at its introduction, title, sub-headings, photos or pictures, and the first and last sentences of each paragraph.StrategyWhich invention is probably the greatest in
history according to the article? When was the first practical light bulb
invented? 3 What did Alexander Graham Bell invent? 1 How do great inventions help people? The wheel.He invented one of the first practical
telephones.In 1879.They help people live a better life.I. Skim the article again and answer the following questions.The wheelII. Read the first part of the article and complete the table.Don’t know.A few thousand years ago.Travelling became faster and more comfortable. carriages
trains
carsThe telephone speak to each other over long distances. keep in touch with
each other anytime, anywhere with mobile phonesIII. Read the second part of the article and complete the table.Alexander Graham Bell.In 1876.IV. Read the third part of the article and answer these questions.The light bulb1 What did people use to see at night before the invention of the light bulb?People used oil lamps, gas lamps or candles.2 What has life been like after the invention of the light bulb?People can do as many things in the evenings as they can in the daytime.Now, let’s finish the exercises on the book.VocabularyC1 Find words from the article on page 51 that have
similar meanings to the words in italics below.1. My new shoes felt nice and soft. (line 7)
2. This modern city was only a small village a
hundred years ago. (line 10)
3. All the people on the bus got excited when they
arrived at the Great Wall. (line 11)
4. The company produced a new camera last
year. (line 24)
5. The swimming pool is open during the
day. (line 29)comfortablecenturypassengerdevelopeddaytimeC2 Complete the conversation below with the words from the box. Change their forms if necessary.
anytime century comfortable daytime passenger Bill: When did people first start using cars?
Maggie: People developed the first cars in the 1880s, and
they started using cars a lot in the early
20th(1)_________.
Bill: I’m sure the people were very happy because
cars are so fast and (2)___________.
Maggie: Not really. These early cars were very slow.
They also created a lot of problems.centurycomfortableBill: What do you mean?
Maggie: Most people still had horses then, and the new
cars made loud noises and frightened them.
Also, (3)___________ often got very dirty
after a long ride, so many people didn’t use
them.
Bill: I suppose that people could only drive in the
(4)________ because those cars didn’t have
lights.
Maggie: That’s not true. They had lights, so people
could drive them (5)________.passengers daytime
anytime
Skimming
Skimming means to read an article quickly to get its main general idea.
To skim an article, you should look at its introduction, title, sub-headings, photos or pictures, and the first and the last sentences of each paragraph. Comprehension Alexander
Graham Bell Thomas
Edison faster and more comfortable speak to each other over long distances do as many things in the eveningsD1 Read the article on page 51 and complete the table below.1. Which of the three things was invented first?
_______________________________________
2. What inventions did the wheel make possible? _______________________________________
_______________________________________D2 Read again and answer the questions.The wheel was invented first.It made the inventions of carriages, trains and cars possible.3. How do mobile phones help people keep in
touch with each other?
_______________________________________
_______________________________________
4. How did people see at night before the invention
of the light bulb? _______________________________________
_______________________________________They had to use oil lamps, gas lamps or candles to see at night.They allow people to keep in touch with each other anytime, anywhere.Let’s learn the new words and expressions.advertisement
funny
createn. 广告 p.49
adj. 滑稽的；好笑的 p.49
v. 创造；创作 p.49New words
Getting readytelephone
wheel
comfortable
carriage
century
passenger
inventn. 电话；电话机 p.50
n. 车轮；轮子 p.50
adj. 使人舒服的；舒适的 p.51
n. (旧时载客的)四轮马车 p.51
n. 世纪 p.51
n. 乘客；旅客 p.51
v. 发明；创造 p.51Readingpractical
since
distance
mobile phone
anytime
develop
lamp
candle
daytimeadj. 有用的；适用的 p.51
prep. 从…以后；自…以来 p.51
n. 距离；间距 p.51
n. 移动电话；手机 p.51
adv. 在任何时候；
随便什么时候 p.51
v. 开发；研制 p.51
n. 灯 p.51
n. 蜡烛 p.51
n. 白天；日间 p.51短 语 收 藏 夹（Reading）
带*的是学过的短语since then
keep in touch with
in the daytime
*live a better life
*in history
*in the early 19th
century自那以来 p.51
与……保持联系 p.51
在白天 p.51
过更好的生活
在历史上
19世纪初*at the start of
*each other
*millions of
*across the world
*allow sb to do sth
*make loud noises在……开始的时候
互相；彼此
大量的；数以百万计的
世界各地
允许某人做某事
制造很大的噪音1. advertisement n. 广告
put an advertisement in a paper
在报纸上打一个广告
advertise v. 为……做广告
我们已经登广告找人管理花园了。
We have advertised for someone to look after the garden.
我在电视里看到一个巧克力的广告。
I saw an advertisement on TV for chocolate.Notes (Reading)2. funny adj. 滑稽的；好笑的
fun n. 乐趣
have great fun =enjoy oneself 过得愉快，开心
我的老师喜欢讲那些很好笑的笑话。
My teacher likes to tell some funny jokes.
我们在沙滩上玩的很开心。
We have great fun on the beach.3. create v. 创造；创作
creation n. 创作，作品
creative adj. 有创造力的
在这部电影里，他创造了一个很有趣的人。
He created a very funny man in this film.
