题目

根据对话内容，从方框内选出能填入空白处的最佳选项。其中有两项为多余选项。A: Hi, Lin Tao! What are you going to do after the final exam?B: 【1】Perhaps I’ll stay at home. What about you?A: I plan to visit Beijing. But I haven’t made up my mind to do that.B: Beijing? It is too hot to go there in summer. Instead, you’d better go somewhere cool.A: Somewhere cool?【2】B: Sounds like a great idea. It’s a really good place to have fun.【3】A: Really? When did you go there?B: During the summer vacation of the year 2015.A:【4】B: It’s great. The beau下列事例中，通过做功的方式改变物体内能的是A. 在火炉上烧水，水温升高 B. 冬天利用热水流过暖气片来取暖C. 两手相互摩擦，手的温度升高 D. 在饮料中放入冰块，饮料变凉