仁爱版九年级英语上册Unit4 Topic1 When was it invented课件（共72张PPT）

课件72张PPT。Unit 4 Amazing Science Topic 1 When was it invented ?Section A is spoken byShe speaks Chinese. is spoken by He speaks English.EnglishEnglish.Hehim.ChineseChinese.Sheher. 被动语态(Passive Voice ) be + done 主动语态： 主语 + 动词 + 宾语
被动语态： 主语 + be + 过去分词 + by + 宾语
Many people use computers.Computers _____ ________
by _______ _________.The workers plant trees in the garden.Trees _____ _______ in the
garden ____ the workers.are usedmany peopleare plantedbyCan you try ？Exercise 1. Trees __________ (water) in our school every
three days.
2. The zoo ___________ (visit) by lots of children
on weekends.
3. A Journey to West ________ (show) on CCTV
every summer.
4.On Christmas Day, children wake up early
and can’t wait ______ (open) the boxes of
presents.
5. We’ll have a chance _____ (see) the flower
show this weekend.
to openis shownare wateredto seeis visitedbe made of 由某种物质做成(看得出原材料，物理过程)
be made from 由某种物质制成(看不出原材料，化学过程)
be made up of 由几部分组成
be made in 在某地/某时制造
be made by 由某人制造
be made into 被制成12Language points聚焦一般过去时的被动语态
结构:助动词(was/were)+及物动词的过去分词
1.肯定句式 ：主语+was /were+v.-ed
2.否定句式 ：主语+was/were + not+v.-ed
3.一般疑问句式： Was /Were+主语+vt.-ed
4.特殊疑问句式：疑问词W/H+was/were+主语+v.-ed
E.g. An e-mail was sent to her friend by Jane yesterday.
An e-mail wasn’t sent to her friend by Jane yesterday.
Was an e-mail sent to her friend by Jane yesterday?
Who was the e-mail sent to by Jane yesterday?Let’s sum up together.聚焦一般过去时的被动语态
结构:助动词(was/were)+及物动词的过去分词
1.肯定句式 ：主语+was /were+v.-ed
The door was opened.
门被打开了。
2.否定句式 ：主语+was/were + not+v.-ed
The door was not opened.
门没被打开。
3.一般疑问句式： Was /Were+主语+vt.-ed
4.特殊疑问句式：疑问词W/H+was/were+主语+v.-ed1 be allowed to do sth.被允许做某事,
allow sb. to do sth.允许某人做某事；
allow doing sth.允许做某事。
e.g. She allowed me to go fishing.
她允许我去钓鱼。
We don’t allow smoking in the reading room.
我们不允许在阅览室吸烟。
2 too much既是形容词短语，也是副词短语，所以它既可修饰名词也可修饰动词。
e.g. too much water； eat too much
太多的水 吃得太多.
另外注意too much后接的是不可数名词；
too many +可数名词复数；
much too常用在形容词或副词之前修饰形容词或副词。e.g.much too long 太长，much too fast 太快3 show v. 给……看。show sth. to sb. = show sb. sth.
把某物给某人看。
e.g. Can you show your new watch to me? =
Can you show me your new watch?
你能把新手表给我看看吗？
show sb. around... 带领某人参观。
e.g.Welcome to my city. I’ll show you around some places of interest.
欢迎来我市，我将带你参观一些名胜古迹。
show n. 展览、展示,on show 展出。
e.g.There is a TV play on show on CCTV-1.
在中央一台有一部电视剧在播放。4 be made of/from 由……制成。
be made of (看得出原材料)；
be made from (看不出原材料)。
e.g. The desk is made of wood.
桌子是由木材制成的。
Paper is made from wood.
纸是由木材制成的。
be made in 在……制造。
e.g. The watch is made in Shanghai.
手表是在上海制造的。
be made by sb. 由某人制造。
e.g. The model plane was made by my father.
飞机模型是我爸爸做的。5 be used for 被用来做……。
e.g. Pens are used for writing.
钢笔被用来写字。这种结构也可以变成be used to do sth.。类似的结构还有:be used as被用作；be used by被谁所用。
e.g. English is used as a foreign language in China.
英语在中国被当做外语。
Computers are used by some people as toys.
电脑被有些人当玩具用。
be used后还可以跟不定式。
e.g. This machine can be used to study English.
这种机器可用来学习英语。6 wish(希望)后面接that从句常用虚拟语气。本句表达康康的主观臆想，不一定能实现，像这种表示主观愿望和假想的语气叫虚拟语气。当表示现在的愿望，从句中谓语动词用过去式；当表示将来的愿望，从句中动词用could/would加动词原形。
e.g. I wish that I didn’t have to go to work today.
我希望今天不用上班。
I wish I could have my own house.
