截止到2015年,全球处于使用状态的汽车数量已突破10亿辆以上,每辆汽车每年耗油1.8t,这些汽油完全燃烧放出的热量为 ____ J(q汽油=4.6×107J/kg).当汽车从身边经过时,我们会闻到汽油味,说明汽油分子在不停地做____ .
某地区的手机收费有两种方式,用户可任选其一:A、月租费20元,0.25元/分;B、月租费25元,0.20元/分.
A. sofa B. chair C. table D. phone E. fridge
This is my living room. My ____is near the window. The ____is near the door. The____is under the picture. The ____is on the table. Where is the cat? It's on the____