北语15春《大学英语》（二）作业3满分答案

15春《大学英语》（二）作业3 单选题

一、单选题（共 25 道试题，共 100 分。）

1. ___ man can now create radioactive elements, there is nothing he can do to reduce their radioactivity. A. As

B. Whether C. While D. Now that

-----------------选择：C

2. Circus tiger, although they have been tamed, can ___ attack their trainer. A. unexpectedly B. deliberately C. reluctantly D. subsequently

-----------------选择：A

3. My house ___ a living room, a kitchen, a bathroom and a bedroom. A. makes up of B. is composed of C. is made of D. is consisted of

-----------------选择：B

4. An ___ between parents regarding the rearing of their children often goes on for years. A. controversy B. argument C. debate D. dispute

-----------------选择：B

5. There is little chance that mankind would ___ a nuclear war. A. retain B. edure C. survive D. maintain

-----------------选择：C

6. I finally ___ the reference in a dictionary of quotations. A. track out B. track down C. track up D. trace down

-----------------选择：B

7. The two companies signed a trade ___.

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