—Do you get a ________out of teaching English to little children?
—No, they are monsters. I'd rather be a babysitter changing diaper.
A:kick
B:fun
C:success
D:view
1920年,苏俄重工业产量比“一战”前减少87%,轻工业产量也大幅度下降,粮食产量也只有“一战”前的一半。因此,1921年苏俄开始实施( )