仁爱丨八年级英语上册Unit 4 第四单元 复习指导

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 Unit 4     Our  World

Topic 1    Plants and animals are important to us.

一、词的形式变换及短语。

A. 词的形式

1.  写出下列不规则名词的复数 

sheep--              

goose--

child--               

foot--

mouse--              

tooth--

Chinese--                

Japanese--

Englishman--             

Frenchwoman--

policeman--               

man--

woman--                  

fish---

2. 根据要求写出下列词的形式。

fox(复数)--               

beauty(形容词)--

above(反义词)--        

fat(反义词)--

sea(同音词)---            

drop(过去式)--

hole(同音词)--            

dig(现在分词)--

wolf(复数)--              

bamboo(复数)--

control(过去式)--         

beauty(复数)--

B. 翻译并记住下列短语。

share...with...               

feed on

thousands of                

infact

make up                   

on earth

fill...with...                 

bein danger

beimportant to              

think about

every drop of water          

lessand less

fewer and fewer            

in thesouth of

both... and...               

living things

many different kinds of      

plenty of

on the earth                 

be necessaryfor sb/sth.

   二、重难点句型翻译。

1. 它们给我们乐趣。______________________

2. 我们和动物分享同一个世界。_____________

3. 水对动植物都是必要的。_________________

4. 没有水动植物根本就不能生存。____________

5. 请把坑用泥土填好。_____________________

6. 熊猫靠竹子生存。_______________________

7. 空气对人很重要。Air _____________ ____people.

8. 乡村的天更蓝,水更清澈。

  Theair ___ _______and the water_____ ________in the countryside.

9. 我要去昆明度寒假。

  Iwill ____ ___ _______  ____my winterholiday.

10. 我要去我的家乡欣赏大自然的美。

   I shall go to my hometown to _____ ____ ________ ____nature.

11. 动、植物你较喜欢哪一样?   _____ do you _____ _______,plants or animals?

12. 我较喜欢植物。I _____ plants_______.

13.众所周知,它们俩对我们都很重要。

  ____ ___ _____,they are _____ _________ ____us.

14. 我们的世界将像什么样?

   What ___  our world _ _______?

15. 我们必须节约每一滴水。

 we  must______every ____ ___water.

16. 地球上的水越来越少。

  The water ___ ____ ______is_____ ____ _.

17. 将会有越来越少的树。

  There ___ ___ _____ _____ _______trees.

三、知识点积累

1. think about ,think of,  think over 的区别。

2. give sb. joy/ happiness/pleasure

3. 比较级前可以用_________________even,far 等词来修饰。

4. fill...with... 与 be full of

5.  cover...with....与 be covered with

6. 世界上仅有的事物前常用定冠词the ,例如

7. over 与 more than

8. make up

9. on earth, on the earth ,in the world

10. be important to sb/sth.  be important for sb./sth.

    It's important for sb. to do sth.

11. less,fewer 和 more

四、重点语法

 A. 形容词、副词比较级与最高级的构成

 fresh--         --             

few--         --      

 long--         --              

green--       --

 nice--         ---             

 cute--        --   

 late--          --             

 brave--       -- 

  lazy--        --               

ugly--        --

 healthy-        -               

busy--        --

 thin--          --               

big--         --

 hot--          --               

wet--         --      

 beautiful---                 -----

 dangerous---                -----

 interesting----               ---- 

 important-----               -----

 careful----                  -----

 active----                    ----

 necessary---                  ----

B. 比较级和最高级的用法

 1.  Mikeis active. John is _____________ (active).

 2. Which of your parents is ____________(young)?

 3. Which book is ______________(interesting),thisone or that     

   one?

 4.  Heis ______________(lazy) in our class.

 5.  TheChangjiang River is ____________(long) in China.

 6.  Heis _________(fat) of all.

 7. Shanghai is one of ___________(big) cities in the world.

 8. There are ________(many) trees in our hometown than in this

    place.

