课件18张PPT。Grammar Unit 4Look at the sentences:1.With the light bulds, people can do as many things in the evening as they can in the daytime.
2.After the invention of the wheel, travelling became faster and more comfortable.
3.The wheel is perhaps the greatest invention in history.
原级最高级比较级形容词比较级和最高级规则变化1. great — — few — —
2. wide — — nice — —
3. big — — fat — —
4. happy — — heavy — —
5. difficult — — beautiful — — 单音节形容词的比较级和最高级形式是在词尾加 -er 和 -est 以 -e 结尾的单音节形容词的比较级和最高级是在词尾加 -r 和 -st 以一个辅音字母结尾其前面的元音字母发短元音的形容词的比较级
和最高级是双写该辅音字母然后再加-er和-est 以 -y 结尾,但 -y 前是辅音字母的形容词的比较级和最高级是把 -y 改i ，再加-er 和-est 双音节和多音节形容词的比较级和最高级需用more 和 most 加在形容词前面 greatergreatestfewestfewer原级------比较级------最高级?
??? good/(well)------
??? many/much------ bad/(badly/ill)------ little --------------
far--
? 形容词前如加 less 和 least 则表示"较不"和"最不"
??? important (重要）--- less important（较不重要） --- least important 最不重要（最不重要）? 形容词比较级和最高级不规则变化：better------bestmore------mostworse------worstless------ leastfarther/further---farthest/furthest形容词比较级和最高级用法：1. 原级（同级）比较：as…as…; not as(so)…as…
We’ll give you as much help as we can.
She isn’t as(so)good at sports as before.
2.比较级：表示两者之间比…… 更……可用状语much, a little, even等修饰：
He made fewer mistakes than I did.
He is even richer than I.
3. 高级：形容词最高级前必须加the, 副词最高级前常省略the，后面多用of……， in……短语表示范围：
It was the most/least interesting story .
He is the tallest of the three.Look at the school report:Read A aloud and finish A1两者三者或三者以上got a better markPaul got a better mark in Science than Martin.Alice got a worse mark in Science than Eric.got a worse markgot the best markDaisy got the best mark in Science.A2：Look at the map and answerA2：Look and answer两者两者三者或三者以上三者或三者以上as…as…否定not as/so… as… (Read and work out the rule)manymuchLook and Finish B1 :is as high asis not as deep asare not as wide asLook and Finish B2:throw away as much asthrow away as muchasasas don’t throw away as muchdon’t throw away as manyMore exercises:(原级）( ) 1. This box is___ that one. ??? A. heavy than B. so heavy than ??? C. heavier as D. as heavy as
( ) 2. When we speak to people, we should be ______ . ??? A. as polite as possible B. as polite as possibly ??? C. as politely as possible D. as politely as possibly
( ) 3. This book is____ that one, but____ than that one.
??? A. as difficult as; expensive ??? B. as more difficult as; more expensive ??? C. as difficult as; more expensive ??? D. more difficult as; as expensive
( ) 4. I think the story is not so ___ as that one. ??? A. interesting B. interested
C. more interesting D. most interesting DACA( )1. I think science is ____ than Japanese. ??? A. much important B. important
C. much more important D. more much important
( ) 2 This pencil is___ than that one.
??? A. longest B. long C. longer D. as long
( ) 3 My mother is no ___ young.
??? A. shorter B. longer C. little D. few
( ) 4 These children are ____ this year than they were last year.
??? A. more tall B. more taller C. very taller D. much taller
( ) 5 It was very hot yesterday, but it is___ today.
??? A. even hotter B. more hotter
??? C. much more hot D. much hot
More exercises:（比较级）CCBDA( ) 6. Which do you like ___, tea or coffee?
??? A. well B. better C. best D. most
( ) 7. This work is ____ for me than for you.
??? A. difficult??? B. most difficult???
C. much difficult?? D. more difficult
( ) 8. Which do you think tastes _, the chicken or the fish?
??? A. good B. better C. best D. well
( ) 9. The Great Pyramid is about 137 metres high today, but it was once________.
??? A. higher B. highest C. high too D. more high
( ) 10. Mrs Black has got____ instead of getting any better.
A.more bad B. a little worse
C. much badly D. a lot of worseDBBABMore exercises:(最高级）（ ）1. Tom is one of ____ boys in our class.
A. tallest B. taller C. the tallest D. the tall
（ ） 2. English is one of____ spoken in the world.
A. the important languages B. the most important languages
C. most important language D. the most important language
（ ） 3. Beijing is one of____ in China.
