高中英语人教版选修6Unit4globalwarmingreading教案（系列四）.docVIP

Unit 4 Global warming Reading The earth is becoming warmer - But does it matter? 教案 Teaching goals 教学目标 1. Target language 目标语言 a. 重点词汇和短语 compare, phenomenon, graph, fuel, trap, data, climate, catastrophe, consequence, range, per, glance, compare to, come about, fierce debate, result in, build up b. 重点句式 There is no doubt that the earth is becoming warmer. P26 Without the慻reenhouse effect? the earth would be about thirty-three degrees Celsius cooler than it is. P2626 They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide. P26 2. Ability goals 能力目标 Enable the students to talk about the causes and effects of global warming. 3. Learning ability goals 学能目标 Help the students learn how to talk about the causes and effects of global warming and express ideas about what people should do about it. Teaching important points教学重点 Help the students learn how to debate over the topic “We should do nothing about global warming.” Teaching difficult points 教学难点 Enable the students to learn the writing skills of the text and get a better understanding of articles of this kind. Teaching methods 教学方法 Listening, reading and group work. Teaching aids 教具准备 A recorder and a computer. Teaching procedures ways 教学过程与方式 Step ⅠRevision Check the homework. Review the useful expressions about agreement and disagreement. Show the students some pictures on the screen. The students have to give names of different energy sources relative to the pictures and deicide which energy sources are renewable and which are not. Then ask the students to tell the effects of using these energy sources. Step Ⅱ Pre-reading[来源:学科网ZXXK] Show a picture of greenhouse on the screen. T: Now look at the picture. What is it in the picture? S: A greenhouse.[来源:学。科。网] T: Right .Who can tell me what it is used for? Sa: A greenhouse is made of glass and is used for growing plants, especially during cold weather. T: Yes, you are right. And how does it work