奥鹏15春北航《大学英语预备级2》在线作业二
一、单选题（共 25 道试题，共 100 分。）
1. China is a（ ）country while the U.S is a（ ）country. A. developed…developed B. developing … developing C. developed…developing D. developing … developed 正确答案：D
2. Yao Ming is very good. He was taller than（ ） in his grade that year. A. any one B. the one
C. other students D. any one else 正确答案：D
3. Before you begin writing your paper, please write（ ）first. Then we can have a better idea about what you are going to talk about. A. an origin B. a detail C. detail D. an outline 正确答案：D
4. “We didn't see him at the exhibition yesterday.”“He（ ）it.” A. mustn't visit
B. can't have visited
C. should have gone to see D. may see 正确答案：C
5. By nine o’clock, all the Olympic torch bearers had reached the top of Mount Qomolangma,（ ）appeared a rare rainbow soon. A. of which B. on which C. from which D. above which 正确答案：D
6. Her dog ran out of the yard（ ）the old lady opened the gate. A. moment B. a moment
C. the moment D. that moment 正确答案：C
7. After talking for nearly ten hours, he（ ）to the government’s pressure at last. A. expressed B. yielded C. decreased D. approved 正确答案：B
8. A good teacher always tries to（ ）students to ask question. A. encourage B. obey C. recall D. spread 正确答案：A
9. A: Julia said she sent you a birthday card yesterday. Have you got it? B:Oh, really ! I haven' t（ ）my mailbox yet. A. examined B. charged C. tested D. checked 正确答案：D
10. A:do you have to leave now? B:Sorry, but I really（ ). A. can’t B. have C. must D. should 正确答案：C
11. Before you mail this letter, you should check again whether you have（ ）it or not. A. sunk B. sighed C. sought D. sealed 正确答案：D
12. I shall overcome the obstacles regardless（ ）so many difficulties. A. in B. of C. for D. about
正确答案：B
13. I don’t know where （ ）going. A. will she B. she will C. is she
D. she is
正确答案：D
14. Before he left the White House, the President made a（ ）speech. A. quarrel B. symbol C. automobile D. farewell 正确答案：D
15. “Where（ ）my umbrella?”“Somebody（ ）it away by mistake.” A. is, must have taken B. is, must take
C. have been, must take D. is, takes 正确答案：A
16. He asked me how long（ ） going to stay in the hotel. A. was B. I was
C. time I was D. time was I 正确答案：B
17. A:Are you satisfied with her work, sir? B:Not at all. It couldn't be any（ ）. A. better B. best C. worse D. worst
正确答案：C
18. I wish I（ ）ill yesterday; I could have gone with you. A. was not B. were not
C. have not been D. had not been 正确答案：D
19. A（ ）political and economic situation is very important for the development of any country. A. stain B. stable C. peaceful D. pink
正确答案：B
20. Chocolate and ice-cream have different（ ）. A. favour B. favourites C. fever D. flavours 正确答案：D