题干
It’s difficult to imagine it is like in that village after the earthquake.
A：when
B：what
C：where
D：which
答案(点此获取答案解析）
B
It’s difficult to imagine it is like in that village after the earthquake.
A：when
B：what
C：where
D：which
，集合N=
，全集U=Z，则
等于（ ）