unit 2 saving the earth topic 2 sectiona 开学必备教案 仁爱版九年级上
5页1、Unit 2 Saving the EarthTopic 2 All these problems are very serious.SectionAThe 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 out2. 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) Dont spit a
2、nywhere 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 gre
3、at harm to peoples hearing. It can even make people sick or deaf.T:How should we solve this problem?S3:Dont 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 cant 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。1. (教师展示1a的图片,导入新课。)T:Do you like the environment here?Ss:No, we dont.T:Why?Ss:Because ther
4、e is too much smoke.T:Yes. We should stop burning coal. It is said that China has become the worlds 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 resultT: Now our government has realized the importance of protecting the environment.(板书并要求学生理解。) importanceT: 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 useful2. (播放1a录音,让学生带着问题去听。)T: Listen to the tape, and answer the question
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