2021年人教版英语八年级下册单元知识重点复习学案（四） Unit7-8（无答案）

人教版英语八年级下册单元重点复习学案（四）Unit7-8

课堂回顾：小测验

(    )1. Its raining outside, please don’t leave_______ it stops.

A. since    B. until      C. while     D. when 

(    )2. Boys and girls, calm down and focus on the test paper _______ you begin to think about the answers. 

     A. as soon as      B. while      C. as if      D. although 

(    )3. You can save money  _______ you buy cheaper things.

A. if      B. before     C. but     D. until 

(    )4. We will go to the square to watch the raising of the national flag_______ rains tomorrow.

      A. when      B. if       C.since        D. unless

 (    )5. You will be late for school_________ you don’t get up early

A.but      B. if      C.and       D. or 

(    )6. He has ________ much money _________he can build a big house.  .

A. such; that     B. so; that      C. such a; that     D.so a;  that 

(    )7.She worked so quietly _________ no one knew she was there.

  A. which      B.after      C. as       D.that 

(    )8. Please remind me _________that letter.

A. answer     B. to answer      C. answering      D. answered 

☆本讲课堂目标：复习、掌握八年级下册Unit7-8重要知识点

Unit 7 What’s the highest mountain in the world?

一、基本知识点

1. 表达事物的长，宽，高，深……?  sth. /sb. +be+数量+单位+形容词long, wide, tall, deep。 

 如，The river is 2 meters deep.  Qomolangma is 8,844.43 meters high.    

long---length (n. 长度)   wide---width (n.宽度)  deep---depth(n.深度)   high----height(n.高度)    

the length/depth/ width/height/size of sth. …的长度，深度，宽度，高度，面积 

问事物的高，深，宽，长…?  How high/ deep/tall/ wide/ long/  is ... ? 

How high is Qomolangma?    珠穆朗玛峰有多高？

2.  词性转换

succeed  v. 成功 succeed in doing sth.       He succeeded in finishing the work.    

success  n. ―成功,不可数，    Confidence is the key to success. 自信是成功的关键。

successful  adj. 成功的，       a successful businessman

successfully, adv 成功地        Finally I worked out the problem successfully.

3.The elephant weighs many times more than this panda. 这头大象的重量是这只熊猫的很多倍。
【解析1】weigh v  称……的重量 → weight n 重量
      例：She weighs herself every day and wants to lose weight.
【解析2】time 加”s”时作为可数名词，意为‘几倍或几次’

①      “是......的几倍”     主语 + 数词 + times + as +形容词+ as +比较的对象  

Our new school is four times as big as the old one.
     ②“次数” 一次 once  两次 twice   three times 三次  three or four times 三到四次
【短语】many times      last time   every time      each time    the first time      next time      

例题：（   ）We have two ears and one mouth so that we can listen _____ we speak.
     A. as twice much as       B. twice as much as   C. as much as twice       D. as much twice as
4. At birth, a baby panda is about up to 0.2 kilos.   刚出生的小熊猫幼崽至多约0.2公斤。
【解析1】

①        at birth 出生时  （用作时间状语）___________(出生时)， a baby panda is about 20cm long.
②give birth ( to sb/ sth) 动词词组,表示产生，生孩子的意思。 
  例：She gave birth to a fine healthy baby last month. 她上个月生了一个健康的宝宝。

③born adj.出生的，天生的 

固定搭配：be born + 形容词（名词）生来，天生......

be born + in, on等，表示"出生的时间，地点"

例：She was born beauty/beautiful. 她天生丽质。

Tom was born in Hebei Province on February 12，1999．
【解析2】

①      up to 高达up to +数量词  达到 （某数量、程度等）；至多   

例：I can take up to four people in my car.

②      Up to now直到 （现在）     例：Up to now ,Tony has been very quiet. 

③        be up to sb. “由某人决定”     例：— Shall we go out or stay in ?     — It’s up to you.
5.When the babies see the keepers, they run over with excitement and some of them even walk into their friends and fall down!  当熊猫幼崽们看到饲养员时便激动地跑了过来，有些甚至撞倒它们的伙伴，绊倒在地！
【解析1】excitement 激动；兴奋                
例题：（   ）Everyone was _______when they heard the ______ news.
       A．exciting，exciting    B．excited，exciting    C．exciting．excited
【解析2】fall down 跌倒fall down强调的是“滑倒、倒下”    如：The book fell down from the table to the floor. 
【短语】  fall down 倒下         fall over 落在...之上    

