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【单选题】
B2U8 P1A.
B.
C.
D.
D
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举一反三
【简答题】时间继电器的延时方式有两种:()和()
【简答题】时间继电器的延时方式有两种,即___和 ___
【简答题】时间继电器的延时方式有两种,即通电延时和 。
【单选题】— Have you heard that he was admitted into Beijing University? — Is that true? I’m glad that his efforts at last ______.
A.
worked out
B.
paid off
C.
turned out
D.
paid for
【简答题】时间继电器的延时方式有（ ）和（ ）两种。A. 通电延时 断电延时
【单选题】—Have you heard that he was admitted into Beijing University? —Is that true? And I'm glad that his efforts at last ___．
A.
took off
B.
paid off
C.
turned out
D.
paid for
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