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问题 单项选择题

发生危险物品灾害事故，保安萝护员要迅速报警，同时要按照（）迅速报告有关部门。

A.处置预案

B.公安机关的要求

C.客户单位领导的指令

D.突发预案

答案

参考答案：A

补全对话，情景问答
从方框中选择最佳选项完成对话，有两项多余。
A. I like playing computer games.
B. Do you play computer games?
C. How do you do your homework on it?
D. They check my homework.
E. But I often chat with them at the weekend.
F. Yes, I do.
G. What games do you play?

Mike: Lucy, do you have a computer?
Lucy: __1__
Mike: What do you often do on it?
Lucy: I often visit websites and get some information for my homework.
Mike: __2__
Lucy: No, never. I think playing games wastes(浪费) too much time. What about you, Mike? Do you have a computer?
Mike: Yes. __3__ I think it's very interesting.
Lucy: Oh, I usually send emails to my teachers. __4__
Mike: Do you chat (聊天) with your friends on the Internet?
Lucy: Yes. __5__
1. _____  2. _____  3. _____  4. _____  5. _____
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单项选择题

设计一个大型信息系统首先必须有

A．一个原型系统作参考

B．一个系统规划作指导

C．一个开发工具作支持

D．一个逻辑方案作依据
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