单项选择题

Each plant and animal be natural tendency,（）far more seeds and eggs and seedlings and young, than is necessary to maintain（）population．

A．is to produce..．their
B．produces..．its
C．produces..．their
D．produce..．their

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单项选择题
Even the best medical treatment can not cure all the diseases that（）men and women.

A. beseech
B. beset
C. bewitch
D. bestow
单项选择题
Being poorly dressed can （）your chance of getting a job.

A. ruin
B. eliminate
C. reduce
D. endanger
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