2021年江苏省中考英语复习案（九年级下册Unit 4 Life on Mars. 教材梳理复习）

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九下 Unit4 教材梳理复习学案

【复习要点】

一、四会词、重点短语

1.become more and more crowded and polluted crowd n. 人群 v. 使…拥挤

2.rapid adj. 快地，迅速的 rapidly adv.

3.increase ['ɪŋkriːs] n. the rapid increase in population

[ɪn'kriːs] v. increase rice production

4. be specially designed 5. take on new challenges

6.(all) over again 再，重新 7.at a/ the speed of 以…的速度

8.in the form of 以… 的形式 9.compare to/with 与… 相比

10.When he was 16 = at the age of 16. 11.Increase rapidly 快速增长

12.Because of the low gravity= because the gravity was low. 13.In agreement 意见一致

14.Be in no doubt that 毫无疑问... 15.carry out 开展，执行

16.disadvantage劣势，缺点 advantage优势 17.after all 毕竟

18.risk n. 风险 v 冒风险 risk doing sth. 19.Percentage 百分率 the percentage of

20.be worried about=worry about 21.be worth sth./doing sth. 值得

22.harm sb. 伤害某人 =do harm to sb.= be harmful to sb.

23.a guide to living on Mars 生活在火星的指南

24.get ill from living there 因为生活在那而生病

二、重点句型

1. Some people believe that humans could live on the planet Mars by the year 2100.

2. The Earth, is becoming more and more crowded and polluted because of the rapid increase in population.

3.At present, our spacecraft are too slow to carry large numbers of passengers to Mars.

4. The gravity on Mars is only about three-eighths of that on the earth.

5. People would have to wear boots that are specially designed to prevent themselves from floating off into space.

6. Compared with life on the Earth ,life on Mars would be better in some ways.

7. Every student would have a computer at home connected to an interplanetary network.

8. Life on Mars would be interesting as well as challenging.

9. However，some other students were worried about living there.

10 They were even afraid of aliens there.

11. They thought aliens were dangerous and would harm people.

12. I’m not sure if it’s worth the risk.

13. After all, humans have already been to he moon.

14.Good from the earth are hard to find.

三、词句梳理

1. polluted adj. 被污染的 pollute v. 污染 pollution n.. 污染

2. rapid adj. 快的，迅速的 —→rapidly adv. 快地，迅速地

3. increase v. & n. 增加，增长

4. uncomfortable adj. 使人不舒服的，不舒适的

反义词：comfortable adj. 使人舒服的,舒适的

5.tasty adj. 味道好的== delicious 比较级：tastier 最高级：tastiest

tasteful 有滋味的；有品位的；雅观的

taste n. 味道—→ adj. tasteless 无味的；无鉴赏力的

tasty 美味的

6. specially adv. 专门地，特地 ←-- special adj. 特殊的，特别的

7.compare vt.. & vi. 比较

① compare...with... 意为“把...与...比较”。

If you compare his work with hers, you’ll find hers ia much better.

②compare...to... 意为“把...比作...”。

Shakespeare compared the world to a stage.

8. agreement n. 一致，同意 ←—— agree v.同意

be in agreement ==agree 同意

We agree on this point. == We are in _______________ on this point.

9. possibility n. 可能性 ←-- possible adj. 可能的—→ 反义词：impossible

10.stranger n. 外来者，陌生人 ←-- strange adj. 奇怪的

11. special adj. 特殊的，特别的副词___________ 意为:__________________

12.large numbers of... == a large number of... 许多...

修饰可数名词复数，作主语时，谓语动词用复数。number 前可用 large,small 等修饰。以示程度。

13.—Wow, I’ve never thought about travelling into space. 哇，我从未想过到太空旅行。

— Me neither. 我也没有。

①think about doing sth. 考虑做某事 ② Me neither.==Neither have I.

2. How do you like life on Mars? 你认为火星上的生活怎么样/

How do you like...? =___________________________...? 你认为....怎么样？

3.What would it be like to live on Mars? 住在火星上将会是什么样子呢？

What + be + 主语 + like? ....怎么样？

4.Our own planet, the Earth, is becoming more and more ________and __________ because of the rapid increase

in population. 因为飞速增长的人口，我们自己的星球——地球正变得越来越拥挤，污染越来越严重。

5.The gravity on Mars is only about _____________of that on the Earth.

火星上的重力只有地球上的八分之三。

1 分数表达法：分子是基数词，分母是序数词，如果分子大于 1，分母要用复数形式，在分子与分母之

间可加连字符也可不加连字符。

2 分数+of+名词结构作主语时，谓语动词的单复数视 of 后面的名词而定，如果名词是复数，谓语动词

用复数形式；如果名词是单数或不可数名词，谓语动词用单数形式。

One third of the water dirty.

Two thirds of the workers in our factory young people.

6.Compared with life on the Earth, life on Mars would be better in some ways.

与地球上的生活相比，火星上的生活在某些方面要好些。

过去分词短语 compared with life on the Earth 在句中作状语。

7.Every student would have a computer at home __________ to an interplanetary network。.

每个学生家里都有一台电脑与星际网络连接。

过去分词短语 connected to an interplanetary network 在句中作定语，修饰前面的 computer.

8.Life on Mars would be interesting as well as challenging.

火星上的生活，不仅有挑战性，还很有趣。

as well as 不但...而且，既...又

注意：这一短语在译成中文时，应先译 as well as 后面的内容，再译前面的。当as well as 与主语连用时，

在意义上强调前者，谓语动词应与其前的主语保持一致。

He as well as his friends likes going shopping.

【课后巩固】

一、单项选择(共20 小题，每题 1分，共 20 分)

（）1. —How do you like your school life? —__________.

A. It’s a famous school. B. It’s very colorful. C. I’d like to study here. D. I like my school.

（）2. —The documentary A Bite of China II is quite popular around China recently. How do you like it?

—___________.

A. I think so. B. Pretty good. C. It’s my pleasure. D. All right.

（）3. There are _______ doctors in the hospital; ______ of them are women doctors.

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