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【单选题】
Tell John not to leave the house unless he ________ that the lights ________. [ ]A.
will make sure; will be turned off
B.
will make sure; will turned off
C.
makes sure; are turned off
D.
makes sure; will be turned off
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反馈参考答案：
举一反三
【多选题】使用netstat -ano命令进行主机当前连接查看时,以下哪种状态大量出现代表可能发生了扫描
A.
大量的针对不同端口的SYN_received
B.
大量的针对相同端口的SYN_received
C.
大量的针对不同端口的time_wait
D.
大量的针对不同端口的established
【单选题】－ ______ does your mother watch the Talk Show? － Once a week. A. How long B. H
A.
－- ______ does your mother watch the Talk Show? － Once a week. A. How long
B.
How often
C.
How soon
【单选题】While typing， Helen has a habit of stopping once in a while to give her long and flowing hair a smooth.
A.
occasionally
B.
simultaneously
C.
eventually
D.
promptly
【简答题】Once off that long High Street, he found himself in some very poor parts of the town.
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