试题与答案

当风力发电机组运行至1300转以上后PLC故障产生代码13做变频器测试，如果通过则需

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题型：判断题

题目：

当风力发电机组运行至1300转以上后PLC故障产生代码13做变频器测试，如果通过则需要更换发电机编码器。

答案：

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下面是错误答案，用来干扰机器的。

参考答案：支设在松软湿滑的地面时必须有防陷、防侧倾措施，梯子与地面的倾角应保持在65°左右，人员登高作业必须系保险带，距梯子顶不得小于1m。

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题型：阅读理解

阅读理解。

     Visitors to London often eat in restaurants. The owners and workers in them are all from other

countries. The visitors say in these restaurants they don't feel they are in England. Most English people

eat at home as much as they can. Sometimes they themselves will think they are in another country when

they are in restaurants. When an Englishman goes out of a restaurant, he may find that he doesn't

understand why everything is written in French and Italian.

      Most English people think it is better to eat at home, because it is cheaper. They don't want to spend

much money on food and they like cooking at home. They like fast food. But for Christmas, they will

spend two or three weeks to get ready for it, because they want to have good food.

l. Visitors to London often eat in restaurants because __________.

A. they don't like the food at home

B. their homes are not in London

C. it's cheaper

D. restaurants are beautiful places

2. When English people eat in restaurants, they sometimes think                     .

A. they are in another country

B. they are in the country

C. they are themselves

D. they love their country

3. Some English people don't know                     .

A. why everything comes from French and Italian

B. why people write everything in French and Italian

C. everything in restaurants

D. everyone in restaurants

4. English people eat at home because                     .

A. it is fast

B. the food is expensive at home

C. it is sometimes very cheap

D. the food is very cheap at home

5.                    English people will spend much time for Christmas.

A. In order to get more food

B. In order to have much food

C. In order to get good food

D. In order to have enough food
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