题目内容

You'd better take good care _______ your eyes.

A. of
B. for
C. with
D. at

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Business cards are a useful marketing tool, and an easy one to have _______ you at all time.

A. without
B. with
C. for
D. in

Ask your network to network with you and for you also _______ handing out a few.

A. with
B. about
C. to
D. by

第三次(第二次)工业革命,则使人类的战争借助于内燃机技术而转变为机械化战争时代,这就造成了新的军事革命。

A. 对
B. 错

第四次(第三次)工业革命,则使人类掌握了核武器,使世界出现了核战争这种新的战争形式。

A. 对
B. 错