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【单选题】
对供应链上的下游企业来讲，供应链上游企业的功能只是简单的提供物料，而不是要用最低的成本提供最好的服务。( )A.
正确
B.
错误
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【单选题】Man: It's really important to save a little money every month — you never know when you might need it. Woman: I don't know about that!
A.
agree
B.
disagree
【简答题】You never know when she's coming, for she just shows ______ when she feels like it, as if to tell everyone she is a superstar.
【简答题】Practice, my boy. Practice every second, for you never know when your chance will come. (Para. 5)
【简答题】某学习小组利用下图所示装置进行“铁与水气反应”和其他实验（略去了夹持仪器）． （1）仪器B的名称是______，石棉绒的作用是______． （2）B中发生反应的化学方程式是______． （3）加热E以前要对装置中的气体验纯，方法是：收集一试管气体，然后______． （4）已知有反应：Cu 2 0+2H + →Cu+Cu 2+ +H 2 0，则可用来检验反应后E中的红色固体中除Cu外是否含Cu...
【简答题】You never know when the unexpected will happen （无论你多么仔细地计划你的生活）
【单选题】Man: It's really important to save a little money every month — you never know when you might need it. Woman: I don't know about that!
A.
Skeptical
B.
Sincere
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