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1、Unit 2 Topic 3 Would you like to be a greener person Section C讲学稿【长课导学】课题Unit 2 Topic3 Would you like to be a greener person? Section C P45-46 第3课时 学习目标与要求:1. 继续学习连词and, but, while, or 引导的复合句。2.了解现代科学技术在环境保护方面的作用。模块一:温故知新学习内容 什么习惯可以保护环境,请写在下面。(可参照Section B )模块二:自主学习 (独立进行) (Self-study & Self-explora
2、tion)学习内容摘 记Step 1 词汇学习-预习P44-45的新单词,并将新单词在课文中标记。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)produce power from coal _ acid rain _nuclear energy _ renewable energy _ _everyday life _ 在二十世纪九十年代_ 增加对电的需求 电动汽车_节能的 Step 3 课文学习1、 仔细阅读课文P45-1a,并为各段选择相应的图片;再次阅读1a,完成1b部分的表格(产生动力的方法有三个方面,分别是biogas(生物气)、elec
3、tric vehicle(电动车辆)、maglev train(磁悬浮列车),它们分别有什么利与弊,将答案填空在课本的表格内)。2、 阅读P4-2的句子,把每个句子与正确的图片搭配起来。Step 4 句型及词的用法学习-知识点归纳。4.1. They are very efficient and cost very little to run. 他们(电动车辆)的效能很好,而且用起来花费也不多。 【归纳】1) efficient ( adj.) 意为_ ;run (v.) 意为“使运转,使运行,操作”。2) cost 译为:_ ,其过去式:_;过去分词 拓展:cost 的句型:某物花费某人多少
4、钱: take的过去式_过去分词 _ 句型: spend的过去式_过去分词 _ 句型: pay的过去式_过去分词 _ 句型: 4.2. The train can reach a top speed of 431 km per hour. 这辆车最高时速可达每小时431千米。 He is driving to the center of the city at a speed of twenty miles per hour. 他以每小时20英里的速度慢慢地向城市中心开过去。【归纳】1)reach/achieve a speed of +具体速度,译为_;而介词短语at a speed of
5、+具体速度,译为_2)拓展:speed 前可用high, top, low, full等形容词修饰。如: at top/full speed ; at (a) high speed _ _ 以低速 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) (Cooperation ,Exploration &Show)研讨内容摘 记Step 5 口语训练(10)We must not only protect our environment but also save energy. Now discuss this problem in pairs: What sh
6、ould we do to save energy? You can say it according to Section B.2) 听读P45-1a,然后群读;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:核对模块二 Step 4句型及词的用法学习-知识点归纳。讨论三:读课文1a,并核对1b部分的答案。Step 7 展示 【大组展示方案】展示任务一:讨论二:模块二 Step 4句型及词的用法学习-知识点归纳。(4.2)建议:将本组答案在白板上展示,并解释短文含义。展示任务二:什
7、么习惯可以保护环境?将本组想到的句子写在白板上,看看哪组写得最多。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(认真听讲并记录要点)训练内容摘 记关于biogas(生物气)、electric vehicle(电动车辆)、maglev train(磁悬浮列车),它们分别有什么利与弊。教学反思:_模块五:当堂训练(预时20分钟) 姓名:_班级:九(_)一、用连词but, and, however和while填空。1. Its rainin
8、g hard;_,he keeps on working in the field.2. Kangkang can solve the problem,_ I cant.3. Coal is very dirty _ it is very dangerous, because it causes “acid rain.”4. The water trains in Wales use water to push one train down a hill _they use water to pull another train up the hill.二、选词填空1Its (danger,
9、dangerous) for children to climb such a tall tree.2. The dead fish smells (terrible, terribly).3.You should cross the road _ (careful, carefully).4. Wind is used for _ (produce, producing) electricity.5. The _ (following, follow) ways will help you learn how to save energy.三、单项选择。( ) 1.Boys lived in
10、 tents on the playground _ girls lived in a hall. A. when B. as C. while D. for( ) 2. Hello, Mr. Wang! Hello, I dont think I know you. A. but B. because C. or D. and( ) 3. _ everyone played well, we lost the game at last.A. Though, but B. Though, / C. Though, then D. Though, and( ) 4. A farmer in En
11、gland used animal waste his car.A. run B. running C. to run D. runs( ) 5. Its necessary _ you to hand in your homework on time.A. of B. for C. to D. with四、根据汉语提示完成句子1. What can we do _ (改善环境) .2. _ (记得关灯) when you leave a room.3. How many ways _ (发电) do you know?4. _ (电动汽车) work well, but they are slow and cant run for long.5. He is driving a car _ (低速)。【学生自主反思】(写出今日一得和今日不足)今日一得 今日不足 _