问题 单项选择题

程控交换操作系统中,对系统中出现的软件、硬件故障进行分析,识别故障发生原因和类别,决定排除故障的方法,使系统恢复正常工作能力的是()。

A.维护程序

B.管理程序

C.故障处理程序

D.消息处理程序

答案

参考答案:C

选择题
阅读理解

阅读理解。

                                                                        Koala bear 

                                                              

Appearance: A little short and fat animal, looking like a toy bear.

Place: Australia.

Food: Eucalyptus leaves(桉树叶)-2.5 pounds of leaves per day for an adult koala,and I pound of leaves and

         some mother's milk per day for a baby koala.

Habit: Sleep all day and eat at night.

Interesting things: A baby koala is very small when it is born.It has no hair, and it can't see either. It lives in

                           its mother's pouch (育儿袋) for 5~7months. 

                                                                         kangaroo

Appearance: Short front legs, long and strong back legs. Looking like a big mouse.

Place: Australia. 

                                                                   

Food: Grass.

Interesting things: It is the national symbol (象征) of Australia. There are more kangaroos than people in this

                           country.

1.If someone sees a newly born koala bear, he will be surprised because it's very ______. [ ]

A.weak

B.small

C.short

D.black

2.A baby koala can't live without ______. [ ]

A.its father

B.grass

C.its mother

D.people

3.the kangaroo is the national symbol of ______. [ ]

A.Canada

B.Australia

C.America

D.Britain

4.There are more ______ than people in Australia. [ ]

A.kangaroos

B.koala bears

C.monkeys

D.elephants

5.We can guess that koala bears and kangaroos are ______ animals in Australia. [ ]

A.beautiful

B.playful

C.endangered

D.popular