题目内容

KILL软件是用于计算机的()
[A] 病毒检查和消除
[B] 病毒分析和统计
[C] 病毒防疫
[D] 病毒防范

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Office97是
[A] 系统软件
[B] 应用软件
[C] 教育软件
[D] 工具软件

difference between drugs and wonder drugs. The antibiotics can really treat certain bacterial diseases. 3On the other hand

The school term was short so that the children could not help on the farm. Although the whole family worked, and life 10was not easy, farmers as a class were self-reliant and independent.

Advances in technology has also changed people's lives. 3Dishwashers and washing machines do jobs that were once done by the hand.