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【单选题】
已知某对称三相四线制电路,用三表法测量其三相负载的有功功率,则针对三块功率表的接线方式,下列描述错误的是( )
A.
三块功率表的电流线圈分别串在三个端线上
B.
每块功率表电压线圈的同名端与电流线圈的同名端接在一起
C.
每块功率表的读数相同
D.
每块功率表电压线圈的非同名端不一定 接在中线上
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皮皮学刷刷变学霸
举一反三
【单选题】下列各项中,不受管理当局短期决策行为影响的有 ()
A.
广告费
B.
融资性租赁费
C.
新产品开发费
D.
管理人员薪金
【单选题】Since entry into high school the students have been ____ staying up late in the evening and getting up early in the morning.
A.
admitted to
B.
allergic to
C.
accustomed to
D.
attached to
【单选题】_____, we kept removing the pistons.
A.
Late as it was
B.
As it was late
C.
Since it was late
D.
Because of its late
【单选题】I was surprised that she was late, ______ since she usually arrived early.
A.
specially
B.
especially
C.
extraordinarily
D.
particularly
【单选题】You will be late for school ________you hurry up.
A.
if
B.
since
C.
when
D.
Unless
【单选题】在下列采购类别中,那一个不属于按采购制度进行分类的类别( )
A.
政府采购
B.
集中采购
C.
分散采购
D.
混合采购
【判断题】孔子的 " 老吾老以及人之老,幼吾幼以及人之幼 " 使当时的社会尊老爱幼蔚然成风( )。
A.
正确
B.
错误
【单选题】其性趋下的病邪为:
A.
风邪
B.
湿邪
C.
暑邪
D.
火邪
【简答题】距离保护是利用正常运行与短路状态间的哪些电气量的差异构成的?
【多选题】网上商店采用的送货方式主要有
A.
快递
B.
送货上门
C.
邮寄
D.
门店取货
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