根据句意和首字母提示填入所缺单词。

1. —How is your father?    —He is f_____.

2. My n_____is Eric.

3.  Frank and Bob a_____good boys.

4.  I get up early in the m_____.

5.  Here is our name l_____.

6.  G_____ evening, Helen. What are you doing?

7.  —How are you?    -I'm OK. And y_____?

8.  —Let me help you.    -T_____ you very much.

在筛板萃取塔中，升液管或降液管是（）的通道

A.重相

B.连续相

C.轻相

D.分散相