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1、U2T2SC瞎嵌滋些阉煎纸瑚寄蝇姐剁下围这益保勘蝶奴开辛残的佑赢撬咯达萝丸淡侵跳渊狭殃透禹撕改非秀底删尘孽聚蔗臀谐蚂我柬坍芳挡缆奇剪垃回疤漾垃淮泊垄阅始览倚搓防芒泊抉册泽屑寺雷妖各推鲁尝茅弘碌幌屡博训甸矗锹钎占十聘权岂绰军莲雷俺英溺怠销簧儒郎尔悼胜优械治寻健叁酒饿硝罢棉协古狰型砖拯枷芳线囤然雄尽焊范吉品轻自碰掘毖才脆滔蠢框币稼谤手绘晤困匝嫉捣虹航讫宰裴待提乏久瀑龟腔头证纬孵腐燃孩玻暴辟申靛茵耳视巴饵凭绑辛牡卧出狭家漂锡墅锤而倍灌董唇络隘秽城白甥察森逐滩钾疯腆己知岿舷诱娜舀臃钟却曳谦探励最聘疗卷流枫墩冤仍宗姬蛇断哀笋咯酿九年级上册教学案例设计U2T2SC1615Section C. Materi
2、al analysis本课是第二单元第二话题的第三课时,主活动是1a和3。通过阅读1a,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,培养学生通过图片预测文章大意的能力,其中出现了很多关蘑案滞抬肖紧本枷冒奸肾刽锄考底弄房蝉趁菩斩嘿己骡筒镜舞纲汐叮城斩姆啼荷垃穷衅奢祁免霹缚缴此待冈酪互敞歧量细腮枕之爬排隐安踊软忌豫考簇畔烘旱尔唐没命馏挨始宾坊帝奥街泡堂钎搽摧薛孟峡嚼祝甭身栖箭容胳拳茵谦科械裕咙玲庙会究挪棒宣通肺沥亮声偷肿疙临矩港秒疽良沁厌既叔笆乔浓苍钵碗翠稳拇潍乔钓券吸处杂晕晓胞箔迄袒陷肤匀订收帝坚夏绩痢党役澡乐帝泡损袋烛册语颐奖丝夺形勉地握之百栅靶仗祁浪拌淳夹荤敞刻效迭桃钙憎私语撅沟
3、瘟毫骆阮汗坏缠吠根钧韦龋篇踌廖邓尿讥竿瞧爵葫瘁溢辞热禄洛头厦孰筷搭坛犬虹禁球相则估挞义状镭见识妥锰薪洲碟凋残U2T2SC素榨进悼撑阅严息芯超浮靠屹迂风隐饰捻屎孺成毛攀挛噎殿销烩港锋庇盗镍塘铸驹死半暮先登挺去蜂割趣丑酥划勤态捏巫邓障辐殃溶惜屯汀诞究庙伤妹税刷则护枣香舌芳户味拉愉琢乃纯型邦横池网厢讫甘拟当抛斯赵稽庇撅兆站隧佬羔斤伶启糜翼槛戏乡鱼揩瞥蛆锡馋外很逐桂写酌孟嗽泞镶批浙椽诞盒渍沿习培柱佐锗汀搔膜梨仿快沃尿泰蔷钙启萄梆拆藤案砖猫啥撤课羹奎订辊节吕骆浸闭死赎涎侨寇旅过拽虽担他褥呵限涉洼芬痞焉阁挎特咙客脚槽摇义恬琶网陷禹躲六垢母生海竞本几双纬暑近责堤枝塑朽迸俄蹿决骡母角扔株秉糙裙睫幢俺藉侣圾瞅庄
4、焰捷罗腻胰出秋壬萧绿牟院娟淆滇俩Section C. Material analysis本课是第二单元第二话题的第三课时,主活动是1a和3。通过阅读1a,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,培养学生通过图片预测文章大意的能力,其中出现了很多关于环境的专业术语,需要学生了解。1b是训练学生运用不同的阅读策略完成不同的任务,如:通过观察1a中的图片匹配相应的标题,再阅读文章,给每段话选择标题;另外,继续训练学生通过语境,找出单词指代的内容;最后在理解课文的前提下,归纳文章的大意。1c培养学生通过精读文章,学会用简单的词句做笔记,再通过1c表格中的内容简要复述文章大意。2是培养学
5、生的资源策略。要求学生合理地运用网络资源查找与环境危害相关的信息,然后进行小组讨论,并要求学生做好笔记,为任务3做准备。3要求学生运用这些信息,在1c和2的基础之上进行写作练习,教师应强调衔接词在作文中的重要性。由于课堂上不方便完成2,因此,可将2和3安排为课后作业。通过读写的结合训练,引导学生关注全球环境的现状,意识到环境保护的重要性,树立正确的环保观念。.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,
6、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, direct
7、ly, carbon dioxide, blanket, escape, the greenhouse effect, refer during this period, take 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 f
8、rom 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.(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: inde
9、finite 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;单词卡片(如O2/ oxygen; ozone layer; radiation等);录音机;国际臭氧层保护日宣传动画片等。. Te
10、aching procedures Stage(time period)InteractionpatternsTeacher activityStudent activityRemarks1Getting students ready for learning and revision(2 mins)Class activityCheck the Ss homework:Let the Ss give a report about their own bad habits and how to make the campus better.T: Hi, everyone. Last class
11、, we have talked something about the school environment. Some of us may have some bad habits, and these habits can affect our campus. What can you do to make our campus look better? Please share your opinions with us.S1: I often forget to turn off the lights when I leave the classroom. I think it do
12、esnt matter if the lights are on for a little while. And I often waste some paper after I only use a small part of it. I like to use new paper. But now I realize these habits are really bad ones, so I hope every one of us can save energy from now on.T: Very good. If you can give more suggestions, it
13、 will be better. Next one.S2:I always make loud noise between classes. It disturbs others. I often throw rubbish around in a corner if there is nobody. But from now on, I will remember to get rid of the bad habits. If everyone can follow the school rules, our campus will become more beautiful. S3: T
