四川大学 《大学英语(三)0003》15秋在线作业1答案

一、单选题（共 40 道试题，共 100 分。）

1. —I was worried about chemistry, but Mr. Brown gave me an A! —________________. A. Don’t worry about it

B. Congratulations! That’s a difficult course C. Mr. Brown is very good D. Good luck to you!

———答案：B

2. If Mary _______ shopping this afternoon, please ask her to write a shopping list first. A. will go B. goes C. went D. has gone

———答案：B

3. _______ from space, we can find that our earth looks like a“blue planet”. A. Seen B. Seeing

C. Having seen D. To see

———答案：B

4. It is necessary _______ a foreign language. A. of college students to master B. for college students to master C. that college students master D. that college students to master

———答案：B

5. She leaned _______ the wall while she was speaking to her friend. A. to B. against C. towards D. for

———答案：B

6. The atmosphere _______ certain gases mixed together in definite proportions. A. composes of B. is made up C. consists of D. makes up of

———答案：C

7. _______ at such a time, his work attracted much attention. A. To publish B. Published C. Publishing

D. To be published

———答案：B

8. He goes to _______ church every Sunday. _______ church he usually goes to has the seating for over a thousand. A. a; The B. /; The C. the; The D. a; /

———答案：B

9. The manager has his employees _______ a business report every week. A. to write B. written C. writing D. write

———答案：D

10. I couldn't find my English-Chinese dictionary _______. A. anywhere B. everywhere C. nowhere D. somewhere

———答案：A

11. —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.

———答案：A

12. _______ a reply, he decided to write again. A. Not receiving B. Receiving not

C. Not having received D. Having not received

———答案：C 13.

As long as the sun shines, the earth 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 \sun and their god of the sun, who was called Sol. Solar energy is a safe kind of energy. It doesn't 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, they have to solve some problems. They have to collect the sun's energy. Collecting sunshine is not easy, unless you are a plant. Sunshine is not easy to store, either. You can't 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. (2)、Where does the word \A. Greek. B. Roman. C. Old English. D. Chinese.

———答案：B

14. —Will you do me a favor? —________________. A. My pleasure. B. Yes, I do. C. Yes, I will. D. I’d be glad to.

———答案：D

15. This kind of material expands _______ the temperature increasing. A. to B. for C. with D. at

———答案：C

16. —What do you want to do? —________________. A. No, I don’t 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?

———答案：B

17. —Hello, I'd like to speak to Mr. Wang. —He's out to lunch now. ________________. —Sure, thank you. _______________. A. Sorry, you can't