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【判断题】
对于某些零件,可按其在机械加工时所处的位置画出主视图,这样在加工于看图。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
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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