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1、9B Unit 4 Life on Mars Revision思维导图思维导图1._2._3._4._5_6._7._8._9._10._Advantages of living on MarsIt is not so crowed. People would have much more (1) .There would be no air (2) on Mars.We would study at (3) schools wit “e-teachers”.Robots would do most of our work so that we would have more time to
2、relax.Travelling in space would be (4) .We dont know if it is really safe.We might get (5) from living there.Food would be in the form of (6) and would not be so tasty.The gravity on Mars is only about (7) of that on Earth.There might be dangerous aliens.Disadvantages of living on MarsMars (9) are e
3、lectronic and are stored in the Planet Mars Bank.A very poplar form of entertainment is online games.There are also many online theatres.There are two (10) to visit.There are lots of shopping malls on Mars. They sell spaceclothes and food.A guide to (8) on Marsspace pollution online fun illpills thr
4、ee-eighths living dollars moons1.氧气罐 2.干粮 3.电源包4.睡袋5.太空头盔6.特殊的靴子7.火星上重力小。power packpower packair tankdried fooddried foodsleeping bagsleeping bagspace helmetspace helmetspecial bootsspecial bootsTheres less gravity on Mars.重点词组和短语重点词组和短语8.重新9.以的速度10.以的形式11.漂浮到太空中12.与比较13.在一些方面14.与连接 at the speed of
5、all over again in the form of float off into space compare with / toIn some ways connect to15.也，又16.在岁时17.意见一致18.记英语日记as well asat the age ofbe in agreementkeep an English diary19. 开展，执行开展，执行22. 害怕见到外星人害怕见到外星人 20. 在太空中旅游在太空中旅游23. 离地球如此遥远离地球如此遥远21. 对对 有伤害有伤害carry outtravel in spacedo harm to/be harmf
6、ul tobe afraid of seeing aliensso far away from the Earth26. 毕竟毕竟25. 一种不同的生活一种不同的生活24. 生活在火星上的缺点生活在火星上的缺点disadvantages of living on Marsa different kind of lifeafter all一、用一、用介词短语介词短语把把状语从句状语从句换成简单句换成简单句v when 所引导的时间状语从句所引导的时间状语从句 1. She started to learn drawing when she was seven. She started to le
7、arn drawing_ . 2.Neil Armstrong received his student pilot s licence when he was 16. Neil Armstrong received his student pilot s licence _at the age of sevenat the age of 16v because 引导的原因状语从句引导的原因状语从句3.He could not go to the party because he had too much homework. He could not go to the party becau
8、se of too much homework .4.People might float in space because the gravity is low. People might float in space _ _.because of the low gravityv if 所引导的条件状语从句所引导的条件状语从句5.He could not solve this problem if he has no help. He could not solve this problem _ . 6.Humans cannot survive if there is no food,
9、water or oxygen. Humans cannot survive _ .without helpwithout food, water or oxygenIf引导的条件状语从句可与下列结构进行同意转换：1.可用without 或with 来转换条件状语从句。If there is no water , fish will die.= Fish will die without water.2.可与“祈使句+ and/ or +陈述句（一般将来时结构）”这一句型转换。其中，在句意上and表示顺承， or表示转折，意为“否则”。If you work hard , youll pass
10、 the exam easily.=Work hard , and youll pass the exam easily.=Work hard , or you wont pass the exam easily.用介词短语把状语从句换成简单句用介词短语把状语从句换成简单句1.1.“when+从句从句”转换成转换成_2.2.“because + +从句从句”转换成转换成 _3.3.“if 的否定句的否定句”转换成转换成 _at the age of because of without二、用二、用介词介词把把宾语从句宾语从句换成简单句换成简单句1. I am sure that the con
11、cert tickets will be expensive. _ _ .2.Are they sure that space travel will be very fast? _ _ ?I am sure about the high price for the concert tickets Are they sure about the fast speed of space travel3.The smell of the pills reminds them that food on the earth is tasty._4.The photos remind me that I
12、 travelled to the UK five years ago. _The smell of the pills reminds them of the tasty food on the earthThe photos remind me of my trip to the UK five years ago5.Are you certain that Tom is satisfied with the plan ? _ _ ?Are you certain about Tom s satisfaction with the planbe sure that = be sure ab
13、out / ofremind sb that = remind sb of sth be certain that = be certain about 1.Are you aware how far Mars is away from the sun ? Are you aware_ (distance)?2.Are scientists in agreement that living on Mars would be possible for humans in the future?Do scientists agree _ (possibility)?be aware of 知道知道
14、 意识到意识到agree with of the distance between Mars and the sunbe in agreement意见一致意见一致with the possibility of living on Mars for humans in the future3.Do they think that the low gravity on Mars might be a problem? Have they thought _ ( problem ) ?4.Are you aware what transport could be like on Mars? Are
15、you aware _ ( transport )?think aboutbe aware of 知道知道 意识到意识到about the problem of the low gravity on Marsof the transport on Mars三、用三、用介词介词把把定语从句定语从句换成简单句换成简单句1.I prefer to stay on a hotel room which has a sea view. I prefer to stay on a hotel room with a sea view.2.People might live in houses which have huge comfortable rooms._ . People might live in houses with huge comfortable rooms3.On Mars you might see people who wear special boots. On Mars you might see people in special boots.4.The man who wears a blue shirt is our English teacher. _The man in a blue shirt is our English teacher.
