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【判断题】
对称三相电路中,其瞬时功率是不随时间变化的常数。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】So difficult _____ it to live in an English-speaking country that I determined to learn English well. [ ]
A.
I did feel
B.
did I feel
C.
I have felt
D.
have I felt
【单选题】So difficult ________ it to live in an English-speaking country that I was determined to learn English well．
A.
I have felt
B.
have I felt
C.
I did feel
D.
did I feel
【简答题】A．Speaking. B．Good idea. C．I hope so. D．I will.
【简答题】So difficult ________ it to live in an English-speaking country that I determined to learn English. A．I have felt B．have I felt C．I did feel D．did I feel
【单选题】2017年10月18日是召开( )会议的日子。
A.
中国共产党第十九次全国代表大会
B.
中国共产党第十九届中央委员会第一次全体会议
C.
中国共产党第十八次全国代表大会
D.
中国共产党第十八届中委员会第四次全体会议
【单选题】My __________ is very poor, so I decide to go to __________ countries. [ ]
A.
spoken English, speaking English
B.
English spoken, English-speaking
C.
spoken English, English-speaking
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