题目内容

Computer Virus is an intrusive program that infects computer files.

A. 对
B. 错

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Viruses often have damaging side effectssometimes intentional, sometimes not.

A. 对
B. 错

If a virus get into your computer, you must remove it immediately because viruses are very dangerous!

A. 对
B. 错

If you notice that your mouse “sticks”many times, maybe your computer has viruses.

A. 对
B. 错

If we use computer correctly, our computer will never get viruses.

A. 对
B. 错

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