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【判断题】
三相对称负载消耗的有功功率表达式为 P = 3 U p I p cos P = U L I L cos P ,式中 U p 、 U L 分别是相电压、线电压 (V) ; I p 、 I L 分别为相电流、线电流 (A) ; P 是相电压与相电流之间的相位差; P 是有功功率 (W) 。( )A.
正确
B.
错误
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举一反三
【简答题】A．disputes B．differences C．hunches D．humanities
【多选题】What are the advantages of studying the humanities?
A.
Studying the humanities can improve our ability to read and write.
B.
Studying the humanities makes us familiar with the language of emotion and the creative process.
C.
Perhaps the best argument in favor of the humanities is the scope of possibilities that are widely open to us.
D.
If we study the humanities alone, we are liable to miss many opportunities.
【单选题】互联网规定的 B类私网 IP 地址为 （51） 。
A.
172.16.0.0/16
B.
172.16.0.0/12
C.
172.15.0.0/16
D.
172.15.0.0/12
【简答题】According
to the author, what are the advantages of studying the humanities?A. Studying
the humanities improves your ability to read and write. B. Studying
the humanities makes you familiar with the l...
【单选题】互联网规定的B类私网地址为( )。
A.
172.16.0.0/16
B.
172.15.0.0/16
C.
172.16.0.0/12
D.
172.15.0.0/12
【单选题】According to the speaker, what is the society’s attitude toward the humanities?
A.
The humanities are as important as STEM.
B.
The humanities can widen people’s horizons.
C.
The humanities are less important than STEM.
D.
The humanities are more important than STEM.
【单选题】互联网规定的 B 类私网 IP 地址为
A.
172.16.0.0/16
B.
172.16.0.0/12
C.
172.15.0.0/16
D.
172.15.0.0/12
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