题目

根据对话内容，用恰当的单词、短语或句子，补全对话 ,使对话完整通顺。(本题共5小题，每题2分,共计10分）A: Good morning, sir.   ________1__________?B: I’d like to buy a white shirt. Do you have any white shirts?A: Yes.   ________2____________?B: I want Size M.A: Here you are.B: Can I try it on?A: Sure. Is it all right?B: Yes. I like it very much.   __________3_________?A: 296 yuan.B: That’s a bit expensive. Do you have any other kind? I want a cheaper one.A: What about this one? It is only 108 yuan.B: OK. ________4___________. Here is the money.18．符合如图的反应为（　　）A．N2O4（g）?2NO2（g）B．CO2（g）+C（s）?2CO（g）C．2SO2（g）+O2（g）?2SO3（g）D．4NH3（g）+5O2（g）?4NO（g）+6H2O（g）