 9.  Thissong is _______(good) than that one, but it is ___________(difficult) to sing.

 10.  Ithink cats are __________(lovely) than dogs.

2  Are you sure there are UFOs?

一、词的形式及短语

A. 词的形式

science(表示人的词)________  

repair(同义词)______________

real(副词)_________________  

useful(反义词)_____________

dictionary(复数)____________  

press(三单)________________

wake(过去式)______________  

write(过去式)_____________

B. 词组及短语

take the place of               

mistake...for...

call for                       

wake up

for example                   

spend..on...

look up                       

pay attention to

begin with                    

write to

plug in                       

be sure of

instead of                     

lose one's job

fly over                     

look like

come out of                   

in alphabetical order

give a try                     

with the help of

download games              

surf the Internet

in 20 years                    

walk toward

begin with                    

start with

二、重点句型

1. 你一定要回来早一点。You ___________ ____ _______back early.

2. 你可以告诉我一些关于你自己的情况吗?

Could you tell me________ _____________________?

3. 科学家们在1921年发明了第一个机器人。

Scientists________ ___ _______robot in 1921。

4. 在那之前,类似机器人的东西出现了。

Before that, something_________ ____________________.

机器人在某些场合能代替人类做艰难或乏味的工作。

Robots can _____ ______ ___humans______hard or ______ work in some situations.

它们也能带替人类做许多危险的工作。

They can do lots of dangerous work __________ _______.

你肯定吗?_________________________?

我肯定机器人能比人类做得更快更好。

I am sure that robots can do ____ and _____than _______.

8. 机器人将会使人类失去工作。

Robots will _____humans_____ ______ _____.

9. 机器人不支付报酬就能干活。

Robots can ____ _______ ______.

10.机器人比人类能干更加难的工作。

Robots can do ____ ______ ______than______.

11.A UFO flew over my head while I waswalking towards the bus stop yesterday.

12. 我不敢肯定.____________________

13.甚至科学家们也不敢肯定是否有UFOs.

Even scientists ______ ______ ______thereare UFOs.

其它星球上没有生物。

There ___ ___ _____ ______ on otherplanets.

三,知识要点

sure的用法

adv, 当然,的确(对别人征求意见或请求做事的回答)

adj.确信的,有把握的,肯定的。

be sure to do sth.

be sure of sth.

be sure + that clause

be sure + wh-clause

例,Be sure to come early tomorrow.

I am sure to win.

Are you sure of that?

I am sure that your team will beat them.

I am not sure whether there are UFOs.

He is not sure where they will go thiswinter holiday.

Are you sure you can pass the exam? 

Yes, Iam sure.

No, I’m not sure.

2. take the place of ,instead of 的区别。

前者是短语动词,在句中作谓语;后者是短语介词,放在句末,后接名词、动名词、代词。

Miss Liu is ill. She can’t give us lessons.Mr.Zhang __________________of her.

He went mountain climbing __________goingswimming.

make sb.do sth.使某人做某事

Robots will make people lose their jobs.

use sth. to do sth. = use sth for doing sth

 Weuse robots to clean the room.=We use robots___ _____ __ _____.

pay attention to 的to 是介词,后面接名词、代词、动名词。

You should pay attention to spelling.

You should pay attention to keeping yourclassroom clean.

pay的用法

作名词时是“工资,报酬”的意思;作动词时是“付款,赔偿”的意思。例,

The boy works for the old man without pay.

If you lost the other people’s things, youshould pay for them.

He paid 50 yuan for the dictionary.

job 和 work的区别

job是可数名词,可只零时的工作,也可指长期的工作;work是不可数名词,是工作的广泛概念,此外,Work还有“著作,作品”的意思。Work还可作动词。

His _____ is to teach English.

I found a part-time _____.

It’s not easy for college students to find_______.

He ______ as a gate guard in that school.

He loves reading Chairman Mao’s ______.

whether 与 if 的区别

 whether ,if 都可以引导宾语从句,意思是“是否”,但句末有or not 时只能用whether不能用if;  whether 可引导主语从句,if 不能;if 可引导条件状语从句,whether不能。

_______he will go or not has’t beendecided.

I am not sure ________there are UFOs.

Jim doesn’t know______  his father will agree or not.

____ you have any questions, you can ask meat any time.

9, happen 与 take place的区别。

happen表示意外“发生”主语是accident,  flood, fire, earthquake, drought 等。 take place是指按计划的“发生”。

What ______ to you yesterday?

A big drought________in Southwest Chinalast year.

Great changes______________in my hometownin recent years.

此外,happen还有“碰巧”的意思,常用于sb.happen to do sth.

