根据下面对话中的情景，在每个空白处填人一介适当的句子，使对话恢复完整。

(Li Ming and John have just jinished swimming.)

Li Ming: How nice and cool the water is!   1  . Let's have something to eat.

John: Souncls good.

Li Ming: Do you know   2  ?

John: Yes, there is a restaurant.

Li Ming:   3  ?

John: It's only five minutes' walk. Let's go.

(A few minutes Later.)

John:   4  ?

L Ming: Pop music. I often listen when I'm not busy. And you?

John: Light music. I think it can relax myself.   5  

Li Ming: Sure. I often listen to pop music on my way to school.

John: OK. I can lend you some CDs. I'll bring them to our school tomorrow.

1. ____________________

2. ____________________

3. ____________________

4. ____________________

5. ____________________

选择下列实验方法分离物质，将分离方法的序号填在横线上。

A．萃取分液 B．升华 C．结晶 D．分液 E．蒸馏 F．层析 G．过滤

（1）______分离饱和食盐水与沙子的混合物。

（2）______从硝酸钾和氯化钠的混合液中获得硝酸钾。

（3）______分离水和汽油的混合物。

（4）______分离CCl₄（沸点为76.75℃）和甲苯（沸点为110.6℃）的混合物。