1、 Book 6 Unit 4 Global warming一、教材剖析1、本节在教材的地位和作用“语言运用” （Using Language）是本单元综合利用语言材料进行阅读和写作练习。2、学科分析“语言运用”(Using Language)部分的“读和写”(Reading and Writing)让学生就 What can we do about global warming? 进行讨论。欧阳光给关爱地球组织杂志写电子邮件，请求帮助。杂志回信指出，群策群力，问题可解。3、教育分析通过本单元学习，让学生了解能源分为“不可再生能源” 和“可再生能源” ， 帮助学生树立“节约能源, 保护环境” 的
2、主人翁意识。4、课标要求读写要求: 能从文章中获取主要信息并能摘录要点；能提取，筛选和重新组织简单文章中的信息。能用文字及图表提供信息并进行简单描述；能写出常见体裁的短文，如报告或信函。5、教学三维目标知识与技能: 1To enable the students to know how to prevent global warming.2To get the students to learn the following useful new words and expressions: on behalf of，advocate，commitment，put up with，polluti
3、on，electrical，so long as，casual，and so on，motor，cans，circumstances，microwave，refresh，educator，contribution.3 To help the students learn how to write a poster.4To foster the students ability in skimming and looking up information in the reading text and improve the students reading ability.过程与方法: Rea
4、ding for specific information，summarizing，discussing and practicing.情感态度与价值观: 1To develop students sense of environmental protection.2To develop the students sense of cooperation with others to solve problems.6、教学重点与难点1The understanding of the reading passage.2The following key phrases: make a diffe
5、rence，put up with，so long as 3The following key sentences: (1) Together，individuals can make a difference.(2) It is OK to leave an electrical appliance on so long as you are using it.(3) Get your parents to buy things that are economical with energy.(4) Rememberyour contribution counts!4Teach the st
6、udents how to write a poster.二、教法、学法分析1、学情分析文科学生近期地理课中学习了“全球变暖问题” 。学生对“全球变暖”的成因，危害及应对措施等有了较为全面的掌握，而环保问题与我们的日常生活息息相关。因此，学生对此话题的背景知识并不陌生。这些为本单元的学习提供了基本保障。2、教学方法 1） 导入复习法2） 学生小组活动预测法3） 巩固提升法3、教学手段学案和多媒体相结合4、学法指导 预测法,查验法，合作学习法如何使用关键词小结大意三、教学程序解析Step 1 RevisionWhat are the bad effects of global warming?*
7、 A rise of several meters in the sea level * Severe storms, floods, droughts, famines* The spread of diseases * The disappearance of species Step 2 Lead-in: What can we do about global warming?Ask the students to make a list individually firstly, then exchange their opinions with their group members
8、. Ask each group to choose one of their members to collect their groups opinions and write them down on the blackboard.Step 3 Skimming and discussion1 Skim the second letter and summarize Earth Cares suggestions by using some keywords. Then compare them with what you have written down.Possible answe
9、rs: *Turn off the lights and electrical appliances when you are not using them.*Walk or ride a bike as much as possible.*Recycle cans, bottles and newspapers if you can.*Buy things that are economical with energy.*Plant more trees.*Be an educator.2Read the second email，and answer the following quest
10、ion: Does Earth Care agree with Ouyang Guangs opinion that individuals can have no effect?Possible answer: No，Earth Care does not agree.Step 4 Scanning 1 Introduction: form of the text2 Letter 1: Read and find out Ouyang Guangs problems.Problem 1:Problem 2:Letter 2: 1) Structures of writing an offer
11、ing suggestions letters: a. b. c.2) Read para1. and find out the writers opinions.Step 5 Practice随堂巩固练习I 根据括号内的提示用本单元短语将下列句子补充完整 1 Im writing _ (代表我母亲) to express her thanks for your gift.2 I cant _ (忍受)Ivy she never stops complaining.3 I dont mind your knowing it _ (只要) it goes no further.4 You sho
12、uldnt _ (对随意地) your clothing for a party.5 In sport _ (重要的是) is not the winning but the playing. II. 用所给词的适当形式填空。 1 There was _ (disagree) among doctors about the best way to treat the disease. 2 _ (pollute) from cars is the main cause of global warming. 3 The invention of paper is a great _ (contri
13、bute) to human civilization. 4 There are many _ (educate) who are against this plan. 5 They sell a wide range of _(electricity) appliances-washing machines, dish washers and so on.四、板书设计: Group 1Group 2Group 3Earth Care五、教学反思本节课设计合理，条理清楚，循序渐进。学生活动听说读写安排科学，学生参与度较高，效果较好。但作为一节读写课，写作指导和写作实践实施不够充分。另外，在学生思考时，教师有时过多干涉，影响学生独立思考。
