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问题 多项选择题

在进料状况不变的情况下，精馏塔塔顶产品采出量增加，则（）。

A、塔底产品纯度一定减小

B、塔顶产品纯度一定减小

C、塔底产品量一定增加

D、轻组分回收率一定减小

答案

参考答案：B, D

单项选择题

口渴欲饮水，但欲漱水不欲咽者属（）。

A.内有食积

B.内有积热

C.痰湿内停

D.内有瘀血

E.阴虚证
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单项选择题

Financing for a large construction project was provided by a group of banks. When the money was gone before the project was completed, the banks approved additional loans. Now, with funds used up again and completion still not at hand, the banks refuse to extend further loans, although without those loans, the project is doomed.
Which of the following, if true, best explains why the bank’s current reaction is different from their reaction in the previous instance of depletion of funds ？（）

A．The banks have reassessed the income potential of the completed project and have concluded that total income general would be less than total interest due on the old plus the needed new loans.

B．The banks have identified several other projects that offer faster repayment of the principal if loans are approved now to get those projects started.

C．The banks had agreed with the borrowers that the construction loans would be secured by the completed project.

D．The cost overruns were largely due to unforeseeable problems that arose in the most difficult phase of the construction work.

E．The project stimulated the development and refinement of several new construction techniques, which will make it easier and cheaper to carry out similar projects in the future.
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