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问题 名词解释

辅助给水系统/应急给水系统 auxiliary feed water system/emergency feed water system

答案

参考答案：

在蒸汽发生器主给水系统失效时，立即向蒸汽发生器供水的系统。也可作为反应堆启动、停堆时在主给水未投入的情况下向蒸汽发生器供水。

单项选择题

根据《电力设施保护条例实施细则》（发改委令第10号）第十六条规定，500kV架空电力线路导线在最大弧垂或最大风偏后与树木之间的最大风偏距离、最大垂直距离分别为（）

A.5米、5米

B.5米、5.5米

C.7米、7米

D.7米、7.5米
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单项选择题

There was a woman in Detroit, who had two sons. She was worried about them, especially the younger one, Ben, because he was not doing well in school. Boys in his class played jokes on him because he seemed so (21) The mother (22) that she would help her sons to do (23) in school by herself. She told them to go to the Detroit Public Library to (24) a book a week and do a book report for her.
One day, in Ben’s class, the teacher held up a rock and asked (25) anyone knew it. Ben put up his hand and the teacher let him (26) . "Why did Ben raise his hand" all of his (27) whispered (耳语) and wondered. "He (28) said anything. What could he possibly want to say" To their surprise, Ben not only (29) the rock, but also said a lot about it. He (30) other rocks in its group and even knew (31) the teacher had found it. The teacher and the other students were (32) Ben had learned this from doing one of his book (33) .
Later Ben became the (34) student of his class. When he finished high school, he went to Yale University and (34) became one of the best doctors in the United States.

Ⅱ. 完形填空

/Close
阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中选出一个最佳选项。

A．said

B．told

C．called

D．named
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