题目内容

In order to be a good scientist, ______.

A. mathematics is urgent
B. one should have the mathematics
C. one must understand mathematics
D. mathematics is important to understand

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Low price at Willable & Ward is only ().

14()

A. receiving
B. accepting
C. having
D. refusing

The special design lies in three () pockets and seven inside or hidden pockets.

What you produce is for sale on the market.

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