问题 单项选择题

CPU能够直接访问的存储器是( )。

A.软盘

B.硬盘

C.RAM

D.CD-ROM

答案

参考答案:C

解析:CPU读取和写入数据都是通过内存来完成的。

阅读理解

阅读选择。

     Studies show that most accidents happen at home. So it is important to make your home as safe as

possible. Here are some helpful tips to make your bedroom a safer place for everyone. 

     Keep a light close to the bed. You will need the light when you get up at night. Move the furniture

near the light and make sure you do not trip over at night. 

     Put the telephone near the bed. Then you can reach the telephone without getting out of bed if you

are in a hurry.

     Do not smoke in bed. Smoking in bed could cause a fire. Put heaters a metre from the bed, or the

bed may catch fire.

     Use eletric blankets according to the instructions. Don't put anything on top of the blanket while it

is in use. Don't let your pets sleep on top of the blanket. Don't set electric blankets too high or they

could burn someone.

1. The writer writes the article to ____. [ ]

A. help to make people as safe as possible

B. help to make the bedroom a safer place

C. help to keep the bed from catching fire

D. give some helpful tips about using heaters

2. According to the article, it is dangerous to ____. [ ]

A. keep a light on in your bedroom all night

B. smoke in the room

C. keep a kitty sleeping on the electric blanket in use

D. use heaters at home

3. ____ keeps you from tripping over at night.[ ]

A. Keeping your heater far from the bed

B. Putting the telephone near the bed

C. Using electric blankets correctly

D. Moving the furniture near the light

4. A telephone near the bed will be helpful if ____. [ ]

A. your bed room is in danger

B. you can't get up in danger

C. you are in a hurry

D. you slip in the bedroom

5. The underlined word "close" in the second paragraph means ____.[ ]

A. 关闭

B. 打开

C. 近

D. 远

单项选择题