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【判断题】
对称三相电路，负载为星形连接，测得各相电流均为5A，则中线电流IN=1A；当U相负载断开时，则中线电流IN=5AA.
正确
B.
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【简答题】Why would people in the UK be more likely to pay a service charge despite receiving bad service?
【单选题】He________a dollar bill in the suit he was throwing into the washing machine. [ ]
A.
came about
B.
came along
C.
came across
D.
came off
【单选题】He________a dollar bill in the suit he was sending to the cleaner’s. [ ]
A.
came to
B.
came out
C.
came across
D.
came up
【简答题】Why would people in the UK be more likely to pay a service charge despite receiving bad service?
【简答题】31-问题2.3-2:长期食用农药超标的蔬菜水果会对人体的什么系统造成损害?( )。A. 神经 B、消化 C、泌尿 D、内分泌
【单选题】I don’t think ( ).
A.
that he came to the concert yesterday true.
B.
true that he came to the concert yesterday.
C.
it that he came to the concert yesterday true.
D.
t true that he came to the concert yesterday
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