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问题 单项选择题

PMH型快速母线保护是带制动特性的（）阻抗型母线差动保护。

A、高

B、中

C、低

答案

参考答案：B

解析：题目来源：电力系统继电保护实用技术问答（第五章）
专业类型：继电保护
设备类型：母线
难度等级：一般
电压等级：220kV
知识点：基础知识

填空题

2010年，世界人口达到六十三亿七千九百三十万人，写作______人，省略亿后面的尾数约是______亿人．
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写作题

  

第二节：读写任务（共1小题;满分 25分）

阅读下面的短文 .然后按照要求写一篇150词左右的英语短文.

We all know the story of "The tortoise and the hare". The hare lost because he was overconfident. So slow­-and-steady wins the race.but did you know the tortoise and hare raced three more times? Afrer his loss the hare challenged the tortoise to a second race and this time was without stopping from start to finsh. There was no doubt that he won. The lesson this time was

that fast-and-consistent beats slow-and-steady.then the tortoise challenged the hare to  a third race. over a slightly different route. The hare ran at top speed until he reachcd a broad river.Although the finishing line was just a kilometre past the river the hare had no way of croasing and once more the slow-and-steady swimming tortoise came out on tup.

The hare and the tortoise. by this time, had become good friends. They realized they could perfom better together than separately. So they decided to have one more race. But this time they would work as a team.  They started off. and this time the hare carried the tortoise till the  riverbank. There. the tortoise took over and swam across the river with the hare on his hack. On the opposite bank. the hare again camed the tortoise and they reached the finishing line togeLhcr. much more quickly than chey had been able to alone They both felt a greater sense of

Satisfaction than they'd felt earlier.                                        

[写作内窖]

1．以约30个词概括这段短文的内容；

2(1)以约120个词就第四次龟兔赛跑的寓意发表个人观点。内容包括：

(1)如何利用自身优势：

(2)如何发挥团队精神。

[写作要求】

1．在作文中可使用自己的亲身经历或虚构的故事，也可以参照阅读材料的内容，但不

得直接引用原文中的句子：

2．作文中不能出现真实姓名和学校名称。

[评分标准]

概括准确，语言规范，内容合适，篇章连贯。
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