(精品)九年级英语第四单元知识点section A 含练习

Unit4 What would you do?

熟记以下短语：

1、give it to charity 把它捐给慈善机构

2、medical research 医学研究

3、What if …… 如果…怎么样？

4、get nervous 紧张

5、take a big exam 参加大考

6、help with 有助于

7、in public 在公共场合

8、hardly ever 几乎不

9、the whole school 全校

10、without permission 为经许可

11、be(make) friends with 与…交朋友

12、ask one’s permission 请求××的允许

13、introduce…to… 把…介绍给…

14、invite…to do… 邀请…干…

15、social situations 社会环境

16、not… in the slightest 根本不，一点也不

17、right away 立刻，马上

18、all day 全天

19、be friendly to 对…友好

20、at lunch time 在午饭时间

21、a bit shy 有点害羞

22、English speech contest 英语演讲比赛

23、represent the class 代表班级

24、come top 名列第一（前茅）

25、let … down 使…失望

26、come up with 提出、想出

27、be sure of + n./pron.

be sure to do 相信… be sure +that 从句

28、the rest of the students 其余的学生

29、have a lot of experience (in) doing sth 在做某事方面有经验

30、deal with 对付，处理

31、come out 出版

32、give advice on… 在…方面提出意见、建议

33、by accident 偶然地，无意之中

34、hurry to do sth 匆匆忙忙干…

35、an internet friend 网友

Section A

重点语法：

1. If I were you, I’d wear a shirt and tie.

1 .tie n 领带，平局，得分相同，不分胜负

V 拴，扎，系，绑 现在分词tying

句型:tie sth .to …把…栓到…上

通过动词形式的变化来表示说话人对发生的动作或存在的状态所持的态度或看法的动词形式称为语气，虚拟语气表示说话人所说的话不是事实，而是一种祝愿，建议或是与事实相反的假设等。

if 引导的条件状语从句分为真实和非真实条件句，非真实条件句应用虚拟语气。如果要

即：(从句)if +主语+一般过去时)

(主句) 主语 (过去将来时)

如：如果我有时间，我就会去散步。(事实上我现在没有时间)

假如我是你的话，我会带上雨伞。(事实上我不是你)

假如有人请我当电影演员，我会表示拒绝。(事实上瑞没有人请我当电影演员)

2 I can’t sleep the night before I take a big exam.

在重大考试前夜，我无法入睡

Sleep n 睡眠 v 睡觉，入睡

Sleepy adj困倦的，昏昏欲睡的，

Sleepless adj 不睡的，失眠的

Asleep adj 熟睡的，睡着的，常用来作表语或宾语补足语，不能做定语

Practice

1, How many hours do teenagers _______ every night? (sleep, asleep)

2 How long has the baby been ______?(sleep, asleep)

3 He felt ______ because of the boring movie.( asleep ,sleepy)

4 He can’t do it well with a_____night.(sleepy, sleepless)

翻译句子，一空一词

1 在沙发上睡觉不是很舒服。

______ _______ _______ ______is not very ______.

2 我爸爸一上床就睡着了。

My father _______ _______ as soon as he ______ _____ ______.

3 那场比赛以平均而结实。

The game ______ in ______.

4 那只狗一定要拴在树上，孩子们都很害怕它。

The dot ______ _____ ______ ______ the tree.The children here are afraid of it. 5 如果我变得富有，我将周游世界。

If I ______ ______, I ______ ______ ______ ______ _______

6 如果我是你的话，我不会要那钱的。

I ______ ______ the money ______ ______ _______ ______.

7 如果当时人人豆懂急救，许多人就会的就。

If everyone ______ first aid then, many lives ______ ______ ______.

8如果明天我有空，我回去拜访你的。

If I _____ ______ tomorrow, I _____ _____ you.

1. If you had a million dollars

Million 与具体数字连用时，用单数表示确切的数量

Two million for million

Million 在表示不确定的数量时，也就是说数目较大，常用millions of 数以百计的 类似短语：hundreds of thousands of

2 I’d give it to medical research.

Medical adj 医学的，医疗的， medicine n 药，药剂

短语 medical care 医学护理

Medicine for 治…..病的药

Take/have medicine 吃药

Research v 调查研究

短语： do/make/carry out research 做、进行大量的研究工作

Research on/in/into/for 研究……

3 What if everyone else bring a present?

如果…怎么办 ， 要是… 又怎么样

用来询问将来如果发生什么事，我们该怎么办、在以if引导的条件状语从句中常用 一般现在时表示将来的动作。

如：

What if she doesn’t come? 要是她不来怎么办？

What if Li Lei knows? 如果李雷知道了怎么办？

Practice

1 _______ trees should be planted every year.

A Thousand B Thousand of C Five thousands D Thousands of

2 _______ people have watched the game on TV.

A Million B Million of C Several millions D Millions of

3 _______ students joined the club.

A Three hundred B Hundreds C Three hundreds D Three hundreds of

4 _______ we don’t have presents with us ?

A What about B What if C No matter what D If

5 _______ a new car?

A What about buy B What about buying C What about to buy D What about we buy

翻译句子，一空一词

1. 他一天吃三次药

He _____ the _____ ______ _____ ______ _____.

2 她学习医疗护理。

She ______ learns _______ _______.

3 他们对这一题目做了大量的研究工作。

They _______ _______ a good deal of _______ ______ this subject.

选择填空：

1． My father would rather stay at home and sleep than ______ to the concert.

A go B going C went D has gone

2 If I _____ a thousand dollars, I would buy a football.

A will win B win C have won D won

3 Something must be done to ______ this kind of thing ______.

A stop ,happen B stopped ,happen C stop ,happening D stop,to happen 4 I’d like to go _______.

A somewhere relaxing B relaxing somewhere

C anywhere relaxing D relaxing any where

5 Have you decided ______ Shanghai?

A to visit B visit C visiting D to visit to

6 There are so many CDs here that I don’t know _______.

A to buy which one B which to buy one

C which one to buy D to buy one which

7 Children ______ have at least eight hours’ sleep.

A should B shall C may D can

8 It took him ______ morning to check out _______ information.

A the whole,all the B whole, the all C the whole ,the all D the whole, all of 9 There is hardly ______ milk in the bottle, _______ there?

A no, isn’t B some, is C little, isn’t D any , is

10 There are ______ of visitors in that country every year.

A several millions B many million C about three millions D after three million

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