存货的成本主要包括______。
A．采购成本
B．生产成本
C．变现成本
D．订货成本
E．储存成本
参考答案：A,D,E
用括号中所给词的正确形式填空。
1. Learning English has a lot of _____ (read) in China.
2. Can I have some _____ (many) food too?
3. My friend Elva is crazy about music. She is very _____ (music).
4. Betty is _____(help) and she _____(help) Mr Lu, a 75-year-old man, clean the
room every day.
5. Alan is very clever and can always answer questions _____ (correct).
当运动员因不良行为受到正式警告后，应在记分牌该运动员得分处放置一个（）
A.黄牌
B.红牌
C.绿牌
