We__________every word of the news.

We__________every word of the news. A.took down B.took off C.took away D.took ou

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At the end of the year there__________ a test on everything

At the end of the year there__________ a test on everything we have studied. A.

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--Do you have these shoes in size eight?--I' m not sure. I'

--Do you have these shoes in size eight?--I' m not sure. I' 11 just go and____

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串联型稳压电路是通过调整(  )的值达到稳压的目的。

串联型稳压电路是通过调整(  )的值达到稳压的目的。 A.调整管的UCE B.输出取样电压 C.稳压管的电压 D.以上都不对

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串联型稳压电路中,基准电压指的是(  )。

串联型稳压电路中,基准电压指的是(  )。 A.输出的取样电压 B.输出电压 C.稳压管的稳压值 D.以上都不对

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