上升沿触发的维持阻塞 D触发器，D=0、CP为下降沿到达时（ ）。
B
暂无解析
When we returned from our vacation, our nextdoor neighbors were ______ a new garage built.
区分不变资本与可变资本的意义有（）
At the end of the conference, all the_(participate) were asked to fill out a questiolmaire
我国国有企业经营机制所应实行的转换是()
产业资本循环的第三阶段是（）
