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【单选题】
三相正弦交流电源的 U 、 V 、 W 三相电压的相位关系是A.
同相位
B.
相位彼此相差90
C.
相位彼此相差120
D.
相位彼此相差150
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举一反三
【单选题】The wealthy can have a ball in Paris.
A.
巴黎的财富在世界上也是有一席之地的。
B.
富人们在巴黎可以尽情玩乐。
C.
大款们可以到巴黎举办舞会。
【单选题】Economically, the world can be divided into two parts. The difference between them is that one part in poor and the other is wealthy. In the poor countries of the world, a lot of people never get enou...
A.
There are more wealthy countries in the world
B.
There are more poor countries in the world
C.
There are more wealthy people in the wealthy countries
D.
There are more poor people in the poor countries
【简答题】What do most professional football players find after signing a big contract, according to the passage?PASSAGE PASSAGE PASSAGE One of the saddest experiences in the world can be that of a professional...
【简答题】access equal financial poverty provide secure socialize 1. The camping company will ________ tents and sleeping bags to the visitors. 2. We cut the cake into ______________ pieces for each gue...
【简答题】Early to bed and early to rise makes a man healthy, wealthy and wise. This is an old English saying ( 谚语 ). It means that we should go to bed early at night and get up early in the morning. If we do, ...
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