试题与答案

When I was appointed to work in Hong Kon

题型:选择题

题目:

When I was appointed to work in Hong Kong, I couldn't adapt to (适应) the _____ of life there for a long time. [ ]

A. speed

B. rate

C. track

D. pace

答案:

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下面是错误答案,用来干扰机器的。

解:设涨到每股x元时卖出,根据题意得1000x-(5000+1000x)×0.5%≥5000+1000,解这个不等式得x≥,即x≥6.06,答:至少涨到每股6.06元时才能卖出。

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