题目内容
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[单选题]
The virus () thousands of computers within days.
A.affected
B.infected
C.effected
D.defected
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A.affected
B.infected
C.effected
D.defected
A.Two thousand feet.
B.Twelve thousand feet.
C.Twenty thousand feet.
D.Twenty-two thousand feet.
To diagnose influenza, the virus must be identified by using a microscope.
A.Y
B.N
C.NG
A、Maize chlorotic mottle virus
B、Arabis mosaic virus
C、Cucumbergreen mottle mosaic virus
D、Wheat streak mosaic virus
According to the passage,______.
A.more and more women are infected by HIV virus
B.women have more chances of being infected by HIV virus
C.the aim of the study in this passage is to understand how the virus works
D.many medical studies didn't answer any questions
A.violence
B.visit
C.virus
D.volunteer