我希望我能拥有自己的房子。7 come true 变成真的，实现。come这里起到连系动词的作用。go也有类似用法。
e.g. The fish has gone bad.
这鱼已经变坏了。Change the following sentences.
1.My mother allows me to use her cellphone.(改为被动语态)
I _____ ______ _____ use my mother’s cellphone.
2.A rocket is used for launching satellites and spaceships.
(就画线部分提问)
____ ___ a rocket ___ ___?
3.The digital camera was invented in 1975. (就划线部分提问)
____ ____ the digital camera _______ ?
4. Maybe he is an inventor. (改为同义句)
He ____ ____ an inventor.
am allowed to What isused forWhen was inventedmay be ExercisesSummaryWe learn: 1.Some words: lock, rocket, metal, satellite,
spaceship
2. Some phrases: be made of, be used of,
some day, come true
3. Some sentences:
(1) I wish I could go into space some day.
(2) I hope your dream will come true.
(3) -What is a rocket used for?
-It’s used for sending satellites or
spaceships into space.
We can: Use the passive voice.
( )1.The laptop _____ in Japan in 1985. It is used for studying.
A.is developed B.was developed C.developed D.develops
( )2.Now more and more man-made satellites are _____ by humans.
A.sent for B.send up C.sent up D.sent into
( )3.I was made _____ this or that while working as a waiter in this hotel.
A.do B. doing C.to do D.didBCCUnit 4 Amazing Science Topic 1 When was it invented? Section B( )1.He ___play computer games unless he finished his
homework.
A. was allowed to B. was not allowed to C. allow to
( )2.We all know that paper ___wood.
A. is made of B. is made into C. is made from
( )3.This kind of machine ___in 2006.
A. is invented B. is made C. was invented
( )4.A(An)___is used for taking photos.
A .Camera B. Lift C. MP3 player
( )5 .We should spend more time ___because it’s too
important.
A .to learn English B. learning English C. in EnglishBCCABI. Choose the right answer. You can do it.ReviewII. Fill in the blanks with the right preposition.
1.The desk is made _____ wood.
2.The red wine is made _____ grapes.
3.This delicious cake was made ___my mother.
4.Glasses are made ___ glass.
5.Our group is made up ___ four students.
6.That kind of machine is made _____Japan.offromofofbyinReviewinvent /America/in 1946A: Where were computers invented?
B: They were invented in America.
A: When were computers invented?
B: They were invented in 1946. Look and talk about the picture.MP3 player
1998
Korea
listen to musicmobile phone
1973
America
communicate easilydigital camera
1975
America
take photosA: Where were …invented?
B: They were invented in ….
A: When were … invented?
B: They were invented in ….A:What’s this ?
B:It’s …
A:When was it invented ?
B: It was invented in …
A: Who invented it ?
B:…
1a Look, listen and say.When was it invented?
Who invented it?Look, a light bulb!In 1897,
Thomas Edison.In 1895 in 1903 in 1879Can you match them?1c Read 1a and complete the table.radioairplaneThomas
EdisonWilbur and
Orville Wright187918951 It’s said that...
据说……，听说……
it是形式主语，真正主语是that引导的从句。
e.g. It is said that you have sent him three letters.
据说你已经给他发了三封信。类似的结构还有
It’s reported that...据报道……。
e.g. It’s reported that China will send up Shenzhou Ⅷ into space in a few years.
据报道中国几年后将向太空发射神舟八号。2 during one’s life
某人一生，相当于in one’s life。
e.g. Lei Feng did a lot of good things during his life.
雷锋在他一生中做了许多好事。
3 go this way
走这边，相当于take/come this way。
4 4 be different from 与…不同
My pen is different from you.
我的笔和你的不同。A: What are these ?
B:…
A: When were they produced first ?
B:…
A: What were they made of ?
B:…Do you know?2 Fill in the blanks with the proper forms of the given words. The first jeans were produced in 1855. At that time, they ___________(not call ) jeans and they were just hard-wearing pants designed for workers. The pants _____________ (make ) of the brown cloth. This kind of cloth ______ usually ________(use) for making tents. Nowadays, their materials have been changed so that it feels more comfortable. And many different jeans styles _______ also ________(create). They ___________( design) not only for workers but also for teenagers and women. Later jeans are popular all over the world. were not calledwere madewasusedarecreatedare designed4a Read the following words. Listen and check the vowels. rocket cotton hospital model
satellite camera laptop plastic
The light bulb is w______ used by people everywhere.
Thomas Edison i_______ the light bulb in 1879.
It’s s______ that he invented more than two thousand things during his life.
