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41、下列选项中,不属于计算机病毒特征的是______。
A.传染性
B.免疫性
C.潜伏性
D.破坏性
  积分
 参考答案:
 佳题速递:
  • 假设检验中,显著性水平表示()。A、H1为真时拒绝H1的概率B、H0为真时拒绝H0的概率C、根据样本计算的拒绝真实H0的概率D、检验结果犯第一类错误的最小概率应用统计学
  • After she _ _ _ _ _ _ _ the news, she ran home to tell her mother. A、would have toldB、have been toldC、had been toldD、had told大学英语(1)
  • 缴纳社会保险和住房公积金中涉及到下列哪些业务处理内容? 会计信息系统开发与设计
  • 房间的开间和进深一般以100mm为模数。( )(A) 对 (B) 错房屋建筑学
  • 香农定理指出,如果模拟信号频谱最高频率为fmax.,只要按采样频率f≥( )A、5fmax B、3fmax C、2fmax D、10 fmax计算机控制系统
  • 21、A: Hi, Sun Yan! What are you busy with these days? B: I'm busy _ _ _ 21 _ _ _ for the Spring Festival. A: What do you mean by the Spring Festival? B: Don't you know about the Spring Festival? It's _ _ _ 22 _ _ _ your Christmas holiday. It's the most important holiday in China. A: Oh, I see. _ _ _ 23 _ _ _ is the holiday? B: About one week long. A: What do you usually do during the holiday? B: Lots of things, such as eating and drinking, playing majiang, going to movies and temple fairs (庙会), visiting relatives and friends and so on. In many places people like to set off firecrackers (鞭炮). It is very interesting. But now it isn't allowed in some big cities because it is not safe. A: Do you eat special food for the holiday? B: Yes, we eat dumplings. A: Do children like the holiday? B: Sure. Children can have delicious food and wear new clothes. They can also get some money from their parents. A: What is that money for? B: This money is given to children for good luck by their parents or other senior people. Children can use the money _ _ _ 24 _ _ _ a lot of things for themselves. A: That's very interesting. Thank you for _ _ _ 25 _ _ _ me so much about the Spring Festival. B: It's pleasure.统考英语完型填空