fall off 下降, 跌落    fall over摔倒、跌倒
例题：（   ）— What happened to Mare?       — He fell ____ the bike ___ a snowy morning.
             A.off; in     B.down; at    C.off; on 
6. The baby often die from illness and do not live very long.熊猫幼崽常死于疾病，并且活不久。
die  v.(表短暂动作) → be dead (表状态)    death  n.  → dead  adj.  → dying  adj. (将死的)
例题：①Lucy’s dog’s __________(die) yesterday. Its_______ made her sad.
(     )②He _____ for two years. We are still sad about his _____.
    A. died; dead              B. died; death  C. has been dead; dead     D. has been dead; death
(    )③The doctor ____a ___ boy yesterday.
     A. saved; dying  B. saved; dead  C. has saved; dead  
【拓展】  die from + 外因  “死于……”，主要指环境、事故等方面的外部原因。
       如：die from a traffic accident 死于交通事故
         die of + 内因     主要指疾病、衰老、情感等自身原因
      如：die of hunger/an illness 饿/病死      His grandfather died of liver cancer in 1992.
例题：(    ) He died ___ the traffic accident last week.
             A. of      B. from     C. with      D. for
      (    )— Do you know that Mr. Zhang passed ____ last week     — Yes. He died ____ illness.
            A. away; of     B. on ;from     C. by; with     D. off; as

7. But then humans started to cut down the forests, and there was less bamboo for the pandas.
  但是后来人类开始砍伐森林，导致可供熊猫吃的竹子越来越少。
【解析1】cut down 砍伐；砍倒  cut down 砍倒，减少，降低，缩短 The little boy cut down the young tree 
【拓展】与cut有关的短语
cut sth from sth 切下，割下  cut sth away 切除，剪去    cut up 切碎    cut off切断，停止
例题：

（  ）President Xi Jinping calls on Chinese people to ______ all the food each meal. 
        A. eat up    B. use up   C. pick up   D. cut up 
（  ） —Alice, could you help me         the meat? I want to make some dumplings for dinner.
     —OK. I’ll do it right away.   

A. put up          B. give up        C. use up           D. cut up
 

二、语法复习—形容词、副词的最高级用法

1. the+最高级+比较范围，形容词最高级前必须加定冠词the，如果是副词的最高级修饰动词则不用加the。

例句: Tom is the tallest student in the class.

Don't go Sun Hotel, it has the worst service in town.

Mary did best in the mid-term English test in my class.

2. 最高级一般总在这些词后，by far, far, much, mostly和almost。

例句: This hat is almost the biggest. 这帽子差不多是最大的了。

注意:very也可修饰最高级，但位置是放在the后。

例句: This is the very farthest. 这是最远的。

3. 最高级常跟在序数词后。

例句: Africa is the second largest continent. 非洲是第二大洲。

常用句型：

1. 含有in+ 比较的范围/of all的介词短语。

例句: My sister is the smartest in our family.

I can jump highest of all kids.

2. “one of the+形容词最高级+名词复数”结构，意为“在众多当中，最……之一”。

例句: Beijing is one of the busiest cities on the world.

3. 在句型“Who/Which…, A , B or C?”中, 当比较对象有三者或三者以上时，形容词用最高级。

例句: Which fruit do you like best, banana, apple or strawberry？

课堂练习

1. —Which city has _________population, Beijing, Guiyang or Xingyi?  —Beijing, of course.

A. the largest    B. the smallest    C. the most    D. the least

2. Shu-How Lin is now one of ________basketball players in the NBA.

A. popular     B. more popular     C. the most popular    D. the popularest

3. I work hard this term, but Peter works much         .

A. hard    B. harder    C. hardest    D. the hardest

4. Eighteen kids died in the school bus accident in Gansu. It's_____ one that I have ever heard of.

A. a very serious    B. a more serious    C. the most serious    D. the least serious

5.If there is ______ pollution, the air in our city will be dirtier.

A. less; more    B. more; much    C. less; less    D. more; more

6.The____ you work at your lessons, the ____results you will get.

A. hard; good     B. harder; good     C. hard; better     D. harder; better

7.The world’s population is growing ______, and there is ______ land and water for growing rice.

A. larger; less     B. larger; fewer     C.more; less     D.more; fewer

8. —Let’s go shopping at the new mall.    —Why not shop online? It’s        .

A. expensive     B. more expensive     C. less expensive     D. the most expensive

9. —A number of volunteers        willing to teach in China’s rural areas.

—Yes, the number is getting           .

A. is; bigger and bigger     B. are; bigger and bigger    

C. is; more and more       D. are more and more

10.This schoolbag is not the best. But the price of it is the          of the three.

A. lowest     B. biggest     C. highest     D. smallest

二、用括号内所给提示词的适当形式填空。

1). Which is _______ (big), the sun, the moon or the earth?

2) Which is ______ (beautiful), the black coat or the blue one?

3) Most of the students think a lion is much  ________(dangerous) than a bear and it is the __________ (dangerous) animal in the world.

4) Nowadays English is __________( important ) than any other subject, I think.

5) The Changjiang River is the _______ (long)   river in China.

6). He is one of the_________(friendly) people in the class, I think.

7). The ________ (much), the  ____________ (good).

8) Sue is a little ________  (beautiful) than her sister.

9).We should try to protect_________(danger) animals. 

10).Kathy is________(good) at playing soccer than me.

