计划的功能有（）
A.协调活动
B.预测未来
C.减少浪费
D.便于沟通
E.有利于控制
参考答案：A, B, C, D
比15个27多290的数是多少？
Hardly could he ______ this amount of work in such a short time. [ ]
A. get through
B. get off
C. get into
D. get down
