川大《大学英语三0003》20春在线作业20001参考答案Word格式文档下载.docx

1、2.Would you mind closing the window? It is windy outside. _A.Not at all.B.Sure, go ahead.C.Why not?D.Yes, I would.A3.The patients are quite _ to the nurses for their special care.A.enjoyableB.helpfulC.confidentD.gratefulD4.Henry would never forget _ his mother-in-law for the first time. He was so pl

2、eased with the gifts she brought for him.A.meetB.to meetC.meetingD.met5.He _ his homework before I came.A.has doneB.has been doingC.had doneD.would have done6.Sixteen-year-old Maria was waiting in line at the airport in Santo Domingo. She was leaving her native country to join her sister in the Unit

3、ed States. She spoke English very well. Though she was very happy she could go abroad, she was feeling sad at leavA.when she was leaving AmericaB.on her way back to Santo DomingoC.before she left the USAD.when she arrived at the airport7._ carefully, this letter is very beautiful.A.TypeB.TypingC.Typ

4、edD.To typed8.The sun _ in the east and _ in the west.A.rise; setB.rises; setsC.rose;D.is rising; is settingB9.What do you want to do? _.A.No, I dont want to do anything.B.I want to watch TV for a change.C.What do you want to do then?D.How about having a picnic?10.As long as the sun shines, the eart

5、h will not run out of energy. The sun pours more energy on earth than we can ever use. Most of that energy comes to us as heat and light. Energy from the sun is called solar energy. Anything to do with the sun is called solar. The word began with the Roman word for the sun and their god of the sun,

6、who was called Sol. Solar energy is a safe kind of energy. It doesnt make pollution or have dangerous leftovers. That is why scientists and investors are experimenting with ways of harnessing（治理利用）the sun to do some of the jobs fossil fuels have been doing. But to make the sun do work like that, the

7、y have to solve some problems. They have to collect the suns energy. Collecting sunshine is not easy, unless you are a plant. Sunshine is not easy to store, either. You cant fill a tank with it or put it in the wood box. You can not move it through a pipe or a wire. You can not just turn it on. （4）、

8、What are the problems facing scientists who want to use solar energy?A.It is not easy to collect.B.It is not easy to store.C.It is not easy to find out.D.both A and B.11.It is necessary _ a foreign language.A.of college students to masterB.for college students to masterC.that college students master

9、D.that college students to master12.I _ an old friend on the way home yesterday.B.metC.have metD.had met13.Can I help you carry the bag?A.Neednt.B.you couldnt do it.C.I could do it myself.D.Thank you, but I can manage it myself.14.May I use your bike for a moment? _.A.It’s well.B.It doesn&t ma

10、tter.C.By all means.D.I have no idea.15.It is _ that he has to ask for help.A.so a big jobB.a so big jobC.such big jobD.such a big job16.正误判断题： If you travel by air across the center of Africa or South America, you fly over forests for thousands of kilometers. These great forests are the oceans of t

11、rees. There are thousands and thousands of different kinds of plants and animals. However, the worlds forests are getting smaller all the time. We are cutting down the trees because we need wood, and we need more farmland. Some people say that there will not be any forests like these in 20 or 30 yea

12、rs. What will happen if they disappear? If we cut down our forests, a lot of plants and animals will disappear from the world. In a lot of places the new farmland will soon look like the old deserts. Crops will not grow there. It will not rain very often, and the weather will get very hot. Perhaps t

13、he climate of the world will change. This will be dangerous for everyone in the world. That is why we must take care of our forests. （以下为试题题干）The need for more wood and more land help to protect our forests.A.正确B.错误17.John succeeded _ what he wanted.A.to getB.to gettingC.in gettingD.and getting18.Youd better_ in bed. Its bad for your eyes.A.not to readB.not readC.dont readD.read19._ at such a time, his work attracted much attention.A.To publishB.PublishedC.PublishingD.To be published20.I couldnt find my English-Chinese dictionary _.A.anywhereB.everywhereC.nowhereD.somewhere21.Hello,