你相信上帝创造世界的说法吗？
Do you believe that God created the world?4. telephone n. 电话；电话机
on the telephone 与某人通电话
make a telephone call 打电话
telephone number 电话号码
电话是一个很伟大的发明。 它使我们的世
界变小了。
Telephone is a great invention. It makes our
world smaller.
电话响了——你接一下行吗？
The telephone is ringing—can you answer it?5. wheel n. 车轮；轮子
汽车有四个轮子。
There are four wheels in the car.
谁知道车轮的历史？
Who knows the history of wheel?6. They help people live a better life.
它们帮助人们过上更好的生活。
live a good/rich/poor life
过好的/富裕的/贫穷的生活
我觉得老虎在森林里能生活得更好。
I think tigers can live a better life in the forest.7. The following are three of the most important
inventions in history.
下面是历史上最重要的发明中的三项。
following 在本句中作名词， 要与定冠词the连
用 ，意为“下列；下述”，单复数同形。其作主
语时，如果指单数或不可数名词，谓语动词用单
数形式；如果指复数，谓语动词则用复数形式。
例如：
全文如下。
The following is the full text.
以下是纽约的一些名胜。
The following are some places of interest in
New York.【拓展】
following 也可作形容词使用，意为“接着的；
下列的” 与定冠词the 连用，修饰后面的名
词。例如：
第二年，他加入了共产党。
The following year, he joined the Communist
Party.
你能回答下列问题吗？
Can you answer the following questions?选择最佳答案填空。
( ) 1. You have spoken for two hours. The following
____ not enough for Mr Li.
A. be B. are C. is D. am
( ) 2. These questions are easy, but the following
____ a little more difficult. Try to work them out.
A. be B. are C. is D. am
根据中文意思完成句子。
3. 下面这些哪个是正确的？
Which of ______ ______ ______ correct?
4. 请把下列句子翻译成英语。
Please translate ______ ______ ______ into English.the following isCBthe following sentencesPractice(2) in history 在历史上
他将会作为史上最伟大作家之一而留名青史。
His?name?will?live?in?history?as?one?of?the?
greatest?writers?of?all?time.?8. After its invention, travelling became
faster and more comfortable.
在车轮发明之后，旅行变得更加迅捷、更
加舒适。
comfortable adj. 使人舒服的；舒适的
坐火车旅游比坐小车旅游要舒适点 。
Travelling by train is more comfortable than
by car.
我喜欢在舒适的床上睡觉。
I like sleeping in a comfortable bed.9. A few thousand years ago, people started
to use wheels on carriages.
几千年前，人们开始在马车上使用轮子。
carriage n. 四轮马车
以前人们乘坐四轮马车旅行。
In old days, people travelled by carriage.
你曾经见过马车吗？
Have you ever seen a carriage?10. In the early 19th century, the first trains
began to carry passengers.
在十九世纪初期，首批火车开始搭载乘客。
(1) century n. 世纪
in the early 19th century 19世纪初
in the mid-19th century 19世纪中叶
/in the middle of the 19th century
at the end of the 19th century 19世纪末
在21世纪，人们 用电脑很多。
In the 21st century , people use computers
a lot .(2) 序数词后面一般接单数名词表示次序，但
本句中的the first trains 是“the+序数词+复数
名词”的结构，表示“第……批……”，此时
是把复数名词看作一个整体。例如：
第一批学生；首批学生 the first students
第二批学生 the second students
【拓展】
“the first + few / 数词+复数名词”意为“最
初……；前……”。例如：
最初几天
前三天the first few daysthe first three days【随身练】用英语翻译下列短语。
1. 第一批书 _______________________
2. 前四分钟 _____________________
3. 最初几个星期 ___________________
根据中文意思完成句子。
4. 这些是今天上午的第五批游客。
These are _____ _____ _____ this morning.the first booksthe first four minutesthe first few weeksthe fifth visitorsPractice(3) passenger n. 乘客；旅客
当事故发生的时候， 有十个乘客在飞机上。
When the accident happened, there were 10
passengers on the plane.
那架飞机运载着200名旅客。
The plane was carrying 200 passengers.11. Alexander Graham Bell invented one of
the first practical telephones in 1876.
亚历山大·格拉汉姆·贝尔在1876年发明了
第一个实用的电话。
(1) invent v. 发明；创造
inventor 发明者，发明家
invention 发明
他喜欢发明生活中的有用的东西。
He likes inventing lots of useful things in daily life.
爱迪生是一个世界上伟大的发明家 。
Edison was a great inventor in the world.
电视机的发明使我们的生活丰富了很多。
The invention of TV set makes our life more colourful.(2) practical adj. 有用的；适用的
这机器很实用。 它可以帮我们多很多事情。
This machine is very practical. It can help us
do lots of things.
我不太会做实际工作。
I’m not a very practical person.
实际点吧， 我们没有很多钱。
Be practical, we don’t have much money.12. Since then, people have been able to speak
to each other over long distances.
自那以后，人们可以进行远距离通话了。
(1) since prep. 从……以后；自……以来
since then 自那以后
since then在句中作时间状语。句子中如果有
since then作状语时，句子的谓语动词一般要
用现在完成时，即“have / has + 动词的过去
分词”，表示那时所做的动作对现在还有影
响。例如：
自那以后，他发明了五件有用的东西。
Since then, he has invented five useful things.选择最佳答案填空。
( )1. Since then, great changes ____ place in
this town.
