问题
名词解释
计算机及网络运行安全
答案
参考答案：
指网络中的各个信息系统能够正常运行并能正常地通过网络交流信息。
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计算机及网络运行安全
参考答案：
指网络中的各个信息系统能够正常运行并能正常地通过网络交流信息。
| 选择适当的单词或词组填空。 | |
It was a cold day. And the snow was heavy. She was driving home from work at nine p.m. As there was snow on the road, she drove very 2 . But unluckily, the car 3 suddenly. She couldn't start it. And what was worse, she couldn't open the door. She felt very helpless and didn't know what to do. So she telephoned my father using her mobile phone. But my father happened to be in another city. There were few people on the road and the snow 4 to fall around her car. She had to call 110 for help. Two policemen arrived 5 . They tried many ways to open the door. And my mother came back home in their police car in the end. She gave us a surprise! |