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【单选题】
防火墙设置中，若设置“缺省过滤规则”为“凡是不符合已设IP地址过滤规则的数据包，允许通过本路由器”。这属于“宽”规则还是“严”规则?A.
宽
B.
严
C.
有
D.
都不是
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反馈参考答案：
举一反三
【简答题】He was too tired that he went to sleep as soon as he sat down. ____
【单选题】He was too tired ______ any further and was tired _______ sights.
A.
of going; of seeing
B.
to go; to see
C.
of going; to see
D.
to go; of seeing
【单选题】I felt he was a little _____ with me. Maybe he was too tired and didn’t feel well.
A.
nervous
B.
restless
C.
uneasy
D.
impatient
参考解析：
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