陕西省石泉县石泉中学人教版高二英语选修6教案：Unit4 Global warming period1 3页

石泉中学课时教案 ‎ 科目： 授课时间：第 周 星期 年 月 日 ‎ 单元（章节）课题 Unit 4 Global warming 本节课题 Warming up and Pre-reading 课标要求 旨在通过单元教学使学生经过思考、学习，认识到全球变暖的起因和它所带来的种种后果。同时鼓励学生进一步阐述地球所面临的其它严重问题，激发学生的环保意识。引导学生运用所学语言、句式表达自己对这些现象的看法，培养他们为自己的观点辩论的能力。‎ 三维目标 Knowledge goals: ‎ ‎1. Target language 目标语言 重点词汇和短语 energy, light (v.), heat (v.), renewable, non-renewable, fuel, blame, run out ‎2.Ability goals:‎ Enable the students to talk about different sources of energy and express their own ideas.‎ ‎3.Emotional goals: ‎ Help the students learn how to give their ideas about the use of energy.‎ 教材分析 Warming Up通过直观的图片，使学生对能源的用途和种类有一个基本的了解。让学生对当今人们开发和使用能源以及随之而来的种种影响有更深一步的思考和认识，从而为本单元主题Global warming 作了很好的铺垫。‎ 教学重难点 Enable the students to talk about different sources of energy and express their own ideas.‎ 提炼的课题 How to enable the students to talk about different sources of energy and express their own ideas using the expressions.‎ 教学手段运用 教学资源选择 PPT、练习册、学案 教 学 过 程 Steps Contents and lesson steps Aims Lead-in Show them the pictures and think what are renewable or non-renewable sources?‎ ‎…never run out ‎…will run out To introduce the unit topic.‎ To focus the Ss’ interest on it.‎ Brainstorming 1. Learn the new words and list what energy we use in our daily life.‎ 2. Where does all this energy come from?‎ Know some key points and make preparations for the next step.‎ Discussion 1. What are “greenhouse gases?”‎ ‎2.What should we do to prevent “greenhouse gases?”‎ To develop ‎ speaking skills.‎ ‎ ‎ Show time Ask some groups to share their ideas with us and see if they have known the simple ways to prevent “greenhouse gases?” using To develop ‎ speaking skills.‎ ‎ the expressions .‎ ‎ ‎ Have a quiz Give them some minutes to choose the best answers.(PPT)‎ Use what they have learnt to express themselves.‎ Homework 1) Find more information about“greenhouse gases?” .‎ 2) Do Exercise 1 、2 on page 27.‎ To extend their knowledge.‎ 预习内容布置 Preview the reading passage on Page 33.‎