题目内容

在感性的正弦交流电路中，下列方法可提高电路的功率因数()

A. 在电路上并联电感
B. 在电路上串联电感
C. 在电路上并联电容
D. 在电路上串联电阻

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已知某交流电路的无功功率6Kvar，有功功率为8Kw，则视在功率为（）。

A. 14KVA
B. 14Kw
C. 10KVA
D. 10Kw

Choose the answer which contains the full adverbial without any extra words.1. Alice said goodnight to the children and quietly shut the bedroom door.

A. quietly
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C. and quietly shut

I've checked my homework really carefully but I can't find any mistakes.

A. really
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C. really carefully

The company built the new apartments as cheaply as they could.

A. cheaply
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C. as cheaply as they could