【教案】Unit 2 Topic 2 Section C 教案 仁爱版英语九年级上册

1、仁爱英语九年级上册Unit 2 Saving the EarthTopic 2 All these problems are very serious.Section C 教学设计.Teaching aims1.Knowledge aims： 掌握本课的重点词汇和短语，初步感知定语从句。进一步学习各种污染对地球造成的危害和造成这些污染的原因。2.Skill aims: 能读懂有关环境问题的文章。能根据不同的阅读目的，运用简单的阅读策略获取信息。能正确运用网络资源获取需要的信息。能用英语书面的形式表达环境问题的成因及危害。3.Emotional aims: (optional) 通过学习，了解环

2、境现状，帮助学生树立绿色环保意识。4.Culture awareness: (optional) 了解各种环境问题，如臭氧空洞，温室效应等，意识到环境问题的严峻形势。. The key points and difficult points1. Key points: Words and phrases: hole, form, rise, oxygen, ozone layer, radiation, directly, carbon dioxide, blanket, escape, the greenhouse effect, refer, during this period, tak

3、e away, pass throughSentences: (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 leve

4、l of the oceans to rise and the climate of the earth to change.(5) When it rains or when the wind blows, the earth is taken away.(6) The heat from the sun cant escape, so the temperature is rising.Grammar: indefinite pronoun and adverb2. Difficult points： 理解有关环境方面的专业术语。能读懂与环境问题相关的科普类文章。能运用所学知识，写出谈论环

5、境现状的文章。. Learning strategies能在阅读不同体裁的材料时，运用不同的阅读策略获取信息。善于利用插图预测科普类文章的内容。能合理运用网络资源，拓展写作思路和开拓视野。恰当使用连接词，使自己的作文流畅，有逻辑层次。. Teaching aids与环境相关的图片；国际臭氧层保护日宣传片等。. Teaching proceduresStep 1. Review课前练习，复习Section AB的内容。Step 2. Lead in出示地球妈妈生病的图片，导入环境问题。Step 3. Pre-reading出示环境问题的图片和一些提示词，让学生说一说。教授单词：oxygen, o

6、zone, hole, radiation, form, blanket, escape, rise. 词组：take away, ozone layer, carbon dioxide, the greenhouse effect.Step 4. While-reading1.给图片连线，预测文章内容。2.阅读文章，完成1b第1题。教授单词：directly。3.再读课文，完成1b的第2,3,4,5小题。4.观看视频，跟读。Step 5. Post-reading1.同桌合作，完成1c的表格填空。2.小组合作：根据课前搜集的资料，谈论环境问题及其影响。3.根据1c的表格和活动2讨论的结果，写

7、一篇短文。完成活动3。Step 6. Summary1.小结本课知识点。2.练习。3.布置作业。. Blackboard designUnit 2, Saving the EarthTopic 2 Pollution has caused too many problems.Section C(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) It causes the level of the oceans to rise and the climate of the earth to change.(4) When it rains