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仁爱版九年级上册Unit 2 Saving the Earth Topic 2 Section C讲学稿【精校版】.doc

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    • 仁爱版精品英语资料(精校版)《Unit 2 Saving the Earth Topic 2 Section C》学习目标与要求:1. 学习factory pollution, carbon, carbon dioxide等污染对地球造成的危害和造成这些污染的原因 2. 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模块一:温故知新学习内容翻译下列句子1. 水对人类是非常重要的,但并不是每个人都知道如何保护和节约它2. 砍伐树木对人类、动植物都有害human beings,animals and plants模块二:自主学习 (独立进行)预时25分钟(Self-study & Self-exploration)学习内容摘 记Step 1 词汇学习----请将 P37-38的新单词在抄写本上每个抄写6遍,中文一遍Step 2 短语学习-----请同学们在课本上找出下列短语,英汉互译要求:短语在课本上划出)①the ozone layer _____________ ②carbon dioxide _________________________③The word it in the passage refers to …____________________④拿走;取走 _______ __________ ⑤全世界____________________⑥涉及;提到;指的是___________________ ⑦温室效应 ⑧海平面________________ Step 3 课文学习 1、 理解课文P37-1a,并从短文上面的短语中为每段挑选出合适的题目,写在短文前的横线上。

      2、 再一次阅读短文1a,完成1bStep 4 句型及词的用法学习----知识点归纳4.1. Some things we’ve done are very good for the earth while some are bad. 译: 【归纳】:1) we’ve done为定语从句,修饰_____________2) be good for… 译为:_____________ 反义词组:_______________3)while在句中译为:______________,相当于___________,表示对比如:Her sister likes reading while she likes singing. 她妹妹喜欢看书,而她喜欢唱歌请观察下列句子中的while:① While I was doing my homework, my mother was cooking. ② We are going away for a while. 归纳:①句中的while 译为:__________,作连词,常用来引导含有延续性动词的时间状语从句。

      ②句中的while译为:_______________, 作名词4.2. When it rains or when the wind blows, the earth is taken away. 译: 1)take away 译为:________________2) take的现在分词:______ ;过去式:_______ ;过去分词:_______ 3)与take 有关的短语有很多,看看你能写出多少?①脱下,(飞机)起飞________________;②把…带到…去________________;③轮流,替换______④带某人去散步_________________;⑤乘公共汽车___________________;⑥照看______________⑦看一看_________________;⑧拍照________________ ;⑨休息一下______________ ⑩坐下____________________4.3. The fewer trees, the better.译: 【归纳】表示“越…,就越…”的比较级句型结构写出来:____________________________________4.4. As a result, many rivers and lakes are now dead. 结果,现在许多河流和湖泊已经没了生机。

      归纳】be dead 意为“死的”,表示一种状态,这里指“无生气的,死气沉沉的”链接】死(v.)________; 死亡(n.)___________; 死的(adj.) ___________;小组内成员互查完成情况并给予等级评定: ☆模块三:交流研讨 (小组交流、合作、展示)预时30分钟 (Cooperation ,Exploration &Show)研讨内容摘 记Step 5 听读(10’)1. 播放P37-1a的短文,学生跟读1-2遍Step 6合作 大组长组织,组员共同探讨下面研讨内容,并形成统一的组内意见;【研讨内容】 讨论一:核对模块二Step 2 归纳本课时的重点短语或句型讨论二:①核对模块二 Step 3课文学习---选择合适的标题及根据1a完成1b ②小组齐读课文P37-1a 讨论三:核对模块二 Step 4句型及词的用法学习----知识点归纳讨论四:P38-2 写作训练O3,CO2 ,the greenhouse effect 分别是什么含义?________,_________,_________他们是怎样影响环境的参考1a短文,请将你的答案写在课本上。

      Step 7 展示 【大组展示方案】展示任务一:讨论二,模块二 Step3课文学习----读P37-1a;建议:本组读,与其他组PK,要带动班级朗读气氛还可以背诵PK等;展示任务二:讨论三,模块二 Step 4句型及词的用法学习----知识点归纳建议:将本组答案在白板上展示,并解释短文含义展示任务三:讨论四:P38-2 写作训练建议:将本组答案在白板上展示,然后读并解释出来小组内成员互查完成情况并给予等级评定: ☆课堂评价要素:1、 合理评价组员,全员参与,有序展示;2、 书写规范,工整美观,双色笔运用得当;3、 发音清晰,声音洪亮;4、 面向全体,自然大方,肢体语言运用得当;展示生动活泼,独具特色模块四:教师精讲(预时10分钟,认真听讲并记录要点)训练内容摘 记1. while 作连词及名词的用法;2. 写作 教学反思:____________________________________________________________________模块五:当堂训练(预时20分钟)一、单项选择 ) 1. ______ down trees harms the living conditions of human beings.A. Cut B. Cuts C. Cutting D. To cut( ) 2. A terrible earthquake happened in Wenchuan caused many people _____ their lives and homes.A. lose B. losing C. to lose D. lost( ) 3. ______ your hand if you know the answer.A. Raise B. Give C. Rise D. Put( ) 4.There are ______ students on the playground, and five _____ girls are in them.A.hundred; hundreds of B.hundreds of; hundred C.hundred; hundred D. hundreds of; hundreds( ) 5. As many factories have polluted the river, you can find _____ fish on the water here and there.A. die B. death C. dead D. died( ) 6.The little girl was playing with a knife, so her father _____ it _____ from her. A. took; off B. took; away C. turned; off D. put; away( ) 7. -- _____ the soldiers are very tired, they keep on working. – They’re great. We must learn from them. A. Because B. If C. Although D. Before( ) 8. He prefers playing basketball _______ she prefers playing computer games.A. so B. and C. while D. though( ) 9. –You look so happy today!– Mr. Wang says I am clever. ______ has ever said that to me before.A. everybody B. somebody C. anybody D. nobody( ) 10. Summer is coming. The days are getting _______.A. long and long B. long and longer C. more and more long D. longer and longer( ) 11. We plant _____ trees in our city every year.A. the millions B. millions of C. million of D. million( ) 12. –It was quite a 。

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