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问题 填空题

多音字组词。

难 nán(      ) 重 zhòng(      )  率 shuài(       )   藏 zàng(       )

     nàn (      )      chóng(      )            lǜ(       )       cáng(       )

答案

难过  苦难  重要  重复  率领  效率  藏族  躲藏

(答案不唯一)

单项选择题

Most computer systems are (71) to two different groups of attacks：insider attacks and outsider attacks．A system that is known to be (72) to an outsider attack by preventing (73) from outside can still be vulnerable to the insider attacks accomplished by abusive usage of (74) users．Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment,but also helps to prevent future attacks．These attacks are usually (75) by tools referred to as Intrusion Detection Systems．

（75）处填（）。

A．searched

B．checked

C．tested

D．detected
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判断题

2009版保养制度规定，空气压缩机出气冷却盘管及连接软管可以焊接修复。
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