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【单选题】
把网络 10.1.0.0/16 进一步划分为子网 10.1.0.0/18 ,则原网络被划分为 个子网。A.
2
B.
3
C.
4
D.
6
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皮皮学刷刷变学霸
举一反三
【单选题】Have you ever passed a border crossing between two countries? If so, you were probably questioned by a customs inspector. A customs inspector often asks travelers what they are bringing into the count...
A.
in return for money and a free trip
B.
to help an old friend
C.
in hopes of selling them
D.
to get rich quick
【简答题】Try not to pay an ______ visit to others' homes because it is impolite. (announce)
【单选题】以下ESD电压判别常识错误的一项是?
A.
无任何感觉：2000V
B.
听到放电声音：2 000~3 000V
C.
能够感觉到：3 000~4 000V
D.
能够看到：大于5 000V
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