清退保密文件时，要( )。A．摘录文件内容 B．复制原文 C．_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

清退保密文件时，要( )。

A．摘录文件内容

B．复制原文

C．按原文标注密级处理

D．按平件清退

答案

参考答案：C

补全对话，情景问答

给下列的问句选择合适的答语。

( ) 1. What's the date today?
( ) 2. What time is it?
( ) 3. Are these your shoes?
( ) 4. Did you have a good trip?
( ) 5. Where is your dog?

A. It's 3: 30.
B. Yes, they are.
C. Yes, but I'm tired.
D. I don't know.
E. It's May first.

填空题

在Java语言中，复合数据类型有；类、接口和______。