如果主机的IP地址为215.136.8.16,那么该主机所属网络为____类网络。
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专用IP地址或叫做私有IP地址,只能用做本地地址而不能用做全球地址。
A. 对
B. 错
Hand ______ your test paper,please.
A. off
B. in
C. round
D. down
Why do you stand and watch the milk _______over?
A. to boil
B. boiling
C. boil
D. to be boiled
There is only one furniture in the room.
A. 对
B. 错