皮皮学，免费搜题
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搜题
【单选题】
假设一个主机IP地址为192.168.5.121,而子网掩码为255.255.255.240,那么该主机的网络号为多少?A.
192.168.5.112
B.
192.169.5.121
C.
192.169.5.122
D.
192.168.5.120
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皮皮学刷刷变学霸
举一反三
【单选题】In Conversation one: I don't want to make a fuss. Does this mean ?
A.
Janet wants to talk to the doctor about how she's feeling
B.
Janet doesn't want to talk to the doctor about how she's feeling
【多选题】5~84.除FX2N-3A和FX1N-8AV-BD/FX2N-8AV-BD的分辨率是8位,FX2N-8AD是16位以外,其余的模拟量输入输出模块和功能扩展板不是( )位。
A.
8
B.
16
C.
12
D.
24
E.
10
【单选题】I'd like to be a friend _____you. I don't want to make an enemy ____ you. [ ]
A.
of; of
B.
to; to
C.
to; of
D.
of; to
【简答题】已知向量 a =（x-1，2-y）向量 b =（y-2，x-1），若 a ∥ b ，则x 2 +y 2 =______．
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