A. take B. will take
C. taken D. have taken
根据中文意思完成句子。
2. 自那以后，我们再也没见过彼此。
____ ____, we ____ never ____ each other
again. Since thenDhavemet
/seenPractice(2) distance n. 距离；间距
in the distance 在远处
飞机能在很短的时间内飞很长的距离。
Planes can cover a long distance in a short
time.
学校和你家之间的距离是多少？
What is the distance between your home and
school?
从我家到车站的距离很短。
It’s a short distance from my house to the
station.13. Today millions of people across the world
own mobile phones.
今天，遍及世界各地，数以万计的人有自
己的手机。
(1) millions of 大量的；数以百万计的
(2) across the world 世界各地
(3) mobile phone n. 移动电话；手机
用手机打电话是很方便的。
It is very convenient for us to make a call with
mobile phone.14. They allow people to keep in touch with
each other anytime, anywhere.
(1) allow sb to do sth 允许某人做某事
(2) keep in touch with 与……保持联系
当你不在家的时候要与家里保持联系。
Keep in touch with family when you are away
from home.
我如何与你保持联系呢？
How can I keep in touch with you?(3) anytime adv. 在任何时候；随便什么时候
你随时都可以来这里的。
You can come here anytime you like.
随便你什么时候来拜访我们都欢迎。
You are welcome to visit us anytime.15. Thomas Edison developed the first
practical light bulb in 1879.
托马斯·爱迪生在1879年发明了第一个实用
的灯泡。
develop v. 开发；研制
development n. 发展
developed countries 发达国家
developing countries 发展中国家
这公司在几年内已经发展成一个大公司了。
The company has developed into a big one in a
few years.16. Before the invention of the light bulb,
people had to use oil lamps, gas lamps or
candles to see at night.
在发明灯泡之前,人们为了在晚上能看得见，
不得不使用油灯、汽油灯或蜡烛。
(1) lamp n. 灯
turn on the lamp 开灯
turn off the lamp 关灯
灯能够在黑夜里给我们光明。
Lamp can give us light in the night.(2) candle n. 蜡烛
商店里有很多不同的蜡烛。
There are many different candles in this shop.
他把蜡烛放在生日蛋糕上。
He put the candles on the birthday cake.17. With light bulbs, people can do as many
things in the evenings as they can in the
daytime.
有了电灯，人们可以在晚上像白天一样做
很多事情。
(1) with是介词，意为“有；带有”，反义词
为without。例如：
带着微笑
with a smile(2) daytime n. 白天；日间
in the daytime 在白天
at night 在晚上
in the night 在晚上
in the morning 在早上
in the evening 在晚上
in the afternoon 在下午
我愿意白天学习晚上出去。
I prefer to study in the daytime and go out in
the evening.18. Can you imagine living without them?
你能想像没有它们的生活吗？
imagine 是动词，意为“想像”，后面常接名
词、动词的ing形式，或者构成句型“imagine
sb doing ...”意为“想像某人做……”。例如：
我无法想像没有电的生活。
I can’t imagine life without electricity.
在孩提时候，我想像成为一名画家。
I imagined becoming a painter in my
childhood.选择最佳答案填空。
( )1. Can you imagine ____ using your feet to
control a mouse?
A. use B. using C. used D. to using
根据中文意思完成句子。
2. 你这么饿，我能想像到你吃晚饭的样子。
You are so hungry. I can ____ ____ ____
dinner.imagine you havingBPractice19. ... and the new cars made loud noises and
frightened them. ……(P52)
这些新汽车发出很大的噪音，让他们感到
害怕。
(1) make loud noises 制造很大的噪音
(2) frighten 是动词，意为“使惊恐；使害
怕”，后面常接名词或代词。例如：
突如其来的噪音吓了我一跳。
The sudden noise frightened me.frighten 的形容词有两个：
frightened 受惊的；害怕的
常用来修饰表示人的名词常用句型有：
be frightened of ... 害怕……
be frightened to do ... 害怕做……
frightening 令人恐惧的；引起惊恐的
常用来修饰表示事物的名词。例如：
我怕狗。
I am frightened of dogs.
那恐怖的声音是从那间旧房子传来的。
The frightening voice was from the old house.用英文翻译下列句子。
1.这只大狗吓到了那个小女孩。
____________________________________
选用frightened或frightening填空。
2. What are you ________ of?
3. Don’t speak to me in a ________ way! The big dog frightened the little girl.frighteningfrightenedPracticePart IV Post-Reading1946, ENIAC,
the first computer1981, IBM, the first PCNow, laptops, tabletsThe computerTalk about the invention of the computer using the information below.Talk about the computerThe computer is perhaps the greatest invention of the 20th century.In …, …After its invention, …Since then, …Before the invention of …, …With …, people …Today, …Can you imagine life without computers?Useful words/expressions:
invent develop
be able to have to
across the world
allow … to do …
keep in touch with The computer…D3 Can you name any other great inventions? Why do you think they are great? Discuss these with your classmates.DiscussionPart V Reviewn. 广告
adj. 滑稽的；好笑的
v. 创造；创作
n. 电话；电话机
n. 车轮；轮子
adj. 使人舒服的；舒适的
n. (旧时载客的)四轮马车
n. 世纪
n. 乘客；旅客
v. 发明；创造 Dictationadvertisement
funny
create
telephone
wheel
comfortable
carriage
century
passenger
inventadj. 有用的；适用的
prep. 从…以后；自…以来
n. 距离；间距
n. 移动电话；手机
adv. 在任何时候；随便什么时候
v. 开发；研制
n. 灯
n. 蜡烛
n. 白天；日间practical
since
distance
mobile phone
anytime
develop
lamp
candle
daytimesince then
keep in touch with
in the daytime
live a better life
in history
in the early 19th century
at the start of
each other
millions of
across the world
allow sb to do sth
make loud noises自那以来
与……保持联系
在白天
过更好的生活
在历史上
19世纪初
在……开始的时候
互相；彼此
大量的；数以百万计的
世界各地
允许某人做某事
制造很大的噪音Exercises一、根据句意和所给首字母写出所缺单词。
1. Cai Lun i______ paper around 2,000 years ago in
China.
