(填空题) 四大基本组织分别是 ______、______、_______和 _______。(本

(填空题) 四大基本组织分别是 ______、______、_______和 _______。(本题4.0分)

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一个电容器耐压为250V,把它接入正弦交流电中使用时,加在电容器上的交流电压有效值最大可以是( )。

一个电容器耐压为250V,把它接入正弦交流电中使用时,加在电容器上的交流电压有效值最大可以是( )。A.250V B.200V C.177V D.150V

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She is _____ of expressing her viewpoints.

She is _____ of expressing her viewpoints.

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The professor said he could talk on _____ interest

The professor said he could talk on _____ interested the audience.

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