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According to the passage, which of the following is true?A.Scientists have found a way to
According to the passage, which of the following is true?
A.Scientists have found a way to get rid of the viruses.
B.The Jerusalem Viruses are a great harm to human's health.
C.The viruses will come to a new computer after staying in the old one for some time.
D.Last year four countries found out their computers were infected by viruses.
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