◎ 题干
There are so many viruses on the Internet. If ____ accidentally, the viruses may make
your computer break down.
A.downloading B.to be downloaded
C.downloaded D.being downloaded
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“ There are so many viruses on the Internet. If ____ accidentally, the viruses may makeyour computer break down.A.downloading B.to be downloaded C.downloaded D.…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。