A. the largest city r B. the large cities
C. the larger cities D. the largest cities
（ ） 4 The tree is ___ in the garden.
A. the taller B. the tallest C. taller than of all D. tall.
（ ） 5. Which language is____, English, French or Japanese?
A. easy B. the most easy C. the easiest D. much more easy
（ ） 6.Which is____interesting, science, maths or English?
A. more B. the most C. very D. tooCBDBCB1. great —greater—greatest few —fewer—fewest
2. wide —wider—widest nice —nicer — nicest
3. big — bigger—biggest fat —fatter — fattest
4. happy —happier —happiestheavy —heavier —heaviest
5. difficult —more difficult — most difficult
beautiful —more beautiful —most beautiful 形容词比较级和最高级规则变化课件11张PPT。Listening: Funny inventions Unit 4Revise funny inventions:Talking about the pictures:umbrellabranchheavy telephoneFront and behind glassesListening A:Clever umbrellasBranchesExercise’sTwo-wayListening B:Language point:1.make…more beautiful
使...更漂亮（make...+adj/V)
2.keep…off...
keep…warm/clean
keep...+ adj
3.talk more/less
4.at the same time
5.more clearly
clear— — clearly — —
quick— — quickly — —
happy— — happily — —
使...不接近使...保持温暖/干净多/少谈话同时比较清楚Exercises for listening:完成句子：
1.我们应该使我们的学校更漂亮。
We should ______ our school ______ ________.
2.我们要使小孩远离火。
We must _____ the children______ the fire .
3.我们要多做，少说。
We should do _____ and talk _______.
4.我们不能一心两用。
We can’t do two things ____ _____ ______ ______.
makemore beautifulkeep offmore lessat the same timeSpeaking A: Rising intonation升调一般疑问句——升调：
Are there any apples on the table? 升调的规则：1.一般疑问句——升调：Are there any apples on the table? ↗ 回答——降调：Yes, there are. ↘ / No, there aren’t. ↘
2.反义疑问句——可升可降，比较肯定，或表达自己看法用降调，不肯定，表示询问，征求意见用升调。 He doesn‘t know her, does he? ↗ (可用升调，不太肯定他是不是认识她。） They are coming, aren’t they? ↘(可用降调，你认为他们基本上还是会来的。）
3.选择问句——前升最后降：Are we going by bike ↗, bus ↗, or taxi? ↘(bike, bus 升，taxi降）
4.祈使句——可升可降，
表示命令、不客气，语气强硬用降调：Don't take any chance.↘
表示勉励、态度和蔼亲切或客气的请求，用升调：Cheer up. ↗
5.列举多项事实时，前几项用升调，最后一项用降调：
I like English ↗ ，maths ↗, Chinese ↗ and PE. ↘Read and practise:Read the conversation in pairs:（B册第56页）(pay attention to the rising intonation)课件18张PPT。More practice and culture corner Unit 4Revise the inventions:Can you say these inventions?Who invented four greatest Chinese inventions?paperprintinggunpowdercompass黄帝蔡伦毕昇古代炼丹家A ballpoint pen(圆珠笔）Who invented it?Biro (a pen giant)Fast reading : T/F1. Everyone may have biro’s invention in his right hand.
2. Biro was born in 1899 and died in 1985.
3. Biro invented the “ballpoint” pen by himself in the 1930s.
4. The ballpoint pen was successful because it was very nice.
5. The people from all over the world use the word “biro” refer to any ballpoint pen.FFTFFRead again and answer:His brother helped him develop a special ink.Because he wanted a better pen.The tiny ball at the tip of the pen rolled ink onto paper as it moved.People use the word “biro” to refer to any kind of ballpoint pen.Language points:1.maybe
probably
2. right now
3. in the 1930s
4. work as ...
5. refill= fill … again
retell = tell...again 可能（位于句首）或许/大概（位于句中此时此刻（=now/at this time)在二十世纪三十年代任...职重新填满重述/复述6. However 与 but
辨析 however和 but
二者都意为“可是，但是”； but是并列名词，连接两个并列分句：
I really don't like cheese, but I will try just a little this time.我实在是不喜欢吃奶酪，但是这次我要尝一点。 however不能直接连接两个分句，必须另起新句，并用逗号隔开。 It was raining hard. However, we went out to look for the boy. 雨下得很大，不过我们还是出去寻找那个孩子7. make a mess
8. be a great success
9. remember…for...
9. English-speaking countries
Chinese-speaking countries
10. refer to ...弄脏/乱=be very successful因为...记住某人，记得…的… 讲英语的国家描述讲汉语的国家Read and fill in the table:KongmingZhugeliangIn 1876During the time
of Three KingdomsOn important days and
during festivals.In battles Complete the sentences:1.他此时此刻想起了他的父母。
He thinks of his parents ______ _____.
