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【多选题】
短路电流的大小与()有关。
A.
电网电压
B.
电动机的负荷
C.
电动机的额定功率
D.
电缆的长度
E.
电缆的截面
F.
变压器的容量
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【简答题】There are times when a practitioner may have legal, ethical and security (considerations) for (withholdong) information.
【简答题】ethical drug
【简答题】What is an ethical company?
【单选题】They discussed the problem three or four times,but could come to no_______.
A.
end
B.
conclusion
C.
result
D.
judgment
【单选题】In modern times, people have to learn to ______ all kinds of pressure although they are leading a comfortable life. [     ]
A.
keep with
B.
stay with
C.
meet with
D.
live with
【单选题】(Were) the Times Co. to purchase another major media company, there is no doubt that it (could) dramatically transform. (a family-ran) enterprise that still gets 90% of (its) revenues from newspapers.
A.
Were
B.
could
C.
a family-ran
D.
its
【判断题】整流器的作用是把交流发电机产生的三相 直流 电变成 交流 电输出,还可阻止蓄电池的电流向发电机倒流。
A.
正确
B.
错误
【单选题】整流器的作用是把三相同步交流发电机产生的交流电转换成
A.
交流电
B.
直流电
C.
低压
D.
高压
【单选题】整流器的作用是把三相同步交流发电机产生的交流电转换成
A.
交流电
B.
直流电
C.
低压电
D.
高压电
【判断题】At times, ethical considerations may involve making the interest of the research firm subservient to the client.
A.
正确
B.
错误
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