词汇过关练习题及答案精解连载（九）

来源：工商管理硕士（MBA）发布时间：2012-07-13 工商管理硕士（MBA）辅导视频评论

1. As a defense against air-pollution damage, many plants and animals_________ a substance to absorb harmful chemicals.
    A. relieve                                 B. release
    C. dismiss                                 D. disclose

2. As a matter of rule, the scrap value of a vessel can hardly be at ________ with the sound value.
    A. par                                  B. bearish
    C. collapse                             D. rally

3. As a salesman, he works on a (an) ________ basis, taking 10% of everything he sells.
   A. income                             B. commission
   C. salary                             D. pension

4. As all of us know, color-blind people often find it difficult to ________ between blue and green.
   A. separate                              B. distinguish
   C. compare                               D. contrast

5. As everyone knows, the exchange ________ fluctuates almost daily.
    A. ration                                  B. ratio
    C. rate                                    D. interest

6 As far as the rank of position is concerned, an associate professor is ________to a professor, though they are almost equally knowledgeable.
    A. attached                            B. subsidiary
    C. previous                            D. inferior

7. As I was just getting familiar with this job, 1 had_________ to ask my boss.
      A. many                               B. most
      C. much                               D. more

8. As is well-known, knowledge is the __________condition for expansion of mind.
      A. indispensable                        B. indefinite
      C. inevitable                           D. impossible

9. As scheduled, the communications satellite went into _________ round the earth.
      A. circle                               B. orbit
      C. path                                D. course

10. As soon as it started to rain we turned round and _________ home.
      A. made for                            B. called for
      C. cared for                           D. searched for

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