用词、短语或句子补全对话。

A: 1._______?

B: I have bread and milk for breakfast.

A: Do you eat eggs?

B: Yes  , I do.

A: Well. 2. _______?

B: Two eggs.

A: I know,  3. _______?

B: I drink milk every day.

A: 4._______?

B: Not very much.  But my father 5._______ me to drink it, he says milk

    6. _______ my health. 7._______?

A: Cola is my favorite drink.

B: I think drinking too much cola is 8._______ your health. Cola is junk food, so try to drink less.

A: OK, I will.  

|x+2|+|x-8|=a以有无数正根．
(1)-4＜a＜4； (2)a=4．