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1、Unit 4 Global warming Section Grammar & Writing.完成句子1是她建议他去北京深造。 suggested that he go to Beijing for further study.2直到他开始在那家公司工作时，他才遇到他想娶的女孩。 in that company that he met the girl he would like to marry.3我们都知道，不是我们读了多少书，而是我们读的内容才是重要的。As we all know，it is not how much we read but what we read 4人们似乎已经忘
2、了到底是在多少年之前在那里建造了这些发电站。People seemed to have forgotten that the power stations were built there.5我们是在我们以前生活过的村子相识的。It was in the village which we used to live in each other. 【导学号：33100042】【答案】1.It was she who /that2.It was not until he began to work3.that is important4.how many years ago it was5.that
3、 we got to know.阅读理解AMillions of years ago dinosaurs lived on the earth.In the days of dinosaurs the whole earth was warm and wet.There were green forests and they could find enough to eat.Later，parts of the earth became cold and dry.and the forests there died.Then dinosaurs could not find enough to
4、 eat.This must be one reason why dinosaurs died out.We can guess another reason.New kinds of animals came on the earth.Some had big brains and were fast and strong.They could kill dinosaurs.There may be other reasons that we dont know about yet.Scientists are trying to make more discoveries about di
5、nosaurs.Dinosaurs were of many sizes and shapes.Some were as small as chickens，while some were about 90 feet long.There were also terrible fights between dinosaurs.They might have happened more than 100 million years ago.Though there was no man to see any of the fights，we can be told by the animals
6、footprints that fight did take place.1. According to the passage，dinosaurs did exist only on the earth.Afor millions of yearsBmillions of years agoCmore than 100 millions years agoDwhen it was warm and wet somewhere【解析】细节理解题。本题的依据是第一段的第一句“Millions of years ago dinosaurs(恐龙)lived on the earth”可知恐龙在几百
7、万年前生活在地球上，故选B。【答案】B2One reason why dinosaurs died out is that Athere were too many dinosaursBparts of the earth became cold and dryCthe dead forests there could not supply them with enough foodDthey couldnt find enough to eat【解析】细节理解题。通过对第一段中“Later，parts of the earth became cold and dry，and the fore
8、sts there died.Then dinosaurs could not find enough to eat.This must be one reason why dinosaurs died out.”的理解可知，恐龙灭亡的原因是因为没有足够的食物吃，故选D。【答案】D3. One more reason may be that Anew kinds of animals came on the earthBsome fast and strong animals with big brains could kill themCsome dinosaurs were as smal
9、l as chickensDsome big dinosaurs died in the fights【解析】细节理解题。本题的依据是第二段的三、四两句“Some had big brains and were fast and strong.They could kill dinosaurs”可知恐龙可能是被一些有智慧、跑得快并且强壮的生物杀死了，故选B。【答案】B4. We can see from this passage Ascientists are trying to make some dinosaursBdinosaurs are dangerous enoughCdinosa
10、urs are worth studyingDscientists know nothing about dinosaurs【解析】推理判断题。本题依据文中第二段的后两句“There may be other reasons that we dont know about yet.Scientists are trying to make more discoveries about dinosaurs.”来推测，人们还不完全了解恐龙，有进一步研究的必要，故选C。【答案】CBAmericans wont live without cars! Each year there is an incr
11、easing number of cars on roads and streets，as millions of new cars are produced.One of every six Americans work at putting together the parts of cars，driving trucks，building roads or filling cars with gas.Most Americans find it hard to think what life would be without a car.However，some have realize
12、d the serious problem of air pollution by cars.The polluted air is poisonous and dangerous to health.One way to get rid of the polluted air is to design a new car that does not pollute.Thats what several large car factories are trying to do.But to build the new car is easier said than done.Progress
13、in this field has been slow.Another way is to take place of the car engine by something else.Engineers are now working on some new cars.Many makers believe that it will take years to develop a practical model that pleases man.To prevent the world from being polluted by cars，well have to make some ch
14、anges in the way many of us live.Americans，for example，have to cut down the number of their cars they are encouraged to travel and go to work by bike.Riding a bike is thought to help keep the air clean.But this change does not come easily.A large number of workers may find themselves with no jobs if
15、 a car factory closes down.And the problem of air pollution would become less important than that of unemployment.5Large car factories are trying to build a clean car， Awhich is clean itselfBwhich is used to clean streetsCwhich does not pollute the airDwhich is easier to make【解析】细节理解题。根据第三段提到“One way to get rid of the polluted air is to design a new car that does not pollute.”摆脱空气污染的一个方法就是设计一种新型的无污染的汽车，故选C项。【答案】C6If the number of cars is cut down，the most serious problem in American workers is Ato have no work to do
