John was very impressed and realized the difference____himself and Bobby.
A. both
B. among
C. for
D. between
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张拉或退楔时，千斤顶后面严禁站人。
A. 对
B. 错
Chances favor the minds that areprepared.正确的译文是____？
A. 机会总是青睐有准备的人。
B. 有准备的人会有机会。
C. 机会赞美准备的人
D. 机会时刻都赞扬有准备的人。
Chances exist____ the daily details.
A. in
B. to
C. along
D. at
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