2. The cartoon was so f_____ that it made all of us
laugh happily.
3. It’s said that God c_____ the heaven and the earth in
the beginning.
4. Mark Twain is one of the most famous writers in the
nineteenth c_____.
5. Jane has lived in Guangzhou s_____ she left the
college.nventedunnyreatedenturyince二、根据句意和所给出的中文提示写出所缺单词。
1. ______________(广告) give us information about products.
2. Though our house is very small, it is
______________(舒服的).
3. I don’t think it is a good idea. It doesn’t sound _________(适用的).
4. The bus is full of ___________(乘客).
5. In the past, people usually used _______(蜡烛) to light up the house.Advertisementscomfortablepracticalpassengerscandles三、选择正确的答案。
( ) 1. ____ the Sun, nothing would grow.
A. With B. Without C. Under D. In
( ) 2. He hurried down to help us ____ across the river.
A. get B. to getting C. getting D. got
( ) 3. There was a big Moon and ____ stars were
shining overhead.
A. hundred B. hundred of
C. one hundreds of D. hundreds of
( ) 4. There’s only one seat so you’ll ____ sit on my
lap.
A. must B. have to C. need D. may
( ) 5. Since then, Michael ____ an unhappy life.
A. live B. lives C. lived D. has livedBADBDThank you!课件17张PPT。Unit 4 InventionsSpeaking1234目录Lead-inWhile-LearningPost-LearningWhile-LearningPart I Lead-in英语语调主要有降调、升调和平调三大类。
不同的语调可以表示说话人不同的态度和不
同的隐含意思。1. 用于一般疑问句(Yes/No question)
Do you understand? ↗
Can you repeat it? ↗
Is it correct? ↗
注意：一般疑问句有时也可用降调，表示一
种不耐烦的口气，或表示命令等。
Are you satisfied? ↘
Will you take off your hat, please? ↘Rising Tone 升调2. 用于罗列中的最后一项之前的各项
For each incomplete sentence, there are four
choices marked A↗, B↗, C↗, and D. ↘
We study Chinese ↗, History ↗, Geography ↗,
and English. ↘
3. 用于陈述句，表示疑问、怀疑、未定、猜测
或期待等
You really want to do it? ↗
She might have gone. ↗
I think so. ↗Part II While-LearningCan I ask you some questions?
Do you remember what we learnt yesterday?
Do you know the comparative form of the word “far”?
Can you repeat that?
Is this correct? A Talk timeWendy: I'm going to talk about an important invention.
We use it almost every day. Can you guess what
it is? ↗
Tony: Can I ask you some questions? ↗
Wendy: Sure. You can ask 5 Yes/ No questions.
Tony: OK. Do we have it in the classroom? ↗
Wendy: Yes.
Tony: Do I have it in my school bag? ↗
Wendy: Yes.
Tony: Is it a pen? ↗
Wendy: Yes, you are right.A1 Read the conversation below and practise it in
pairs. Make your voice rise at the end of the Yes / No
questions.A2 In pairs, make a conversation like one in A1. Try to make your voice rise correctly. Talk about the things below.Do you often use them?
Which is the most useful invention to you and
your family?
Why do you think so?
What do you or your family use it for?
How often do you use it?
Can you do without it? B Speak upWhat inventions do you and your family
often use in your daily life?In pairs, talk about one of the everyday inventions below or a choice of your own. Use the following questions to help you. Follow the example.What is the most useful invention to you and your family?
What do you use it for?
How often do you use it?
Can you do without it?S1: The computer is the most useful invention to
me and my family.
S2: Why is that?
S1: My dad uses it for his job. My mum uses it to
buy clothes. And my sister uses it to write
emails to her friends.
S2: What do you use it for?
S1: I use it for my studies. At the weekend, I also
use it to watch films. What's the most useful
invention to you and your family?
S2: The mobile phone. I use it to…Part IV Post-Learning1. How often do you do sports?
2. I use my computer for my studies. What do you use your computer for?
3. I think the mobile phone is the most useful invention to me. What is the most useful invention to you and your family?
