九年级英语上册《Unit 2 Saving the Earth》Topic 2 SectionA 教案 仁爱版

用心 爱心 专心 1 UnitUnit 2 2 SavingSaving thethe EarthEarth TopicTopic 2 2 AllAll thesethese problemsproblems areare veryvery serious serious SectionASectionA The main activities are 1a and 2 本课重点活动是 1a 和 2 Teaching aims and demands 教学目标 1 Learn a new word and some phrases as a result behavior in the beginning day by day die out 2 Learn some useful sentences 1 As a result air pollution has become a serious problem 2 Humans have come to realize the importance of protecting animals 3 Learn the indefinite pronoun and adverb 1 None of us likes pollution 2 Don t spit anywhere in public 3 Everyone should care for wild animals and plant more trees 4 Learn the importance of protecting the environment Teaching aids 教具 有关污染的和学生不文明行为的教学图片 小黑板 录音机 警示标语 Five finger Teaching Plan 五指教学方案 Step 1 Review 第一步 复习 时间 7 分钟 复习污染的类型及其危害 教师创设一个空气污染的情境 引入本课话题 1 教师收集一些有关污染的图片 让学生说出它们分别属于哪种污染 有何危害并提出 解决建议 T What kind of pollution is it Ss It is noise pollution T What harm can it cause S1 It can disturb others and make people feel uncomfortable and unpleasant S2 It does great harm to people s hearing It can even make people sick or deaf T How should we solve this problem S3 Don t always listen to loud pop music 学生可以在教师帮助下回答 2 教师创设一个空气污染的情境 引入本课话题 例如 教师一边拍身上的灰尘 一边 咳嗽着走进教室 然后描述 T It is too dirty and there is too much heavy smoke outside I can t stand it Ss Is it air pollution T Yes it is Step 2 Presentation 第二步 呈现 时间 10 分钟 展示 1a 的图片 导入新课 呈现本课生词和词组 讲解不定代词和不定副词的用法 教育 学生必须保护环境 用心 爱心 专心 2 1 教师展示 1a 的图片 导入新课 T Do you like the environment here Ss No we don t T Why Ss Because there is too much smoke T Yes We should stop burning coal It is said that China has become the world s largest producer and user of coal As a result air pollution has become a serious problem 板书并要求学生掌握 as a result T Now our government has realized the importance of protecting the environment 板书并要求学生理解 importance T We should do something useful to protect the environment too 板书并解释 something 是不定代词 其修饰语要放在它后面 something useful 2 播放 1a 录音 让学生带着问题去听 T Listen to the tape and answer the questions on the small blackboard 出示小黑板 1 What s the article about 2 What should we do as students 核对答案 3 男女生分角色朗读 T Let s read 1a together Boys Kangkang and girls Michael 4 让学生再读 1a 试着找出 1a 中的不定代词或不定副词 以及一些疑难点 T Read 1a again and try to find the indefinite pronouns or adverbs Step 3 Consolidation 第三步 巩固 时间 8 分钟 阅读 1a 完成 1b 开展分组活动加深对文章的理解 增强学生的环保意识 1 让学生齐读对话 巩固 1a 并完成 1b T Now let s read this dialog together again and then try to answer the questions in 1b as quickly as you can 核对答案 2 让学生分组活动 仿照 1a 编写对话 以达到学以致用的目的 T OK please work in pairs Try to make a new dialog with your partner according to the dialog in 1a Then I ll ask some pairs to act out your own dialog in the front of the classroom Example S1 Hi S2 what are you doing now S2 I m reading a book S1 What s it about S2 It s about the environment in the world It says that our environment is getting worse and worse And the pollution has been the most serious problem in the world S1 Yes But it s lucky that lots of governments have done something useful 用心 爱心 专心 3 for the protection of environment S2 It s known that nobody likes pollution But what should we do as students S1 I think first everyone should try to protect the environment around us and we shouldn t spit or throw the rubbish here and there We should protect the wild animals and plants S2 That s right we should do as much as possible to protect our earth Step 4 Practice 第四步 练习 时间 15 分钟 教师利用图片作引导 呈现部分生词和词组 让学生独立完成 2 然后听录音 完成 3 并 通过练习 分析不定代词和不定副词在句中的作用 总结它们的用法 1 教师展示多幅有关学生不文明现象的图片 T Environment is very important to us How about the environment of Kangkang s school Let s look at the pictures T 指着第一幅图中的男生 Is he polite or impolite Ss Impolite T Yes He is rude 板书并要求学生理解 rude 2 让学生观察图片 然后分组讨论图中人物的行为是否正确 T Are their behaviors good or bad 板书并要求学生掌握 behavior Ss Bad T I agree with you What should we do then We should make rules to change the situation Perhaps it s hard for us to follow the rules in the beginning But you will get used to them later on and our school will become better and better day by day 板书并要求学生掌握 in the beginning day by day T Discuss in groups of four then give a report 小组选代表汇报 3 教师让学生用不定代词或不定副词完成这封信 完成 2 用心 爱心 专心 4 T Here is a letter from Kangkang Is the environment of his school good or bad What did he say in the letter Please read 2 Choose the proper words to fill in the blanks 教师与学生核对答案 让学生认真地读这封信 分析不定代词和不定副词在句中的作用 引导学生总结出不定代词 副词的用法 4 教师用图片作引导 让学生对新的语法进行训练 达到学以致用的目的 展示一系列有标语的图片 T We know we should protect the environment As students what should we do To answer this question you should use the indefinite pronouns or adverbs in your sentences 教师可做适当的引导 S1 None of us should step on the grass S2 Don t throw rubbish everywhere S3 Nobody should pick the flowers S4 Don t spit anywhere S5 Everyone should care for animals T Yes you are right We should do everything we can to protect the environment 5 听录音 完成 3 T In the past people killed animals for their meat and skins Now some kinds of animals are becoming fewer and fewer And some animals are in danger of dying out completely 板书并要求学生掌握 die out T Listen to the tape and finish 3 教师与学生核对答案 然后解释语言点 Step 5 Project 第五步 综合探究活动 时间 5 分钟 让学生调查周围的人 有哪些行为对保护环境是不利的 应如何解决 写一份调查报告 然后讨论作为一名中学生应该和不应该做什么 以此制定一份班级或学校规则来增强学生 的环保意识 1 T Make a survey 让学生调查周围的人 有哪些不良的行为 应如何解决 Bad behaviorSolution 2 Homework Make some class rules or school rules about protecting environment 板书设计 用心 爱心 专心 5 All these problems are very serious Section A as a result But th