_________ occur(s) when, for any number of reasons, excessive investment in commodities (such as oil), securities (such as stocks and bonds), real estate, or collectible s drives up prices well beyond the item’s intrinsic value.
A. Economic crisis
B. Financial crisis
C. Economic recession
D. Economic bubbles
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Whichof the following is true about the World Trade Organization?
A. It was established on January 1, 1997.
B. It provides a framework for negotiating and formalizing trade agreements.
C. It is a non-governmentalorganization.
D. It intends to control international trade.
供应商鼓励采购方在规定期限内早日付款，而按原价格给予一定折扣的价格优惠方式，是
A. 数量折扣
B. 季节折扣
C. 现金折扣
D. 推广折扣
采购人员参与物料验收所花的人工费、差旅费、通信费等成本，属于
A. 物料成本
B. 订购成本
C. 存货成本
D. 缺货成本
C类物料的特点是
A. 金额巨大，品种数量较少
B. 品种数量繁多，但价格金额较少
C. 金额一般，品种数量相对较多
D. 金额和品种都是中等
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