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【单选题】
已知某负载的端电压u=100Sinωt V,电流i=5Sin(ωt-30°)A,其视在功率为A.
100 VA
B.
250VA
C.
00VA
D.
不能确定
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举一反三
【单选题】The author suggests that Mahatma Gandhi could well serve as an imaginary speaker if you want to______.
A.
refute the prevailing opinion about technology
B.
express your regret over the building of railways
C.
change your mind
D.
defend industrial revolution
【简答题】《公司法》规定，我国的上市公司是指其股票在证券交易所上市交易的股份有限公司。（ ）
【简答题】A．Martin Luther King was the follower of Tolstoy. B．Mahatma Gandhi was greatly influenced by Tolstoy. C．One of Tolstoy's most important themes of his novels was non-violence. D．All of the above.
【单选题】听力原文： The great grandson of the Indian leader Mahatma Gandhi has settled on a 24-day march commemorating the seventy-fifth anniversary of the event which ultimately forced the India's British rulers t...
A.
Fifty years ago.
B.
Fifty-five years ago.
C.
Seventy five years ago.
D.
Seventy seven years ago.
【简答题】Who is Mahatma Gandhi?
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