4. I’m going to talk about an important invention. What’s the topic of your speech?
5. I spend 2 hours on my homework. How long does it take you to do your homework?根据你的实际情况，回答下列问题。Thank you!课件63张PPT。Unit 4 InventionsVocabulary目录NotesWords and expressions12Part I
Words and expressionsadvertisement
funny
createn. 广告 p.49
adj. 滑稽的；好笑的 p.49
v. 创造；创作 p.49New words
Getting readytelephone
wheel
comfortable
carriage
century
passenger
inventn. 电话；电话机 p.50
n. 车轮；轮子 p.50
adj. 使人舒服的；舒适的 p.51
n. (旧时载客的)四轮马车 p.51
n. 世纪 p.51
n. 乘客；旅客 p.51
v. 发明；创造 p.51Readingpractical
since
distance
mobile phone
anytime
develop
lamp
candle
daytimeadj. 有用的；适用的 p.51
prep. 从…以后；自…以来 p.51
n. 距离；间距 p.51
n. 移动电话；手机 p.51
adv. 在任何时候；
随便什么时候 p.51
v. 开发；研制 p.51
n. 灯 p.51
n. 蜡烛 p.51
n. 白天；日间 p.51dustn. 灰尘；尘土 p.54special
wing
introduction
instead of
petroladj. 特殊的；特别的 p.60
n. 翅膀；机翼 p.60
n. 引言 p.60
prep. 代替；
作为…的替换 p.60
n. 汽油 p.60ListeningWritingsince then
keep in touch with
in the daytime
keep…off
at the same time自那以来 p.51
与……保持联系 p.51
在白天 p.51
使……不接近 p.54
同时 p.54Phrases短 语 收 藏 夹（Reading）
带*的是学过的短语since then
keep in touch with
in the daytime
*live a better life
*in history
*in the early 19th
century自那以来 p.51
与……保持联系 p.51
在白天 p.51
过更好的生活
在历史上
19世纪初*at the start of
*each other
*millions of
*across the world
*allow sb to do sth
*make loud noises在……开始的时候
互相；彼此
大量的；数以百万计的
世界各地
允许某人做某事
制造很大的噪音keep…off
at the same time使……不接近 p.54
同时 p.54短 语 收 藏 夹（Listening）短 语 收 藏 夹（Writing）*solar power
*top speed
*in a shorter time
*on land
*turn into
*instead of
*in the future太阳能
最高速度
在较短时间内
在陆地上
变成
代替
在未来*instead of 代替
*right now 现在；目前
*work as 从事……工作
*all the time 一直；总是
*make a mess 弄得一团糟
*at the tip of 在……的尖端
*refer to 指的是；涉及短 语 收 藏 夹（More practice）Part II Notes1. advertisement n. 广告
put an advertisement in a paper
在报纸上打一个广告
advertise v. 为……做广告
我们已经登广告找人管理花园了。
We have advertised for someone to look after the garden.
我在电视里看到一个巧克力的广告。
I saw an advertisement on TV for chocolate.Notes (Reading)2. funny adj. 滑稽的；好笑的
fun n. 乐趣
have great fun =enjoy oneself 过得愉快，开心
我的老师喜欢讲那些很好笑的笑话。
My teacher likes to tell some funny jokes.
我们在沙滩上玩的很开心。
We have great fun on the beach.3. create v. 创造；创作
creation n. 创作，作品
creative adj. 有创造力的
在这部电影里，他创造了一个很有趣的人。
He created a very funny man in this film.
你相信上帝创造世界的说法吗？
Do you believe that God created the world?4. telephone n. 电话；电话机
on the telephone 与某人通电话
make a telephone call 打电话
telephone number 电话号码
电话是一个很伟大的发明。 它使我们的世
界变小了。
Telephone is a great invention. It makes our
world smaller.
电话响了——你接一下行吗？
The telephone is ringing—can you answer it?5. wheel n. 车轮；轮子
汽车有四个轮子。
There are four wheels in the car.
谁知道车轮的历史？
Who knows the history of wheel?6. They help people live a better life.
它们帮助人们过上更好的生活。
live a good/rich/poor life
过好的/富裕的/贫穷的生活
我觉得老虎在森林里能生活得更好。
I think tigers can live a better life in the forest.7. The following are three of the most important
inventions in history.
下面是历史上最重要的发明中的三项。
following 在本句中作名词， 要与定冠词the连
用 ，意为“下列；下述”，单复数同形。其作主
语时，如果指单数或不可数名词，谓语动词用单
数形式；如果指复数，谓语动词则用复数形式。
例如：
全文如下。
The following is the full text.
以下是纽约的一些名胜。
The following are some places of interest in
New York.【拓展】
following 也可作形容词使用，意为“接着的；
下列的” 与定冠词the 连用，修饰后面的名
词。例如：
第二年，他加入了共产党。
The following year, he joined the Communist
Party.
你能回答下列问题吗？
Can you answer the following questions?选择最佳答案填空。
( ) 1. You have spoken for two hours. The following
____ not enough for Mr Li.
A. be B. are C. is D. am
( ) 2. These questions are easy, but the following
____ a little more difficult. Try to work them out.
A. be B. are C. is D. am
根据中文意思完成句子。
3. 下面这些哪个是正确的？
Which of ______ ______ ______ correct?
4. 请把下列句子翻译成英语。
Please translate ______ ______ ______ into English.the following isCBthe following sentencesPractice(2) in history 在历史上
他将会作为史上最伟大作家之一而留名青史。
His?name?will?live?in?history?as?one?of?the?
greatest?writers?of?all?time.?8. After its invention, travelling became
faster and more comfortable.
在车轮发明之后，旅行变得更加迅捷、更
加舒适。
comfortable adj. 使人舒服的；舒适的
坐火车旅游比坐小车旅游要舒适点 。
Travelling by train is more comfortable than
by car.
我喜欢在舒适的床上睡觉。
I like sleeping in a comfortable bed.9. A few thousand years ago, people started
to use wheels on carriages.
几千年前，人们开始在马车上使用轮子。
carriage n. 四轮马车
以前人们乘坐四轮马车旅行。
In old days, people travelled by carriage.
