五四运动标志着中国新民主主义革命的开端。这一运动爆发于[ ]
A、北京
B、上海
C、天津
D、南京
答案：A
The students are cleaning the room. _____ are cleaning the windows, _____ are cleaning the desks. [ ]
A. Some, others
B. Some, other
C. One, the other
D. One, others
学校课程的目的在于尽可能满足社区、学校和——的差异性。