  Ihappened to find a wallet on the playground the day before yesterday.

四、语法要点(略)

 3 The builders used live models, didn’t they?

重点词组及短语

  regard…as..                  

 livemodels

  more than                  

  pull  down

  heavy traffic                 

 beworn out

  take the underground         

  the Summer Palace

   bemade up of               

   according to

  from then on                

   millions of

  Forbidden City             

  order sb. to do sth.

  Long ago                    

  join…together

  the ancient China            

  the ancient Egyptians

  around 2560 B.C              

  inthe center of

重点语法

反义疑问句。反义疑问句由“陈述句、祈使句、感叹句+ 一个简短的一般疑问句”构成。当前半部分的陈述句为肯定句时,后半部分的系动词、情态动词、助动词后加not 而且要用缩写。前半部分为否定句,后半部分的的系动词、情态动词、助动词后不加not; 但大家特别要注意的是一些含有否定意义的词如hardly, seldom, little, few, never, nothing,nobody 等的句子也是否定句。

He does’t like English,________?

You got up early,________?

There is little water in thebottle,_________?

He had nothing to eat then,__________?

She never speaks English inclass,_________?

He used to smoke,_________?

They will go to Kunming forholidays,________?

He must be back in a week,_________?

Nobody is in the classroom,___________?

You’d better hand in yourhomeworknow,_________?

另外,要注意一些特殊的情况,

Let’s 开头的祈使句,后半部分用shallwe?

其它动词开头的祈使句(包括let us..),后半部分用will you?

I …开头的,后半部分主语仍用I.

I think/believe + 宾语从句的句型,后面的疑问句与从句的主语一致。

动名词、不定式作主语时看着第三人称单数。

前半部分是感叹句时,后半部分疑问句的主语和前半部分的主语一致。

Let’s go and play basketball,_______?

Don’t make a noise, ______ ?

I am a teacher,________?

I like sanwiches,__________?

I don’t think he likes English,________?

Let us help you,________?

Swimming is good for our health,_________?

What a cold day,__________?

How beautiful these flowersare,___________?

重点句型

 1,It takes sb. some time. to do sth.某人花了多少时间做某事。it形式主语,真正的主语是不定式短语。这个句型可以转换为sb.spends some time (in) doing sth.

It took him half an year to learn to drivea car.

He _____ half an hour in ______to drive acar.

2,order sb.to do sth.命令某人做某事,类似order用法的词有ask, tell, warn ,like, want, would like, invite等。不定式的否定式在to前加not。例,

The cruel teacher ordered the students todrop to their knees.

The leaders warned the students not to go outat night.

Parents always ask their children to obeythe school rules.

3, try to do sth.尽力做某事,和try 有类似用法的动词还有want,like,need,agree,plan,start,begin,forget,  do one’s best, tryone’s best等。例,

我们要尽最大努力学好英语。

We will ___ _____ _____ ___ _____ Englishwell.

4, have fun doing sth. 做某事获得乐趣。

After school, they have fun _______(play)basketball.

5,find great pleasurein doing sth. 做某事找到乐趣。

 Theyfind great pleasure in _______(visit) the Great Wall.

6, 长城是世界最伟大的奇观之一。

  The Great Wall is ____ __ ____ ______ _______of the world.

7, 龙是中华民族的象征。

  Dragons are the _______ ___ ________ ______.

8, 大金字塔是古代世界七大奇观之一。

  The Great Pyramid is ___ __ ___ _______ ________

   ofthe ancient world.

9, 许多人相信那儿有金银财宝。

   Alot of people believe _____ ____ ____ ____ ________there.

10, 在北京过去曾有许多旧的城墙。

 There _____ ___ __ _____ ____old city walls in Beijing.

11, 教室里仅仅剩下几个学生了。

  Only __ ____ ___ ___ in the classroom now.

12,  “到达“的表示

get home/here/there         arrive home/here/there

reach home/here/there       get to school

arrive at school             arrive in Beijing

reach school

13, both…and…连接主语时看作第三人称复数。

Both Jim and Ann ______(like) Chinese.

14, 长、宽、高、重的表达

   20公里长  _____________________

   30米宽    _____________________

  2000米高  _____________________

  2.5 吨重   _____________________

   5米深    _______________________


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