阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话，并将其番号填入题前括号内。

A．Can you help me?

B．What color would you like?

C．Can I help you?

D．Do you have a smaller one.E. How much are they?

F. What about this one?

G. What’s the price?

A:    1  

B: Yes, please. I want a skirt for my daughter.

A:    2  

B: Green or blue.

A: Look at the skirts over there. We have different colors.

Which would you like?

B: I think the green one is nice.   3  

A: It’s 150 yuan.

B: Oh, it’s too expensive(贵)

A:    4  It’s only 60 yuan.

B: It’s cheap, but it is big.   5  .

A: Yes. Here you are.

对汽车空调的冷冻润滑机油的要求是（）。

A、凝固点的温度应低

B、凝固点的温度应高

C、高温的流动性应良好

D、低温的流动性可不作要求