某企业规定的信用条件是“3/10，1/20，N/30”，一客户从该企业购入原价为10000元的原材料，并于第l8天付款，则该客户实际支付的货款为（） ["9700元","9800元","9900元","10000元"]
保证冷冲生产质量的措施有哪些？
Q酶
客服代表接待投诉最基本的态度是（）。 ["保持镇定，仔细聆听","就事论事，不偏不倚","虚心接受错误"]
The various pumps and lines are （） to some extent so that each pump can act as an alternative for another. ["interlocked","interconnected","interfered","interacted"]
简述上级听取下级汇报时应注意的礼仪。
