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问题 单项选择题

在进行投资评价时（）

A、只有当企业投资项目的收益率超过资本成本时，才能为股东创造财富

B、当新项目的风险与企业现有资产的风险相同时，就可以使用企业当前的资本成本作为项目的折现率

C、增加债务会降低加权平均成本

D、不能用股东要求的报酬率去折现股东现金流量

答案

参考答案：A

完形填空
完形填空。
     Hello, I'm Li Wei. Tom, Mary and Roy __1__ my friends. Tom and Mary are from the U.S.A., and
Roy __2__ from Germany. I'm Chinese. We're not from __3__ country (国家), and speak __4__
languages (语言), __5__ we are good friends. They live __6__ their own country with their fathers and
mothers. I often __7__ letters from __8__. In summer (夏天), they often __9__ to China and visit the
Tian'anmen Square ( * * ), the Great Wall and the Forbidden City (紫禁城). They __10__ China and
Chinese food very much. We are friendly (友好) to them, too.
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( )4. A. the different
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( )10. A. have 		B. are
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多项选择题

发动机的工况包括（）。

A.启动和怠速工况

B.中等负荷工况

C.全负荷和大负荷工况

D.加速工况
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