北航12秋《大学英语预备级2》在线作业1-3答案

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北航《大学英语预备级2》在线作业一

一,单选题

1. 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

2. The program was so （ ）that they were too （ ）to fall sleep.
A. exciting … excited
B. excited… Exciting
C. exciting … exciting
D. excited… Excited
正确答案：A

3. He wondered if he could slip out of the lecture hall without anyone （ ）.
A. noticing
B. noticed
C. to notice
D. being noticed
正确答案：A

4. My teacher was made（ ）his teaching because of poor health.
A. giving up
B. to give up
C. given up
D. give up
正确答案：B

5. Before he left the White House, the President made a（ ）speech.
A. quarrel
B. symbol
C. automobile
D. farewell
正确答案：D

6. Tourist：How much is that ring，please？ Vendor：Only ＄200，sir． Tourist：（ ）. How about ＄100？ Vendor：I can let you have it for ＄180．
A. All right．I’ll take it.
B. That’s very expensive．
C. How splendid it is！
D. I’d like very much to have it ．
正确答案：B

7. A good teacher always tries to（ ）students to ask question.
A. encourage
B. obey
C. recall
D. spread
正确答案：A