皮皮学，免费搜题
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【单选题】
应该使用哪个 TCP/IP 工具来最简便地判断互联网络中哪个路由器出现了故障( )A.
Traceroute
B.
Netstat
C.
Ping
D.
Ipconfig
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: Professor Hook was so strange today. M: I noticed that too. He was talking so quietly and then not giving us any homework at all. Can you believe that? Q: What can be inferred about Professor ...
A.
He usually talks quietly.
B.
He usually assigns homework.
C.
He didn't come to class today.
D.
He came to class late today.
【简答题】A．ignored B．neglected C．remembered D．noticed
【简答题】A．ignored B．neglected C．remembered D．noticed
【简答题】A．talked B．handled C．watched D．noticed
【简答题】A．ignored B．neglected C．remembered D．noticed