A. 储存保管 B. 衔接供需 C. 运输配送 D. 客户服务 E. 防范风险
A. No, thank you. I‘m on a diet. B. Yes, I‘ve had enough. C. You are so good at making it. D. Oh, I don‘t mind.
A. 少于200 B. 800-1200 C. 600-800 D. 400-600
A. 正确 B. 错误