你曾经见过马车吗？
Have you ever seen a carriage?10. In the early 19th century, the first trains
began to carry passengers.
在十九世纪初期，首批火车开始搭载乘客。
(1) century n. 世纪
in the early 19th century 19世纪初
in the mid-19th century 19世纪中叶
/in the middle of the 19th century
at the end of the 19th century 19世纪末
在21世纪，人们 用电脑很多。
In the 21st century , people use computers
a lot .(2) 序数词后面一般接单数名词表示次序，但
本句中的the first trains 是“the+序数词+复数
名词”的结构，表示“第……批……”，此时
是把复数名词看作一个整体。例如：
第一批学生；首批学生 the first students
第二批学生 the second students
【拓展】
“the first + few / 数词+复数名词”意为“最
初……；前……”。例如：
最初几天
前三天the first few daysthe first three days【随身练】用英语翻译下列短语。
1. 第一批书 _______________________
2. 前四分钟 _____________________
3. 最初几个星期 ___________________
根据中文意思完成句子。
4. 这些是今天上午的第五批游客。
These are _____ _____ _____ this morning.the first booksthe first four minutesthe first few weeksthe fifth visitorsPractice(3) passenger n. 乘客；旅客
当事故发生的时候， 有十个乘客在飞机上。
When the accident happened, there were 10
passengers on the plane.
那架飞机运载着200名旅客。
The plane was carrying 200 passengers.11. Alexander Graham Bell invented one of
the first practical telephones in 1876.
亚历山大·格拉汉姆·贝尔在1876年发明了
第一个实用的电话。
(1) invent v. 发明；创造
inventor 发明者，发明家
invention 发明
他喜欢发明生活中的有用的东西。
He likes inventing lots of useful things in daily life.
爱迪生是一个世界上伟大的发明家 。
Edison was a great inventor in the world.
电视机的发明使我们的生活丰富了很多。
The invention of TV set makes our life more colourful.(2) practical adj. 有用的；适用的
这机器很实用。 它可以帮我们多很多事情。
This machine is very practical. It can help us
do lots of things.
我不太会做实际工作。
I’m not a very practical person.
实际点吧， 我们没有很多钱。
Be practical, we don’t have much money.12. Since then, people have been able to speak
to each other over long distances.
自那以后，人们可以进行远距离通话了。
(1) since prep. 从……以后；自……以来
since then 自那以后
since then在句中作时间状语。句子中如果有
since then作状语时，句子的谓语动词一般要
用现在完成时，即“have / has + 动词的过去
分词”，表示那时所做的动作对现在还有影
响。例如：
自那以后，他发明了五件有用的东西。
Since then, he has invented five useful things.选择最佳答案填空。
( )1. Since then, great changes ____ place in
this town.
A. take B. will take
C. taken D. have taken
根据中文意思完成句子。
2. 自那以后，我们再也没见过彼此。
____ ____, we ____ never ____ each other
again. Since thenDhavemet
/seenPractice(2) distance n. 距离；间距
in the distance 在远处
飞机能在很短的时间内飞很长的距离。
Planes can cover a long distance in a short
time.
学校和你家之间的距离是多少？
What is the distance between your home and
school?
从我家到车站的距离很短。
It’s a short distance from my house to the
station.13. Today millions of people across the world
own mobile phones.
今天，遍及世界各地，数以万计的人有自
己的手机。
(1) millions of 大量的；数以百万计的
(2) across the world 世界各地
(3) mobile phone n. 移动电话；手机
用手机打电话是很方便的。
It is very convenient for us to make a call with
mobile phone.14. They allow people to keep in touch with
each other anytime, anywhere.
(1) allow sb to do sth 允许某人做某事
(2) keep in touch with 与……保持联系
当你不在家的时候要与家里保持联系。
Keep in touch with family when you are away
from home.
我如何与你保持联系呢？
How can I keep in touch with you?(3) anytime adv. 在任何时候；随便什么时候
你随时都可以来这里的。
You can come here anytime you like.
随便你什么时候来拜访我们都欢迎。
You are welcome to visit us anytime.15. Thomas Edison developed the first
practical light bulb in 1879.
托马斯·爱迪生在1879年发明了第一个实用
的灯泡。
develop v. 开发；研制
development n. 发展
developed countries 发达国家
developing countries 发展中国家
这公司在几年内已经发展成一个大公司了。
The company has developed into a big one in a
few years.16. Before the invention of the light bulb,
people had to use oil lamps, gas lamps or
candles to see at night.
在发明灯泡之前,人们为了在晚上能看得见，
不得不使用油灯、汽油灯或蜡烛。
(1) lamp n. 灯
turn on the lamp 开灯
turn off the lamp 关灯
灯能够在黑夜里给我们光明。
Lamp can give us light in the night.(2) candle n. 蜡烛
商店里有很多不同的蜡烛。
There are many different candles in this shop.
他把蜡烛放在生日蛋糕上。
He put the candles on the birthday cake.17. With light bulbs, people can do as many
things in the evenings as they can in the
daytime.
有了电灯，人们可以在晚上像白天一样做
很多事情。
(1) with是介词，意为“有；带有”，反义词
为without。例如：
带着微笑
with a smile(2) daytime n. 白天；日间
in the daytime 在白天
at night 在晚上
in the night 在晚上
in the morning 在早上
in the evening 在晚上
in the afternoon 在下午
我愿意白天学习晚上出去。
I prefer to study in the daytime and go out in
the evening.18. Can you imagine living without them?