2.他爸爸在一间中学做教师。
His father ______ ______a teacher in a school.
3.我叔叔出生在二十世纪五十年代。
My uncle was born ___ ____ _____.
4.很多人将永远记得乔布斯的苹果手机。
Many people will __________ Jobs______his iphones.
5.中国是一个讲汉语的国家。
China is a _________________ country.right nowworks as in the 1950sremember forChinese-speakingFind out about Chinese inventions黄帝蔡伦毕昇古代炼丹家Choose one greatest Chinese invention and discuss:Complete the table :Read the example article and write another short one :The invention of …Paragraph 1: Introduction
Paragraph 2: The history of the invention
Paragraph 3: The importance of this invention in today’s world
Paragraph 4: The invention and you
课件45张PPT。Reading: Great inventions Unit 4Who invented these inventions?Seismograph (地动仪）
['saizm?ɡrɑ:f] Light buld(灯泡）They were great inventorsZhang HengThomas EdisonZhang Heng invented Seismograph . Thomas Edison invented the light buld.Inventions are everywhere!paperprintinggunpowdercompassCan you say these inventions?What do these inventions help us do？find information/play gamestravel fastmake carstalk easilyFinish the exercises in A 1:paperlight buldtrainwheeltelephonecomputerPre-readingThe wheel/telephone
/light bulb.The telephone. Because it helps people keep in
touch with each other anytime, anywhere.New words:Advertisement
[?d'v?:tism?nt]
fun n. funny adj.They have fun.The picture is funny.Create v. → creation n. (创造）telephone mobile phone['m?ubail] wheel [hwi:l] comfortable ['k?mf?t?bl] adj.This bed is very comfortable.carriage ['k?rid?] passenger ['p?sind??] century ['sent??ri] = a hundred yearspractical ['pr?ktik?l] The knife is very practical.distance ['dist?ns] develop [di'vel?p] The scientist is developing a new kind of drink.lamp [l?mp] candle ['k?ndl] nightdaytimein the daytimeat night 伟大的发明伟大的发明改变了世界
_____ _____ change the world.
它们帮助人们过更好的生活
They help people ____ _____ _____ ____.
下面是历史上三个最重要的发明。
The following are three of ____ ____ ____ inventions in history. 车轮车轮可能是历史上最伟大的发明。
The ____ is perhaps the _____ invention in history.
在它发明以后，旅行变得更快更舒适
After its invention, travelling became ______and _____ _____.
几千年以前，人们开始在马车上使用车轮
A few ____ years ago, people started to ____ wheels on _____.
在19世纪早期，第一批火车开始载运旅客
_____ ____ ____ ____ _____, the first trains began to carry _______.在20世纪初期，小汽车开始盛行起来。
___ ____ ___ ___ the 20th century, cars ____ popular.
没有车轮，我们不会有这些发明
_____ the ____, we would not have these _____. 电话亚历山大.格雷姆.贝尔在1876年发明了第一批实用电话中的一个。
Alexander.Graham.Bell invented ___ ___ ____ ____ _____ _____ in 1876.
从那时起，人们就能够彼此进行长距离的谈话。
____ _____, people have been able to speak to each other over long _____.今天，全世界数以百万计的人拥有移动电话
Today, ____ ____ ____ across the world own ____ _____.
它们可以使人们在任何时间，任何地点保持彼此联系
They allow people to ____ ___ ____ ___ each other anytime, anywhere. 电灯泡托马斯.爱迪生在1879年发明了第一个实用电灯泡。
Thomas.Edison _____ the first practical _____ _____ in 1879.
在电灯泡发明以前，人们在晚上使用油灯，煤气灯或蜡烛看东西。
Before the invention of the light bulb, people ____ ____ use _____ ____, ____ _____ or _____ to see at night.随着电灯泡的发明，人们可以像在白天一样在晚上做许多事情。
With light bulb, people can do as many things ____ _____ _____ as they can ____ ____ ____.
你能想象出没有它们的生活吗？
Can you imagine living without them?1.电话响了，你接一下好吗？
2.我喜欢在舒适的床上睡觉
3.在19世纪早期
4.那辆飞机运载着200名旅客
5.我不太会做实际的工作
6.从我家到车站的距离很短
7.发达国家：
8. 发展中国家
9.天黑了，我把灯打开
10.我愿意白天学习晚上出去Finish the vocabulary exercises:comfortablecenturydeveloppassengerdaytimeC2 exercises:centurycomfortablepassengerdaytimeanytimeFirst reading:Don’t knowAlexander
Graham BelThomas
EdisonA few thousand
years agoIn 1876In 1879fastermore comfortablekeep in touch withdo as many thingsSecond readingPeople invented wheels a few thousand years ago.
