问题 名词解释

卫星通信系统

答案

参考答案:

利用通信卫星实现信号转发的一种多址通信系统。主要由通信卫星、地球站、测控系统及相应的终端设备等组成。

阅读理解

阅读理解。

     There is a big supermarket near my home. Its name is Price-low.

     It has  lots  of things. You  can  buy  school things,  like  notebooks,  pens,  rulers,  erasers  and

pencil-sharpeners.  You can  buy vegetables,  fruit and all kinds of food.  You can also buy clothes.

Some of the things there are cheap(便宜的) , and anybody can afford the prices. But some of them

are dear.

     The supermarket is open  every  day from 9 :00 am t0 9 :30 pm.  The workers there are friendly.

They work hard all day. They are happy to answer your questions. They help you if you want to buy

some things. There are  many people  on  weekends.  They buy lots of things.  Sometimes they have

breakfast, lunch or dinner there, too.

1. The supermarket near my home is           .

A. new      

B. old      

C. smal    

D. big

2. kinds of school things are talked about.       

A Three    

B. Four    

C. Six    

D. Five

3.  The underlined(画线的) word "dear" here means"____" in Chinese.    

A.亲爱的    

B.宝贵的    

C.昂贵的  

D.精致的

4. The supermarket is open for about _______hours every day. 

A. seven    

B. six      

C. twelve  

D. ten

5. Which of the following is RIGHT?   

A. You can't buy clothes in the supermarket.

B. Some of the things in the supermarket are cheap, and some are dear.

C. The workers in the supermarket are not very good.

D. People can't have breakfast in the supermarket.

判断题