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Why should anti-virus software be updated at least once a week? Which of the following is suggested by computer experts?
Why should anti-virus software be updated at least once a week? Which of the following is suggested by computer experts?
admin
2009-04-15
63
问题
Why should anti-virus software be updated at least once a week?
Which of the following is suggested by computer experts?
选项
A、Don’t rush to open any e-mail attachment.
B、Never open any e-mail attachment.
C、It’s always safe to open an e-mail attachment from a friend.
D、Whenever you receive an e-mail, you should make a call to make sure whom it comes from.
答案
A
解析
从第四自然段最后一句 If an e-mail with attachment (附件) comes from an unknown sender,or unexpectedly from a known sender,it should not be opened.可知,不可以盲目地打开邮件的附件。所以正确的答案为A。
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公共英语二级笔试题库公共英语(PETS)分类
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公共英语二级笔试
公共英语(PETS)
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