标明制定计划的单位名称和具体时间的是（）。
A.前言
B.主体
C.结尾
D.落款
参考答案：D
In my class some students love music, _____ are fond of drawing and _____ enjoy reading.[ ]
A. some; the other
B. others; the other
C. others; the others
D. some; others
衣服是棉和涤混纺有什么好处？