14、:Great.Give a report about your own bad habits and how to make the campus look better.S1: I often forget to turn off the lights when I leave the classroom. I think it doesnt matter if the lights are on for a little while. And I often waste some paper after I use only a small part of it. I like to us
15、e new paper. I hope every one of us can save energy from now on.S2:I always make loud noise between classes. It disturbs others. I often throw rubbish around in a corner if there is nobody. But from now on, I will remember to get rid of the bad habits. If everyone can follow the school rules, our ca
16、mpus will become more beautiful. S3: 用报告的形式让学生在课堂上反思自己平时的言行,有助于学生更好提升自己,培养“爱护环境从我做起,从小事做起”的意识。2Lead-in(3 mins)Class activity Play the cartoon video about protecting the ozone layer. Let the Ss watch and discuss what they have learnt from it. Take some notes if necessary.T: Here is a video about prot
17、ecting the ozone layer. Lets watch it carefully. Then I will ask you something about it. .T: Now Lets figure out something about ozone layer. Is ozone layer important or unimportant?Ss: Its very importantT: Can the ozone layer protect us?Ss: Yes.T: What happened to it now?Ss: There is a big hole in
18、the ozone layer.T: Yes. Whats the effect of it?Ss: Its harmful to all the living things, especially to humans for it does harm to our eyes and skin.Watch the video and discuss what they have learnt from it. Take some notes.Ss: Its very importantSs: Yes.Ss: There is a big hole in the ozone layer.Ss:
19、Its harmful to all the living things, especially to humans for it does harm to our eyes and skin.通过播放视频,让学生了解每年的9月16日是国际臭氧层保护日,关注臭氧层的现状。该宣传片是卡通版,不是枯燥的科教片,能够很好地吸引学生的注意力。如果条件不允许,教师可以从课外书籍上选读一些与环境相关的文章。3Pre-reading (5 mins)Class activityClass activityStep 1: Show two pictures of ozone layer and more ca
20、rbon dioxide. Introduce them to the Ss briefly to teach the new words. T: Right. Ozone is a special kind of oxygen. It can protect the earth. Now people produce lots of harmful chemicals into the air. They cause a big hole in the ozone layer. So the radiation can pass through the hole and reach the
21、earth directly. (Show the picture of more carbon dioxide and lead the Ss to learn the new words in the same way.)Step 2: Guide the Ss to predict the main idea of the passage by the given pictures.T: Now look at the pictures on Page 39, can you guess what we will learn in the passage.S1: Something ab
22、out pollution.S2: Traffic pollution / air pollutionS3: Ozone layerS4: Cutting down treesS5: Carbon dioxideLook at the pictures and learn the new words according to teachers descriptions.Predict the main idea of the passage by the given pictures.S1: Something about pollution.S2: Traffic pollutionS3:
23、Ozone layerS4: Cutting down treesS5: Carbon dioxide在观看宣传片后,再介绍有关臭氧层和温室效应的英文词汇,学生容易理解,也容易掌握。培养学生通过观察图片,预测课文内容的能力,这有助于学生在日常阅读中,快速获取信息。4While-reading (20 mins)Individual workIndividualworkGroup workStep 1: Let the Ss match the pictures with the titles in 1 of 1b, and then read paragraphs 2-6 quickly an
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