当精馏塔应为泡点进料而改为冷液进料时，则（）。A、精馏段塔板

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问题单项选择题

当精馏塔应为泡点进料而改为冷液进料时，则（）。

A、精馏段塔板数过少

B、提馏段塔板数过多

C、塔顶产品质量可能会提高

D、塔底产品质量可能会提高

答案

参考答案：C

单项选择题

She hardly ever eats （） potatoes.

A.bread not

B.bread or

C.neither bread or

D.neither bread nor

单项选择题

Which of the following statements concerning asset-backed securities (ABSs) is FALSE（）

A. The asset-backed pool may be overcollateralized to provide a credit enhancement.

B. The assets are typically placed in a special purpose vehicle to shield them from the firm’s creditors.

C. ABSs typically have lower debt ratings than the firm’s other borrowings.