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1、Class_Name:_Group:_Assessment:_ Unit 4 Global Warming Period 1 reading Learning aims: 1. Know well the global warming 2. Enable the students to talk about different sources of energy. Important point: Learning about effect the global warming brings human being. Difficult point: To improve the skills
2、 of reading. 使用说明及学法指导：1. 通过阅读课本 P25-27，完成预习案。2. 完成时间：30 分钟。 预习案预习案 Previewing Case Task 1 Divide the text into 4 parts and match the idea of each part. Part 1(Para _) Two different attitudes among scientists towards global warming. Part 2 (Para _ to _) Whether people should do something about globa
3、l warming or not. Part 3 (Para _to _) How global warming comes about. Part 4 (Para _) Introduce a debate over the issue of global warming. Task 2 Careful reading Part 1 1) Who wrote the magazine article? What is the name of the magazine? _ _ Part 2 2) What are graph 1 about?_ 3) What is the reason o
4、f the increase in the earths temperature? _ _ 4) What will happen if we add quantities of carbon dioxide into the atmosphere? _ _ Part 3: List Charls Keelings, Dr. Janice Fosters 由于 _ 6 少量的气体 _ 7 大量的_8 容易被困_9 上升 _ 10 导致 _11 一方面 另一方面 ._ 12 反对 _ 13 更大范围的动物 _ 14 在大气中聚集 _15 持续变暖 _ 16 在未来的几十年和几个世纪内 _ 课后巩固课后巩固 完成同步检测完成同步检测