你能想像没有它们的生活吗？
imagine 是动词，意为“想像”，后面常接名
词、动词的ing形式，或者构成句型“imagine
sb doing ...”意为“想像某人做……”。例如：
我无法想像没有电的生活。
I can’t imagine life without electricity.
在孩提时候，我想像成为一名画家。
I imagined becoming a painter in my
childhood.选择最佳答案填空。
( )1. Can you imagine ____ using your feet to
control a mouse?
A. use B. using C. used D. to using
根据中文意思完成句子。
2. 你这么饿，我能想像到你吃晚饭的样子。
You are so hungry. I can ____ ____ ____
dinner.imagine you havingBPractice19. ... and the new cars made loud noises and
frightened them. ……(P52)
这些新汽车发出很大的噪音，让他们感到
害怕。
(1) make loud noises 制造很大的噪音
(2) frighten 是动词，意为“使惊恐；使害
怕”，后面常接名词或代词。例如：
突如其来的噪音吓了我一跳。
The sudden noise frightened me.frighten 的形容词有两个：
frightened 受惊的；害怕的
常用来修饰表示人的名词常用句型有：
be frightened of ... 害怕……
be frightened to do ... 害怕做……
frightening 令人恐惧的；引起惊恐的
常用来修饰表示事物的名词。例如：
我怕狗。
I am frightened of dogs.
那恐怖的声音是从那间旧房子传来的。
The frightening voice was from the old house.用英文翻译下列句子。
1.这只大狗吓到了那个小女孩。
____________________________________
选用frightened或frightening填空。
2. What are you ________ of?
3. Don’t speak to me in a ________ way! The big dog frightened the little girl.frighteningfrightenedPractice1. keep off 使……不接近
请把脚从沙发上移开，那样不礼貌。
Please keep your feet off the sofa, it’s not
polite.
勿踏草地。
Keep off the grass.Notes (Listening)2. dust n. 灰尘；尘土
dustbin 垃圾箱
dust用作动词意思是“掸去灰尘”。后接粉
状物质时,还可表示“把…撒在…上”。 dust
用作及物动词时,接名词、代词作宾语。
镜子被蒙上了灰尘。
The mirror is covered with dust.
我们必须每天掸去灰尘。
We have to dust every day.3. at the same time 同时
我不能同时听你们两个人一起说话。请一
个一个说。
I cannot listen to both of you at the same
time. Please talk one after another.
我们今天早上同时到学校。
We arrived at school at the same time.1. special adj. 特殊的；特别的
specially adv. 特别；尤其
specialist n. 专家
对我来说那是一个特殊的日子。
It is a special day for me .
他是一个很特别的人。
He is a special man .
今天有什么特价菜吗？
What is special today?Notes (Writing)2. wing n. 翅膀；机翼
这只鸟的翅膀被打湿，所以现在它不能飞了。
The wings of the bird are wet , so it can’t fly
now.
飞机的左翼出了点问题。
There was something wrong with the plane’s
left wing.3. introduction n. 引言
introduce v. 介绍
这本书的引言很有趣。
The introduction of the this book is very
interesting.
让我介绍我的朋友大卫给你吧。
Let me introduce my friend, David, to you.
这本杂志里面有一篇关于姚明的介绍。
There is an introduction about Yaoming in
this magazine.4. It is fast, convenient and green!
它又快、又方便、又环保。
green 用作形容词时，常表示的意思是“绿色
的；(果实等)未成熟的”，而在本句中green意
为“环保的；有利于环保的”。例如：
这些西红柿没熟，不能摘。
The tomatoes are too green to pick.
人们应尽量采取更有利于保护环境的生活方式。
People should try to adopt a greener lifestyle. 将划线部分翻译成中文。
1. More and more people are interested in
green food.
2. The green fruit doesn’t taste good.
3. We should teach children to be green in
everything.绿色食品未成熟的水果环保的Practice5. instead of prep. 代替
李老师今天代替王老师给我们上数学课。
Mr Li gave us Maths class today instead of
Mr Wang.
我们应该使用布袋代替塑料袋去购物。
We should use cloth bags instead of plastic
bags for shopping .
这款车用电代替了汽油。
This car uses electricity instead of gas.6. petrol n. 汽油
汽油在我们的日常生活中很重要，没有它我
们就启动不了车子。
Petrol is very important in our daily life.
Without it , we can’t start our cars.
汽油快要耗尽了。
The petrol is running out.
今年汽油价格很高。
The price of petrol is very high this year.1. However, he had to refill it all the time.
不过，他总是要（用墨水）重新装满它。
refill 是动词，意为“重新装满”，由前缀re-加词根fill 构成。前缀re-意为“再次；重新”，常加在动词和名词的前面。例如：
reread“重读”，resale“转售”。
all the time 意为“一直；总是”。例如：
我会一直帮助你。
I’ll help you all the time.Notes (More practice)【辨析】all the time与always
all the time 是副词性短语，意为“一直；总是”，表
示自某个特定阶段开始，一直到结束，不表示频
率，常位于句末。
always 是频度副词，意为“总是”，表示动作的反
复、状态的持续，中间没有间断，其反义词是
never；与进行时连用时，常带有不满、赞美等感情
色彩。例如：
孩子们一直在唱歌。
Children are singing all the time.
