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What should you do to protect your computer from a virus? You must make sure that you have an ______ . How do you know that y
What should you do to protect your computer from a virus? You must make sure that you have an ______ . How do you know that y
admin
2013-11-14
35
问题
What should you do to protect your computer from a virus?
You must make sure that you have an ______ .
How do you know that your computer is infected?
You know it by ______ your computer for virus with a software program.
选项
答案
scanning
解析
从原文“you may think you have a virus, but how do you rely tell? You scan your system for viruses with a software program”可以得到答案。题干中scan作by的宾语,所以转化为scanning。
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大学英语三级B级题库大学英语三级分类
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大学英语三级B级
大学英语三级
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