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外语
A、Something can be done to keep our computers safe. B、Even an e-mail attachment coming from a friend may not be safe to open. C、
A、Something can be done to keep our computers safe. B、Even an e-mail attachment coming from a friend may not be safe to open. C、
admin
2009-09-15
98
问题
选项
A、Something can be done to keep our computers safe.
B、Even an e-mail attachment coming from a friend may not be safe to open.
C、We should not use our computers to defend ourselves from viruses.
D、Anti-virus software made some years ago is hard to protect today’s computers.
答案
C
解析
选项A、B、D的内容在文章中均有体现,可是选项C是荒谬、错误的。我们按照基本的常识就可以将它排除。计算机不能因为有感染病毒的可能,就关机不再用了。所以正确的答案为C。
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本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
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