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【单选题】
要改变直流电动机的旋转方向,可采用( )。A.
使电动机线圈中的电流增大
B.
使磁场增强
C.
改变电流方向
D.
以上都不正确
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反馈参考答案：
举一反三
【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 to 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】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, the future of Telekom company probably is
A.
very promising.
B.
definitely doomed.
C.
all in Ricke's hand.
D.
hard to predict.
【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 _________ .
【简答题】听第10段材料，回答第18~ 20题。 18. What happened to the author's company five years ago? [A]It made a great progress. [B]It developed a new type of product. [ C]It went out of business.
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