题目内容
(请给出正确答案)
[单选题]
Is Li Ping putting____________ a map of China____________ the wall?
A.up…up
B.up…on
C.on…on
D.on…up
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A.up…up
B.up…on
C.on…on
D.on…up
Li Ping’s father told him never to_____ the study of English.
A.give out
B.give up
C.give in
D.give back
最常用的诊断故障的命令是ping,它使用了哪个协议()。
A.ARP
B.ICMP
C.RARP
D.PING