People used wheels to make carriages, trains and cars at the same time.
Before the invention of telephone, people can speak to each other very far.
People can use mobile phone to talk about each other anytime, anywhere.
After the invention of the light buld, our life becomes more convenient(方便的）。TFTTFThird reading:1. What inventions would we not have without the wheels in Paragragh one?
2.How many people own mobile phones all over the world today?
How did people see at night before the invention of the light buld?Carriages , trains and cars.With oil/ gas lamps, or candles.Millions of people.Discussion: My favourite invention1. Which invention do you like best of the three in the passage? Why?
2. Who invented it? When?
3.How did it help people?
4. What can’t we do without it?Write your favourite invention My favourite invention
My favourite invention is _________ because___________________ .
_____invented it _______________.
It hepled people____________________. We can’t_______________Without it.Language point:Part 1:
1.perhaps/maybe may be
maybe= perhaps 副词“可能，也许，大概” 一般放句首
perhaps的可能性比maybe大。perhaps 是英国英语;maybe 是美国英语
may be 情态动词+动词原形 “可能是”
2.after/before the invention of在...发明之前/之后3.become faster and more comfortable
4.a few thousand years
=thousands of years（几千年）
5.in the early/late 19th century
at the start/beginning of the 20th century
(in the 1990s/1880s)
6.without 反义 with
没有笔我们不能写。We can’t write _____pens.变得更好、更舒适（形容词的比较级）在十九世纪早/晚期在二十世纪初在...世纪...年代介词 （没有/ 有）part 2: 7.practise (v) ; practice(n) ; practical(adj)
练习/实践（动词）（名词） 有用的（形容词）
8.since then
9. long distances
10.across the world
=all over the world
11.allow …to…自那以来长途世界各地允许...做...12.keep in touch with
13.each other 与 one another
each other 相互（指两者之间）
one another 相互，彼此（三者或三者以上之间）
14.anytime anywhere
anyone/anybody
与...保持联系副词（任何时间、任何地方）代词（任何人）part 3:15.use…to do sth
= use ...for sth 用...做...
16. in the daytime
反义 at night
17.as many things as they can
as many +可数名词复数形式+as...
as much +不可数名词 + as...
在白天尽可能多...Exs for reading:一、单词拼写：
1. The story is very f_______.
2. The great i_______ i______ many i__________ long long ago. (invent)
3. We can use the chair to sit or sleep,
so the chair is very p_______.
4. People can use mobile phone a_____.
5. A c_________ is a hundred years.unnynventornventednventionsracticalnytime/anywhereentury完成句子：
1.发明使我们的生活变得快捷舒适。
Inventions make our life become _____ and _____ _____________.
2.没有水，人无法生存。
People can’t live ________ _________.
3.汤姆经常和他的笔友们保持联系。
Tom often ______ _______ _______ _______his penfriends.
4.我们应该互相帮助，互相学习。
We should help and study ______ _________.
5.你做事最好要事半功倍。
You ________ ________ do _______ _________ things ____ you can with less time. faster morewithout waterKeeps in touch witheach otheras manyhad bettercomfortableas课件14张PPT。Speaking B & Writing Unit 4What is the most useful invention to you and your family?Why? （Watch/computer)What do you use it for/to do?
How often do you use it?
What can’t you do without it?I use my watch for/to study.I use it every day.I can’t know the time without it.Speak up:Writing: My inventionMy invention is clever umbrellas for shoes. It…….
My inventionWhat does it look like?How does it work?What is special about it?Keep the rain off your feet.Two small umbrellasUse the voice or
button to controlLook at the flying car:Spidergram(蜘蛛网图）A flying carRead fast and answer:1. What is your invention?
2. What does it look like?
3. What is special about it?
4. How does it work?
5. What will your invention help people do?Language point:1. a top speed of
2. in 30 seconds
3. as free as a bird
4. instead of
5. live a better life
6. in the future最高速度…在三十秒内像小鸟一样自由代替过上更好的生活将来Read again and find useful sentencesUseful sentences:My invention is ...
It has...
It can...
It can use...
My invention will help...
Write a short article about your invention:1. What is your invention?
2. What does it look like?
3. What is special about it?
4. How does it work?
5. What will your invention help people do?My invention__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
