液液分配色谱法的分离原理是利用混合物中各组分在固定相和流动相

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问题单项选择题

液液分配色谱法的分离原理是利用混合物中各组分在固定相和流动相中溶解度的差异进行分离的。分配系数大的组分（）大

A、峰高

B、峰面积

C、峰宽

D、保留值

答案

参考答案：D

选择题

–Look! The clouds are red and orange. They are so beautiful.

--Yes. They show it will be sunny tomorrow.

A．talk

B．mean

C．think

D．hope

选择题

—_____？

—They are in the drawer.[ ]

A. Where are Tom and Mary

B. Are they in the drawer

C. Where are my CDs

D. Where's the key