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【判断题】
异步电动机的定子向负载输出机械能。
A.
正确
B.
错误
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【判断题】人体触电时,电流灼伤和电弧烧伤是由于电流的热量效应造成的。()
A.
正确
B.
错误
【单选题】The author's father applied for a job at the Martin Aircraft Company and his goal was ____ .
A.
to be a good worker with a special knowledge about his work
B.
to do everything assigned him willingly
C.
to be able to do whatever job there was in the factory
D.
to be a good supervisor himself in the future
【单选题】passage 1.docx The author's father applied for a job at the Martin Aircraft Company and his goal was ________
A.
to be a good worker with a special knowledge about his work
B.
to do everything assigned him willingly
C.
to be able to do whatever job there was in the factory
D.
to be a good supervisor himself in the future
【单选题】In the author's opinion, who is more unfortunate?
A.
Kerry Rudman.
B.
James T. Balog.
C.
Joel Smith.
D.
Rosemont's insurance company.
【简答题】构成数组的各个元素必须具有相同的 。
【单选题】The author's father applied for a job at the Martin Aircraft Company and his goal was ? .
A.
a
B.
b
C.
c
D.
d
【简答题】The author's father applied for a job at the Martin Aircraft Company and his goal was _________ .
【单选题】电灼伤是由于 ( ) 而造成的。
A.
电流的热效应或电弧的高温
B.
电流的化学效应
C.
电流的机械效应
D.
被电流熔化的金属微粒渗入皮肤表层
【单选题】灼伤是由于()造成的。
A.
电流的热效应或电弧的高温
B.
电流的机械效应
C.
电流的化学效应
D.
被电流熔化的金属微粒渗入皮肤表层
【单选题】人体触电时,电流灼伤和电弧烧伤是由于电流的()效应造成的
A.
机械
B.
火花
C.
热量
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