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仁爱版英语精品资料（精修版）九年级（上）英语 导学案 班级 姓名 课题学习目标1. Learn some new words and phrases:on earth, period, millions of, take away, rise, level, refer to2. Learn some useful sentences: (1) When it rains or when the wind blows, the earth is taken away. (2) The heat from the sun cant escape so the temperature is rising.3. Learn to talk about the harm of pollution:(1) Forests have become deserts, so more and more sorts of animals and plants are disappearing.(2) As a result, many rivers and lakes are now dead. (3) Too much harmful radiation from the sun passes through the hole and reaches the earth directly.(4) It causes the level of the oceans to rise and the climate of the earth to change.4. Develop the students sense of environmental protection. 学习重点Learn some useful sentences:and talk about the harm of pollution:学习难点environmental protection. 教学方法和教学时数采用多媒体教学方法，小组合作探讨，师生问答等方式1 period学 习 过 程学习内容（学生活动）学习方法教师知识讲解一、 学前准备检查作业，引导学生开拓思维，提出保护环境和水资源的具体措施，复习不定代词和副词。为学习新词汇作准备。根据句意及首字母提示补全单词。1.During this p_ we have changed our planet a lot in many ways.2.First you must dig a h_ before planting a tree.3.The flood nearly reached roof l_.4.I hope the boy wont have bad b_ as before.5.When the sun r_, everything is bright.学生课前 完成教师通过日常对话，借助1a中的图片，创设情景，导入新课，呈现新的词汇。1. (教师由日常对话，引出本课话题，呈现部分新词汇。)2.让学生快速阅读1a，用所给的词组填空。完成1a。) 教师出示小黑板上的问题，让学生再读一遍课文后回答。)二、 独立思考、解决问题检查作业，并找学生汇报结果，引导学生如何保护水资源。)T:How do you protect our environment and save water?S1:Everyone should plant more trees.S2:We should do everything we can to save water.S3:Everybody should know the importance of forests.S4:Pass laws against water pollution.S5:Collect and reuse waste water学生自主学习课堂展示三分组讨论 合作探究让学生讨论各种危害地球的污染方式，并就有关污染写一篇短文，培养学生综合运用语言的能力，增强学生的环保意识。T: OK, until now, we have learned so many kinds of pollution. Now please work in groups and discuss them. After a moment, Ill ask some students to report it. 小组合作完成组内交流课堂展示三、 自学反馈 精讲点拨1while 并列连词，“而，却”，表示对照关系。while- 在时 - 从属连词，常引导含有延续动词的时间状语从句，表示一个动作在进行的同时，另一个动作也在发生 while- 一会儿，一段时间 - 名词 常用短语：for a while - 一会儿2.take away 拿走，取走3.rise - 升起，上升 (不及物动词) 拓展：raise 举起，提起，抬起 ； 筹集 (及物动词小组内交流并选取代表归纳总结五、课后练习1.根据给出的提示词写一篇小短文，可先口述。)T: Write a short passage with the key words given.(板书关键词。) (1)changein many ways(2)important, destroy, too much, harmful radiation, cause cancer(3)increase a lot, blanket, rise, change(4)serious, do something二.词汇。（10分）(A) 根据句意及首字母提示补全单词。1.During this p_ we have changed our planet a lot in many ways.2.First you must dig a h_ before planting a tree.3.The flood nearly reached roof l_.4.I hope the boy wont have bad b_ as before.5.When the sun r_, everything is bright.三.情景交际。（5分）A: Where have you been, Mike? I phoned you, but you werent in.B: 11 A: Why did you go there?B: 12 It has made several old people who live nearby sick.A: 13 B: Do you think“Greener China”can do something?A: 14 I think we should write a letter to the newspaper about the pollution.B: 15 Its our duty to protect the environment.A.Ive been to a farm.B.Good idea!C.Ive been to a rubber factory.D.Because I found the factory pouring waste water into the river.E.Thats terrible.F.What should we do to stop it?G.Yes, of course.独立完成小组内检测教 学反 思编写:张云霞、祁德玉、江黎、左坤静 校审:顾德金
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