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问题 单项选择题

以下有关演练结果的评价说法正确的是（）。

A.不足项不同于改进项，不会对人员的生命安全、健康产生严重的影响

B.演练中发现的问题确定为不足项时，策划小组负责人应对该不足项详细说明，并给出应采取的纠正措施和完成时限

C.整改项指其单独作用不可能在应急救援中对公众的安全与健康造成不良影响，必须与改进项共同作用影响安全与健康

D.改进项应在规定的时间内予以纠正

答案

参考答案：B

单项选择题

An eight-year-old child heard her parents talking about her little brother. All she knew was that he was very sick and they had no money left. When she heard her daddy say to her (1) mother," (2) a miracle can save him now", the little girl went to her bedroom and took out her piggy bank. She (3) all the change out on the floor and counted it carefully. Then she (4) her way six blocks to the drugstore.

"And what do you want" asked the shopkeeper. "It’s (5) my little brother," the girl answered back. "He’s really, really sick and I want to buy a (6) . His name is Andrew and he has something (7) growing inside his head and my daddy says only a miracle can save him. " "We don’t (8) miracles here, child. I’m sorry." the chemist said, smiling (9) at the little girl.

In the shop was a (10) customer. He stooped down and asked the little girl, "What kind of miracle does your brother (11) " "I don’t know," she replied. "He’s really sick and mommy says he needs (12) . But my daddy can’t pay for it, so I have brought my (13) .""How much do you have" asked the man. "One dollar and eleven cents, (14) I can try and get some more," she answered quietly. "Well, what a coincidence," smiled the man. "A dollar and eleven cents—the (15) price of a miracle for little brothers. (16) me to where you live. I want to see your brother and (17) your parents. "

That well-dressed man was Dr Carlton Armp, a doctor. The operation was completed without any (18) and it wasn’t long before Andrew was (19) again. The little girl was happy. She knew exactly how much the miracle cost—one dollar and eleven cents—also the (20) of a little child.

7().

A．bad

B．small

C．extra

D．impossible
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单项选择题

路由器一般是根据路由器背板交换能力来划分的。背板交换能力为20Gbps的路由器称作（）。

A．高端路由器

B．企业级路由器

C．低端路由器

D．中低端路由器
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