11).The boss always forces the workers_______(work) day and night.

12). He died on a _______(freeze)Friday morning.

13).There are a lot of fruits, ________(include)apples and bananas.

14).Some people left the village to look for better jobs, but the_______(remain) people built a new village then.

15).His cousin prepared_______(help) us cook the dinner.

Unit 8 Have you read Treasure Island yet?

一、基本知识点

1. be full       =  be filled _____ 充满…..

2. be due to do sth预定做某事

The team are due to fly to Italy next month.

3. hurry    n. 匆忙,急忙,急促   v. 催促,匆忙,赶快

用法：

① in a hurry  急忙、匆忙    You will make mistakes if you do things in a hurry.

②hurry up  赶快    Hurry up, the train is leaving in minutes.

③hurry to do sth   急忙、匆忙地做某事    She hurried to the airport this morning.

4. abroad 与 aboard 辨析

5. belong to属于，其中to为介词，后面只能跟名词或人称代词的宾格形式，不能接名词性物主代词或名词所有格

1) belong 不用于被动语态，也不用于进行时态。

The boy belongs to the singing group of Grade one.

2)belong to可与物主代词进行句型转换

These clothes belong to me =These clothes are mine.

6. break the record       打破记录

  hold/keep the record   保持记录

  make/set a record.     创造记录

7. introduce sb to sb把某人介绍/引见给某人         introduce myself 自我介绍

二、语法复习—现在完成时（一）

1) 现在完成时的定义：

（1）表示过去发生持续到现在或已经完成的动作对现在造成的影响或结果。

—It’s so dark. 太黑了。—Someone has turned off the light. 有人把灯关上了。

（2）表示从过去某一时间开始并一直持续到现在的动作或状态。常与since+过去的时间点，for+一段时间，so far等时间状语连用。

I have lived here for ten years.我已经住在这里10年了。（从10年前开始，持续到现在还住这儿）

I have lived here since 2003. 自从2003年我就住在这儿。（2003年开始，持续到现在还住这儿）

2) 现在完成时的构成及句式转换：

助动词 have/has + 过去分词

助动词

①I have finished my homework. (肯定句)

②I have not finished my homework. （否定句）

③—Have you finished your homework?

—Yes, I have. / No, I haven’t, （一般疑问句及肯定、否定回答）

3) 动词过去分词的变化规则：

①一般情况下加-ed；②以-e结尾的，加-d；③以辅音字母加y结尾的，变y为i加-ed；④重读闭音节单词，双写辅音字母加-ed。

4) 现在完成时的标志：

①常与just, already, yet, ever, never, before, so far等连用，强调动作的完成。

Have you ever been to Japan?

I have just finished my homework.

②for + 时间段；since + 过去的时间点；since + 段时间 ago；since + 一般过去时的句子。

They have known each other for five years.

Since he was a child, he has lived in England.

【补充】：already/ yet的区别：

already 往往用于肯定句；yet 用于否定句和疑问句。

例句：He has already left here. 他已经离开这里了。

      My teachers haven’t had breakfast yet. 我的老师们还没有吃早饭。

      Have you written to your parents yet? 

课堂练习

1. ---Have you written anything on Chinese traditional food so far? 

---_____, but I have a plan for it.

A. Ever since     B. Later on     C. Not yet       D. From now on

2. I’m sorry I didn’t catch your words because I was thinking _____.

A. something else      B. anything else     C. else something     D. else anything

3. I’m sorry I shouldn’t ________ a toy car with you.

A. fight over    B. fight with     C. agree with   D. agree on 

4. I’m looking forward to seeing Li Yuchun sing _________ one day.

A. to live      B. living       C. lively       D. live

5. John　　　　a worker ever since he left middle school. 

A. was    B.is     C. has been     D. had been

6. If you want to catch the school bus,you have to　　　　. 

A.put up   B.grow up      C.hurry up      D.dress up

8.--- Long time no see! I think you    a lot.    --- Yes. I used to be quiet, but now I'm outgoing.  

A. will change    B. were changing      C. are changed      D. have changed

9.       , or we'll be late for the exam and the teacher will be angry with us.

A. Be careful   B. Come in    C. Hurry up     D. Wait a moment

10. Zhang Yimou is not in China. He has gone                 .

A. away       B. back     C. abroad        D. around

11. Sally hasn't finished her homework. ________ she didn't write a word at all.

A. Suddenly     B. Hardly      C. Actually      D. Truly

12.—I have just finished reading half of the book.

—You should hurry up. It is due ________ two days.

A. for     B. after     C. at     D. in

13. If we work hard, our future will be ________ hope.

A. because of      B. full of      C. instead of     D. proud of

14.Both his parents look sad. Maybe they ______ what’s happened to him.

A. knew     B. have known     C. are knowing     D. will know

15. —Could you please water the flowers in the garden?

— Oh, I                   already .  

A.have no time    B. haven’t watered them    C. have watered them    D. can do it tomorrow