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1、9B Unit 4 Life on Mars 自主复习：词组积累：1.dried food2.sleeping bag3.(all) over again4.at a/ the speed of.5.connect to/ pare to/ with7.carry out8.after all9.think about traveling into space10.by the year 210011.the rapid increase in population12.be of great help to.13.make sb. feel very ill14. with the deve
2、lopment of technology15.a guide to (doing) sth16.large numbers of passengers17.in the form of.18.become more and more crowded and polluted （二）重点句型：1. How do you like life on Mars?= What do you think of life on Mars?2. I thought you liked Mars. 我原以为你喜欢火星。3. Our own planet, the Earth, is becoming more
3、 and more crowded and polluted because of the rapid increase in population.4. It is hoped that people could start all over again and build a better world on Mars.5. With the development of technology, by the year of 2100, the journey might only take about 20 minutes in space shuttles (that travel at
4、 the speed of light.)6. So far, nobody knows whether there would be enough water or oxygen on Mars for people there.7. The gravity on Mars is only about three-eighths of that on Earth.8. Life on Mars would be interesting as well as challenging.9. It takes Mars about two Earth years to circle around
5、the Sun once.10. I am not sure if it is worth the risk.知识疏理与反馈：（一）知识疏理语法知识点疏理 (简单句和复合句之间的转换)状语从句可通过介词短语转换成简单句，定语从句和宾语从句可通过介词转换成简单句。1. 用介词短语将状语从句转换成简单句。e.g. (1) The boy cant come to school because he is ill. The boy cant come to school _ _ _ _.(2) I cant work out the maths problem if you dont help me
6、.I cant work out the maths problem _ _ _.2. 用介词把宾语从句转换成简单句。e.g. (1) The photo often reminds me that I traveled to the USA ten years ago.The photo often reminds me _ my trip to the USA ten years ago. (2) I am sure that the concert tickets will be expensive. I am sure _ the _ price for the concert tic
7、kets.3. 用介词把定语从句转换成简单句。e.g. (1) Do you know the woman who is holding a baby in her arms? Do you know the woman _ a baby in her arms? (2) I prefer to stay in a hotel room which has a sea view. I prefer to stay in a hotel room _ a sea view.（二）当堂反馈：一、词汇A根据句子意思及所给中文或首字母提示，完成句子。1. Sorry, I took your umbr
8、ella by _(错误). 2. We must accept the _(可能性) that we might be wrong.3. Is it right to talk to _(陌生人) in the street?4. How much _(风险) is there with this kind of operation?5. Im glad we are in _(同意) about one thing, at least.6. _(快的，迅速的) learning: Learn to speak a new language in 12 weeks!7. Luckily, n
9、either the driver nor the _(乘客) were hurt in the accident.8. Mars is one of the p_ in the solar system(太阳系).9. In winter, water is in the f_ of ice because it is so cold.10. When we c_ western culture with Chinese culture, youll find many differences.B用所给词的适当形式填空。1. The teacher told us that the grav
10、ity on Mars _ (be) only about three-eighths of that on Earth. （2013南京） 2. Every student will have a computer at home _ (connect) to an interplanetary network in the future.3. You must try your best to prevent him _ (make) the same mistake again.4. If you cant speak English well, youll be at a big _
11、(advantage) when you try to get a job.5. There were _(dry) sticks and brown leaves everywhere.6. We _ (special) wanted to see the Eiffel Tower when we were in France.7. These chairs may look good, but theyre very _(comfortable) to sit on. 8. With the _(develop) of technology, the journey to Mars mig
12、ht take only about 20 minutes in spacecraft in the future. (2015 南京）9. The survey carried out in that university, shows that three-_ (five) of the teachers wear glasses. (2015 镇江)10. _ (Compare) her homework to yours, you will find hers is much better. 二、单项选择。( ) 1. How do you like your school life?
13、 _. (2014南通) A. Its a famous school. B. Its very colorful.C. Id 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? （2014南京） _. A. I think so. B. Pretty good. C. Its my pleasure. D. All right.( ) 3. There are _
14、doctors in the hospital; _ of them are women doctors.A. two hundred; two fifth B. two hundreds; two fifthC. two hundred; two fifths D. two hundreds; two fifths( ) 4. The basketball match was really fantastic, _ when Shu-How Lin scored in the last second. A. probably B. especially C. exactly D. mostly( ) 5. Its difficult to _ the discussion with all this noise around us.A. carry off B. carry on C. carry in D. carry away( ) 6. Its excitin
