题目内容

吸收操作的目的是分离()

A. 气体混合物
B. 液体均相混合物
C. 气液混合物
D. 部分互溶的均相混合物

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吸收过程是溶质()的传递过程。

A. 从气相向液相
B. 气液两相之间
C. 任一相态
D. 以上答案均错误

Listen to the conversation again and complete the following setences with what you hear.1.The website was so busy that it took me hours to () the Online Course Registration System.

The website showed that there was no seat ( )the course I wanted to register for.available for

The school really needs to do something to( )the website.