工程项目进度计划的优化方法有()。
A.工期优化
B.系统优化
C.费用优化
D.方案优化
E.资源优化
参考答案:A, C, E
— Let's play table tennis after work, shall we?
— ________ I can't wait to do that. [ ]
A. Forget it!
B. Think nothing of it!
C. Why not?
D. Not at all.
安全库存量是根据市场预期需求而定的最小库存量。()