问题 填空题

二次回路按用途:断路器控制(操作)、信号、测量和监视回路、()和自动装置回路等。

答案

参考答案:继电保护

阅读理解

阅读理解。

      What do you usually do after class? When class is over, most students in my class I go out to relax.

We have a twenty-minute break (休息) between classes. Look! Some students are in the playground.

They are having a basketball match .A boy is running with a ball and another is trying to stop him. They

are so cool. Some girls are watching the match. Some students are in the classroom. They are talking

with each other. A few of them are reading English and doing their homework. A girl is looking at the

birds in a tree outside the classroom. She must be thinking of something interesting because she looks

very happy.

       What are the teachers doing now? In the office, some of them are preparing for the next class, and

some are talking with their students. Everyone is busy with his or her things. They are all good teachers.

1. The passage is mainly about ________.     

A. students  

B. teachers

C. a basketball match   

D. the break time between classes

2. How long (多久) can students have a break between classes according  to the passage?      

A. Twenty minutes.  

B. Ten minutes.

C. Twelve minutes.  

D. Fifteen minutes.

3. You can't see the students ________.     

A. in the classroom

B. in the office

C. in the playground

D. in the library

4. The teachers are ________ in the office.

A. working or talking with their students       

B. having a basketball match     

C. reading newspapers       

D. playing with their students

5. Which of the following is TRUE about the passage?

A. The students in the playground are all boys.

B. There is only one bird in the tree outside the classroom.

C. You can't see any students in the classroom.

D. The teachers are all very busy.

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