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问题 单项选择题

拟建年产80万t的乙醇装置，已知乙醇市场单价为4500元/t，根据资金周转率法计算出的拟建项目的投资额为130000万元。则该项目的资金周转率应为( )。

A．1.37

B．2.31

C．2.77

D．3.61

答案

参考答案：C

完形填空

Experiments have proved that children can   1         (instruct) in swimming at a very early age. At a special swimming pool in Los Angeles, children become expert at   2     (hold) their breath under water even before they can walk.          3          (baby) of two months old do not appear to be reluctant to enter the water. It is not long   4        they are so accustomed to swimming   5         they can pick up weights from the floor of the pool. A game that is very popular with these young   6       (swim) is the underwater tricycle race. Tricycles are lined up on the floor of the pool seven feet under water. The children compete against each other to reach the other end of the pool. Many pedal their tricycles,  7      most of them prefer to push or drag them. Some children   8       cover the whole length of the pool   9        coming up for breath even once. Whether they will ever become future Olympic champions, only time will tell. Meanwhile, they should encourage     10         among us who cannot swim five yards before they are gasping for air.
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单项选择题

对于原油储罐，当罐内原油发生燃烧时，不会产生（）。

A.闪燃

B.热波

C.蒸发燃烧

D.阴燃
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