题目

补全对话，方框中有两个多余选项A: Good morning! 【1】B: Oh, I want to buy a jacket for my father.A: Look! There are many kinds of jackets for men. They are all on sale. B: 【2】A: They are 269 yuan each. B: 【3】 Can I take one with a lower(更低的) price?A: No, but there are some cheaper ones over there.B: How much is the blue one?A: 【4】B: But I only have 160 yuan.【5】A: Well, you can.A．They are too expensive!B．Can I take it?C．What can I do for you?D．How many jackets are there?E．How much are they?F．It is 175 yuan.G．What size would you like?强酸与强碱在稀溶液中发生中和反应的热化学方程式为H＋(aq)＋OH－(aq)=H2O(l) ΔH＝－57.3 kJ·mol－1，向3份同体积0.2 mol ·L－1的NaOH溶液中分别加入适量的稀醋酸、浓硫酸、稀硝酸，恰好完全反应的热效应ΔH1、ΔH2、ΔH3的关系正确的是 ( )A．ΔH1＞ΔH2＞ΔH3 B．ΔH2＞ΔH3＞ΔH1C．ΔH2＞ΔH1＞ΔH3 D．ΔH1＞ΔH3＞ΔH2