单选题
公共英语二级
2010-07-26
Which of the following is suggested by computer experts?
参考答案
A
答案解析
判断推理题。从第四自然段最后一句If an e-mail with at-tachment(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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