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1、9下 Unit 4 Life on Mars一、复习单词表A. 拼读易错单词 planet, polluted, rapid, increase, passengers, uncomfortable, tasty, specially, rapidly, circle, agreement, possibility, stranger, electronicB. 重点单词用法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.
2、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pare vt. & vi. 比较 compare.with. 意为“把.与.比较”。 If you compare his
3、work with hers, youll find hers ia much pare.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 are in agreement on this point.= We agree on this point.9. possibility n. 可能性 - possible adj. 可能的 反义词：impossible10.stranger n. 外来者，陌生人 -
4、 strange adj. 奇怪的二、重点词组和重点句型用法A. 重点词组1. air tank 氧气罐 2. dried food 干粮3. sleeping bag 睡袋 4. power pack 电源包5. by the year2100 到2100年时 6. all over again 再；重新7. at a/the speed of. 以.的速度 move at high speed 高速运行8. in the form of. 以.的形式 9. the journey to Mars 到火星的旅行10.float off into space 漂浮到太空中 11. in som
5、e ways 在某些方面12.connect to. 与.什么连接 13.circle around. 绕.运转 14.be similar to. 与.相似 15.by the way 顺便问一下 16.carry out 开展；执行 17.move away from. 离开. 18.after all 毕竟 19.keep an English diary记英语日记 20.with the development of. 随着.的发展21.the rapid increase in population 飞速增长的人口22.large numbers of. = a large numb
6、er 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。B. 重点句型用法1.Wow, Ive never thought about travelling into space. 哇，我从未想过到太空旅行。 Me neither. 我也没有。 think about doing sth. 考虑做某事 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.? = What do you think o
7、f.? 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 crowded and polluted 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 three-eighths of
8、that on the Earth.火星上的重力只有地球上的八分之三。 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。 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 is dirty.Two thirds of the workers in our factory are young people.6.Compared with life on the Earth, life
9、 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 connected 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 woul
10、d 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.三、语法复习简单句和复合句之间的转换（二）1.含有状语从句的复合句与简单句之间的转换 在英语中，我们可以用at the age of, because of, without.等介
11、词短语，将含有状语从句的复合句改为简单句。 He learnt to swim when he was eight years old.He learnt to swim at the age of eight. He could not go to the party because he had too much homework.He could not go to the party because of too much homework. He cannot solve this problem if he has no help.He cannot solve this prob
12、lem without help.注意：转换时要注意时态和意思的一致性和准确性。2.含有宾语从句的复合句与简单句之间的转换 在英语中，我们可以用of., like.等介词短语，将含有宾语从句的复合句改为简单句。 The photos remind me that I travelled to the UK five years ago.The photos remind me of my trip to the UK five years ago. Are you certain that Tom is satisfied with the plan?Are you certain about
13、 Toms satisfaction with the plan?注意：常用的一些动词和介词的搭配有：remind somebody of.be sure/certain about.3.含有定语从句的复合句与简单句之间的转换在英语中，我们可以用with., in.等介词短语，将含有定语从句的复合句改为简单句。Do you know the girl who is holding two books in her hand?Do you know the girl with two books in her hand? The man who wears a blue shirt is our
14、 English teacher.The man in a blue shirt is our English teacher.四、语篇复习A.按照课文内容填空。At the moment, moving to Mars may be difficult to imagine, but many people believe that we will live on the _ Mars by the year 2100. Our own planet, Earth, is becoming more and more _ and _. It is_ we can start all over again and build a_ world on Mars._ with life on Earth, life on Mars wi
