第15题: [单项选择]T加工中心为全市60家超市配送饮料，T加工中心承诺商品完好率为98%。如果物流商品总量为4000千克，则T加工中心的缺损商品量不应超过( )千克。 A. 20 B. 40 C. 60 D. 80 参考答案:D 答案解析:[解析] 根据商品完好率=(交货时商品完好量/物流商品总量)×100%，则交货时商品完好量为4000×98%=3920(千克)，所以缺损商品量为4000-3920=80(千克)。
What does the man suggest the woman do（） A. Give the ring to a policeman. B. Wait for the owner of the ring in the rest mom. C. Hand in the ring to the security office. D. Take the ring to the administration building. 参考答案:C 答案解析:
[听力原文] W: I found an expensive diamond ring in the rest room this morning. M: If I were you, I
