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【判断题】
单相桥式全控整流电路带串大电感的阻感负载时,晶闸管触发角 的移相范围是 。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】－Your dress is just wonderful! － . [ ]
A.
You are right, thank you.
B.
Thank you, and you?
C.
No, no, yours is the best.
D.
Thank you. I'm glad to hear that.
【单选题】— ﹍﹍is the best football player in your city? —Jerry.
A.
Do you think who
B.
Do you think whom
C.
Who do you think
D.
Whom do you think
【单选题】—You just think of yourself! —Why you think that way? [ ]
A.
must
B.
could
C.
should
D.
might
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