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【单选题】
ping命令中参数-a的含义是A.
以IP地址格式来显示目标主机的网络地址
B.
指定要Ping多少次
C.
指定要发送到目标主机的数据包大小
D.
不停的向目标主机发送数据
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举一反三
【单选题】There seemed little hope that the explorers, ______ in the rainforest, would find their way out.
A.
having deserted
B.
to have been deserted
C.
to be deserted
D.
having been deserted
【单选题】There seemed little hope that the explorer,____in the tropical forest, would find bis way out.
A.
having been deserted
B.
having deserted
C.
to have been deserted
D.
to be deserted
【单选题】同一会计年度内开始并完成的劳务，应当( )，确认提供劳务收入。
A.
按完工百分比法
B.
在提供劳务交易完成且收到款项或取得收款权利时
C.
在收到款项时
D.
在资产负债表日
【简答题】同一会计年度内开始并完成的劳务，应当在提供劳务交易完成且收到款项或取得收款权利时，确认提供劳务收入。( )
【单选题】There seemed little hope that the explorer, ______in the tropical forest, would find his way through it.
A.
to be deserted
B.
having deserted
C.
to have been deserted
D.
having been deserted
【单选题】在同一会计年度内开始并完成的劳务交易,应当( )确认劳务收入。 A 在开始提供劳务时 B按完工百分比法 C在完成劳务时 D在收到劳务价款时
A.
在开始提供劳务时
B.
B按完工百分比法
C.
C在完成劳务时
D.
D在收到劳务价款时
【单选题】There seemed little doubt that the spread of a particular cultural trait did follow a specific regular pattern______.
A.
as a society adopted
B.
which a society adopted it
C.
as a society adopted it
D.
when a society adopted
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