他总是起床很早。
He always gets up early.将下列单词翻译成英语。
1. 重建
2. 重新开始
3. 重写
4. 重新制作
选择最佳答案填空。
( )5. If you are famous, people will watch you ____
and follow you everywhere.
A. all the time B. by the time
C. on time D. at timesrebuildrestartrewriteremakeAPractice2. ... and it sometimes made a mess on the
paper. ……它有时把纸弄得一团糟。
mess 在此句中是名词，意为“杂乱；混乱”，常用冠词a 修饰，构成的短语有：
in a mess 乱成一团；乱糟糟的
make a mess 弄得一团糟
make a mess of
把……（计划、工作等）弄得一团糟 例如：
我儿子的房间总是乱糟糟的。
My son’s room is always in a mess. Thank you!课件30张PPT。Unit 4 InventionsWriting12345目录ReviewPre-LearningWhile-LearningPost-LearningReviewPart I ReviewLife without …RevisionPart II Pre-LearningLet’s learn the new words and expressions.special
wing
introduction
instead of
petroladj. 特殊的；特别的 p.60
n. 翅膀；机翼 p.60
n. 引言 p.60
prep. 代替；
作为…的替换 p.60
n. 汽油 p.60New words短 语 收 藏 夹（Writing）*solar power
*top speed
*in a shorter time
*on land
*turn into
*instead of
*in the future太阳能
最高速度
在较短时间内
在陆地上
变成
代替
在未来1. special adj. 特殊的；特别的
specially adv. 特别；尤其
specialist n. 专家
对我来说那是一个特殊的日子。
It is a special day for me .
他是一个很特别的人。
He is a special man .
今天有什么特价菜吗？
What is special today?Notes (Writing)2. wing n. 翅膀；机翼
这只鸟的翅膀被打湿，所以现在它不能飞了。
The wings of the bird are wet , so it can’t fly
now.
飞机的左翼出了点问题。
There was something wrong with the plane’s
left wing.3. introduction n. 引言
introduce v. 介绍
这本书的引言很有趣。
The introduction of the this book is very
interesting.
让我介绍我的朋友大卫给你吧。
Let me introduce my friend, David, to you.
这本杂志里面有一篇关于姚明的介绍。
There is an introduction about Yaoming in
this magazine.4. It is fast, convenient and green!
它又快、又方便、又环保。
green 用作形容词时，常表示的意思是“绿色
的；(果实等)未成熟的”，而在本句中green意
为“环保的；有利于环保的”。例如：
这些西红柿没熟，不能摘。
The tomatoes are too green to pick.
人们应尽量采取更有利于保护环境的生活方式。
People should try to adopt a greener lifestyle. 将划线部分翻译成中文。
1. More and more people are interested in
green food.
2. The green fruit doesn’t taste good.
3. We should teach children to be green in
everything.绿色食品未成熟的水果环保的Practice5. instead of prep. 代替
李老师今天代替王老师给我们上数学课。
Mr Li gave us Maths class today instead of
Mr Wang.
我们应该使用布袋代替塑料袋去购物。
We should use cloth bags instead of plastic
bags for shopping .
这款车用电代替了汽油。
This car uses electricity instead of gas.6. petrol n. 汽油
汽油在我们的日常生活中很重要，没有它我
们就启动不了车子。
Petrol is very important in our daily life.
Without it , we can’t start our cars.
汽油快要耗尽了。
The petrol is running out.
今年汽油价格很高。
The price of petrol is very high this year.Part III While-LearningWritingA flying car
A student has designed a flying car. What do you want to know about this new invention?How fast is the flying car?How many wheels does it have?How do we fly it?Read the body of the article about the flying car to see if you get the answers to your questions.How fast is it?How many wheels does it have?How do we fly it?What kind of power does it use?A You are going to create a new invention. Use a
spidergram to help you make plans for this invention.My inventionLook at the example: sum up the main idea of each part.3 parts
1st: Introduction: What it is?
2nd: Body: What does it look like?
What is special about it?
How does it work?
3rd: Closing
Introduction
Why I want to invent itB Now write a short article about your invention. Use the example below to help you.Part IV Post-Learning假如你们学校要把获奖的小发明进行展
览，请你根据下表中的内容提示写一个
小发明的英文介绍放在该展品旁。
词数：100 左右，标题和开头已给出，
不计入总词数。 Homework?correcting Machine
This homework?correcting machine was invented by
Wu Qiang. It is green and convenient.
It is a small robot without feet, but it has two hands. It also has a square body. Instead of batteries, it uses solar power. The ink is endless. It is connected to are mote control. The remote control has two buttons. One is a tick“√”, and the other is a cross “x”. If the teacher presses the button“√”, the robot will put a “√” on the paper with its right hand. If he/she presses the button “x”, it will put a “x”.
With this robot, it is more convenient for teachers to
correct students’ homework.Part V Reviewspecial
wing
introduction
instead of
petrol
*solar power
*top speed
*in a shorter time
*on land
*turn into
*instead of
*in the future 特殊的；特别的
翅膀；机翼
引言
代替；作为…的替换
汽油
太阳能
最高速度
在较短时间内
在陆地上
变成
代替
在未来Dictation1. 最重要的是，保持房间整洁！
Most importantly, _____ the room _____ !
2. 如果想要远离赘肉，你应该健身。
If you want to _____ _____ the weight, you should keep fit.
3. 我看见两个男孩同时站起来。
I saw two boys standing up _____ _____ _____ _____.keep tidykeep offat the same timeExercisesThank you!
