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问题 多项选择题

（）解释国际间接投资的发生，都是以两国间存在利率差别为前提.

A.借贷互利说

B.古典证券投资理论

C.现代证券投资组合理论

D.两缺口模型

答案

参考答案：B, D

单项选择题

You are looking at the following data. Project A has a CPI of 0.8 and SPI of 1.2 and EV of 450. Project B has CPI of 1.2 and SPI of 0.8 and EV of 650. Which of the following statement is true ？（）

A．Project B is performing better because it has a higher earned value

B．Project A has schedule slippage and project B is ahead of schedule

C．Crashing project A is a good option

D．Crashing project B is a good option
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判断题

在天然底革上下裁各种底部件时，需要先将整片底革通片均匀。
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