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问题 单项选择题

按照导体联接方式的不同，电接触可以分为三大类，它们是 （）.

A、点接触，线接触，面接触。

B、固定接触，滑动接触，可分接触。

C、单断点接触，双断点接触，桥式触点接触。

D.常开接触，常闭接触，转换接触。

答案

参考答案：B

阅读理解

任务型阅读(10分)

It is very important to have good friends. 1)拥有许多朋友的一种生活是有趣且丰富多彩的。A life without a friend is a life without a sun.2)Having good       can       us in lots of different ways. People with a lot of friends usually feel happier than people with no friends. Everything we do will be more fun if we have friends with us to share our adventures(经历). When we are feeling sad or worried, our friends will give us advice and help us out of difficulties.

We should not only have good friends but also be good friends. We need our friends as much as they need us. We should be willing to help friends when they need help.

1. 回答下面问题

What will friends do when we are feeling sad or worried?

                                                                   

2. 在2)句的空白处填入适当的词使句意完整、上下文通顺：                

                                                                     

3. 将1)句译成英语：____________________________________________________

4. 写出文中与下列句子意思相近的句子：

If friends need our help, we should be glad to help them.

_____________________________________________________________________

5. 找出文中最能表达该短文主题的句子：                                

______________________________________________________________________
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问答题

膏淋与尿浊如何鉴别

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