The airplane was invented by Wilbur and Orville Wright in 1903. It’s d______ from today’s. ExercisesidelynventedaidifferentWe learn: 1.Some words: bulb, airplane, hard-wearing,
Korea
2. Some phrases: be used by, more
than, be different from
3. Some sentences:
It’s said that he invented more than two
thousand things during his life.
We can: 1.Use the simple past passive voice:
Do you know when it was invented?
It was invented in 1879.
2.Talk about the inventors of some great inventions.
Summary( )4.After hearing the funny joke, my father can’t help _____.
A.laugh B.laughing C.to laugh D.laughs
( )5.—My parents don’t allow me _____ computer games at school.
—That’s right. They are bad for your study.
A.play B.plays C.playing D.to play
( )6.We find it _____ to do some reading every day.
A.easily B.enjoy C.helpful D.interestedBDCUnit 4 Amazing Science Topic 1 When was it invented ? Section C invention
crayon
thought
silly
brainstorm
evaluate
redesign
detailed愚蠢的，傻的
发明，创造
彩色铅笔
想法，看法，主意
集思广益，动脑筋
重新设计
估值，评价，评估
详细的Match the words with their meanings.1 come about出现，发生e.g. How did this dangerous situation come about?
这样危险的局面是怎样出现的？
2 solve a problem解决一个问题。solve的宾语多为problem, answer的宾语多为question。
3 no one和none都表示否定，但用法有所不同，它们的区别是：
a. no one用来指人，含有not even one（连一个人也没有）之意，其后不能接of短语。用作主语时，谓语动词要用单数。
e.g. No one knew who took the book by mistake.
没有人知道谁误拿了这本书。
No one likes a person with bad manners.
谁也不喜欢不讲礼貌的人。b. none不仅指人也可指物，其后常接of短语，构成“none of+名词/代词”结构。当名词是复数时，谓语动词单复数均可。e.g. None of the houses has/have a large garden in some big cities.
在一些大城里，没有一幢房子带有大花园。注意：
—How many people are there in your classroom now?
现在你班里有多少人？
—None.
没有人。
—Who is in your classroom now?
谁现在在教室里？
—No one.
没有人。4 Inventing is interesting
发明是有趣的。此处inventing是动名词作主语，动名词作主语。谓语动词用单数形式。
5 in the invention process
在发明过程中。balloon gunrobotkeyboardDiscuss1.What are the top 3 most important inventions? Why ?
2.Which is the least important invention ?Why?2 Discuss with your partner which of the followings are the top 3 most important inventions and which is the least important invention. Then explain your choice to the class. Example:
I think zero is the most important invention. It is said that it was invented by an Indian. It is a very interesting number. For example, I have only ten yuan. If you add five zeros after it for me, haha, I will be a rich man. My invention is a robot. It is called “Superman”. There is a computer inside its body. It looks like a tiger. When you see it for the first time, you may be frightened. In fact, it is gentle and polite. It can help us do housework, such as cleaning a room, washing dishes, and making the bed. When the room is dirty, it will begin to work at once. It can also watch over a house instead of humans. It is careful, clever and hard-working. In short, this robot is very useful to us, though it can’t run or speak. You can write it like this:i________ n. the creation of something in the mind; the act of inventing
c________ n. a rod(棒） of colored wax（蜡） used for drawing
t________ n. an idea that you have in your mind
s________ adj.foolish
b________n. small thin inflatable(可充气的） rubber bag with narrow neck
g________ n. a weapon（武器） from which bullets（子弹） or other things are fired
r________ n. a machine that can move automatically（自动地）
k________ n. the set of keys that you press in order to operate it Complete the following words according to their first letters and meanings.nventionrayonhoughtillyalloonunoboteyboard1.People used the light bulbs widely in the past. (改为被动语态）
The light bulbs ______ ______ _______ by people in the
past.
2. We can launch spaceships to explore other planets. (改为被动语态）
Spaceships ______ ____ _________to explore other planets.
3. Gore Verbiniski directed the movie Pirates of the Caribean in America . (对划线部分提问）
_______ ______ Gore Verbiniski ________ the movie Pirates of the Caribbean?
4. The MP3 player was developed around 1998. (对划线部分提问)
________ ________ the MP3 player _______________?Exerciseswere widely used can be launchedWhere did directWhen wasdevelopedSummaryWe learn : 1.Some words: invention, crayon, thought,
silly, balloon, gun, robot, keyboard
2.Some phrases: laugh at，come come out，
the result of …， none of …
3. Some sentences:
Inventing is interesting and exciting and everyone
can be an inventor .
We can : 1. Talk about the process of an invention.
2. Write a passage about an invention. ( )7.—When will his new novel _____?
—Sorry. I don’t know.
A.come in B.come from C.come out D.come back
( )8.The report shows we have dreamed _____ exploring space for thousands of years.
