甲乙是某同学设计的两套制取二氧化碳的发生装置,对两套装置分析不正确的是( )
A:此时甲装置中的止水夹M处于关闭状态
B:甲装置气体导出过程中容器内外气压相等
C:甲装置具有启普发生器的功能
D:乙装置N处添加止水夹可以与甲装置具有相同功能
Chen Yunlin said that the two sides across the Taiwan Straits would overcome the difficulties________they joined hands to find solutions and help each other.
如图所示,匀强磁场与圆形导体环平面垂直,导体ef与环接触良好,当ef向右匀速运动时( )
—How about going out for a walk?
—Sorry. I prefer_________ at home rather than ___________ out for a walk.