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【单选题】
SD 代表西门子 S7 中的( )定时器A.
脉冲定时器
B.
接通延时定时器
C.
扩展脉冲定时器
D.
断开延时定时器
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【简答题】My parents' marriage was a __________ of its time — those years of the so-called cultural revolution, with no wedding ceremony and no honeymoon.
【单选题】My parents' marriage was a __________ of its time — those years of the so-called cultural revolution, with no wedding ceremony and no honeymoon.
A.
classic
B.
finance
C.
inquiry
D.
replacement
【单选题】17Wherever you go in China, it is a common sight that people _________ whether it is a restaurant, a bank, a hospital or a subway station.
A.
reflect on
B.
stand in line
C.
set foot in
D.
stay put
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