A.in B.on C.of D.to
( )9. He didn’t pass the exam because he _____by his teacher at all in the past.
A.encouraged B.wasn’t encouraged
C.isn’t encouraged D.weren’t encouraged
( )10.It’s _____ that Edison invented more than two thousand things in his life.
A.said B.marked C.listed D.toldCCBAUnit 4 Amazing Science Topic 1 When was it invented ?Section DWhat’s it used for?
It’s used for listening to music.
What’s it made of?
It’s made of plastic.
Where was it invented?
It was invented in Korea.
When was it invented?
It was invented in 1998.What’s it used for?
It’s used for communicating easily.
What’s it made of?
It’s made of plastic and metal.
Where was it invented?
It was invented in America.
When was it invented?
It was invented in 1973.What method did you use to find your lost cellphone?GPS is like a man-made star. We can use it at any time, in any place and in any weather to find out our position. The early explorers used the stars as landmarks to know where they were and in which direction they were going. This method worked well at night as long as the weather was good. But it didn’t
work so well during the rest of the time.Let’s use the GPS.n.探险者，
勘探者
1 explore
探索
Explorer
探险家
2 find out
找出，查明
3 as long as
只要
4 the shape of
…的形状Key wordsexplore
explorer, mark
find out, in…direction
work well, as long as
the rest of the time
solve, like, use, the shape of
great inventionn.标示，记号，符号
v.做记号，做标记Retell it !Grammar Passive Voice (Ⅱ)The radio was invented by Guglielmo Marconi
in 1895.When was the digital camera developed ?
Where was it developed?
What is a rocket used for?It was developed in the 1970s.
It was developed in Japan.
It is used for sending satellites or spaceships into space. Functions Passive voice was /were +done
( ) 1. A big supermarket _____in our city last year.
A. is built B. were built C. was built
( ) 2.Could you tell me who the radio ____ by?
A. invents B. invented C. was invented
( ) 3. Many trees and flowers _____ in our school last year.
They made our school more beautiful.
A. have planted B. were planted C. planted
( ) 4.The children ____ swim last month and they can swim
very well now.
A. are taught B. were taught C. were taught to
( ) 5.It is said that potato chips _____by mistake about one
hundred years ago.
A. were invented B. invented C. are invented
CBCACGrammar exercise
1.You are late, all the tickets __________(sell) out an hour ago.
2.This type of cellphone ____________(make )in Shenzhen.
3. I _________________ ( not invite) to yesterday’s party.
4. ________ those machines __________(check) this morning?
5. Many trees and flowers ______________(plant) in our school last year, and they made our school a beautiful garden. were soldwere madewere/was　+　v.的过去分词Exerciseswasn’t invitedWerecheckedwere planted
( ) 1.Hurry up, you ____ on the phone.
A. Wanted B. was wanted C. are wanted
( ) 2. Some stories _____the children by the teacher
everyday.
A. is told for B. are told for C. are told to
( ) 3._____that he has studied abroad for five years.
A. It is said B. It says C. That is said
( ) 4.The window ____ five minutes ago.
A. is cleaned B. was cleaned C. can be cleaned
( ) 5.The children ______by the teachers at school.
A. take care of B. are taken care
C. are taken care of
C CABCChoose the best answer.( ) 6. I have no idea what ______while I was asleep.
A. happened B. was happened C. happens
( ) 7. In some countries, tea _____before meals.
A. is serving B. is served C. served
( ) 8. This kind of books ______well.
A. doesn’t sell B. isn’t selling C. aren’t sold.
( ) 9. I ______ten minutes to decide which sentence was
right by the teacher.
A. gave B. was given C. was giving
( ) 10. Teachers ______in every part of the world.
A. are needing B. are needed C. will need
ABABBPractice makes perfect.
1.People use radios to learn English in the past.
_____________________________________________
2.Jack will show me the photo.
______________________________________________
3.They have raised much money for the Project Hope.
______________________________________________
4.I often hear Mary sing English songs at home.
_______________________________________________
5.We mustn’t throw litter about.
________________________________________________
6.People can visit planets like Mars.
_________________________________________________
Radios were used to learn English in the past.The photo will be shown to me. Much money has been raised for the Project Hope.Mary is often heard to sing English songs at home.Litter mustn’t be thrown about.Planets like Mars can be visited.Change the following sentences into Passive Voice.We Learn: 1. Some words : mark, explorer
2. Some phrases: find out, in …, direction,
as long as, work well, the rest of the time,
be used to, the shape of
3. Some sentences:
This method worked well at night as long
as the weather was good and the stars could be seen.
We can: 1. Use the passive voice of the simple past tense more
properly.
2.Talk about new technology GPS.
3. Develope our imagination and creativity by
designing our own inventions.SummaryThank you