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【单选题】
交流电路中三相负载采用三角形接线，下列说法正确的是( )A.
相电压等于线电压
B.
线电流等于相电流
C.
线电压等于 倍的相电压
D.
线电流等于 倍的相电流
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举一反三
【单选题】I shall certainly not tell him the news. ________, it will go to his ears sooner or later.
A.
Besides
B.
Moreover
C.
Nevertheless
D.
Meanwhile
【简答题】消火栓的使用方法是什么？
【单选题】“Could you give these books to Mr. Mackintosh?” “Certainly, him about something else in any case, so it won’t be any bother.”
A.
I’ll see
B.
I see
C.
I can see
D.
I’ll be seeing
【单选题】--Could you take a message for Mr. Green? ---Certainly. I him about something at any case, so it may other.
A.
may see; isn’t
B.
see; won’t be
C.
will see; isn’t
D.
will be seeing; won’t be
【简答题】什么是边际报酬递减规律？这一规律适用的条件有哪些？
【简答题】简述室内消火栓的使用方法。
【简答题】A: Mr. Green is not in. ? B: This is Li from ABC Company. Would you please tell him that I phoned him and would have him return my call? A: Certainly.
【简答题】室内消火栓的使用方法有哪几个步骤?
【单选题】Don’t get him wrong, Bock begins, “Good grades certainly don’t hurt.” (Para. 2)
A.
Don’t give him a wrong answer, Beck begins, good grades surely do no harm.
B.
Don’t misinterpret him, Bock begins, good grades certainly do no damage.
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