A:3.5m
B:3.6m
C:4.3m
D:5.1m
写出近义词
悲愤—____ 圈套—____ 热爱—____
When marriages ____ (破裂) (动词短语)children are swept into the vortex of their parents' embittered emotions.
电路中起到断路作用的是( )。