初中英语人教版八年级下册unit7教学设计.doc

Unit 7 Whats the highest mountain in the world?SectionA(1a-1c)教学设计Teaching Aims and Demands1Knowledge Objects（1） Key Vocabularysquare n. 平方 meter n. 米 deep adj. 深的 desert n. 沙漠 （2）Target Language Whats the highest mountain in the world?Qomolangma.How high is Qomolangma?Its 8,844.43 meters high. Its higher than any other mountain.Which is the deepest salt lake in the world?The Caspian Sea is the deepest of all the salt lake.(3) Stucture: Large numbers Comparative and superlative form of adj. and adv.2. Ability Objects （1）Learn to use the numeral to talk about the facts of the world.（2）Learn and master the usage of the comparative and superlative form of adj. and adv.3 Moral objectsTeach Ss to love our nature and protect our environment.Teaching Key PointLearn and master large numbersLearn and master the usage of the comparative and superlative form of adj. and adv.Teaching Difficult Points1Learn and master large numbers2 Learn to talk about comparative and superlative form of adj. and adv.by using the target languageIV.Teaching Aids1A tape recorder2The blackboard3. MultimediaTeaching ProceduresStep 1: Lead-in Lets talk the top of the world! 学生自主回答他们所知道的世界之最！老师在幻灯片上展示一些世界之最，比如最胖的人，最大的土豆, 最大的金鱼等等。( 方法指导： 通过展示图片，引起学生兴趣，也让学生了解这节课的重点。)然后展示四个本单元中的自然景观，世界之最。Step 2 Presentation复习形容词或副词的比较级和最高级的变化规则。找学生回答。加强记忆。并展示不规则变化表，使学生读并熟记。Step 3 Do exercise一些形容词和副词的比较级和最高级的练习题，使学生们回答。Step 4 Explanation：形容词 原形，比较级，最高级 常见用法展示两个一样大小的两座山的图片，引出asas的肯定及否定用法；展示刘翔，易建联，姚明图片，三个运动员比较身高，引出of表范围用在最高级里；姚明和潘长江的图片，身高差很大，运用副词much来修饰比较级。同时可以修饰比较级的词还有a bit, a little, much, a lot, any, even 一并展示出来。(方法指导：展示学生们都认识的明星人物进行对比，更加直观，印象深刻。)Step 5 Explanation：英语数字的读法1. 百位数的读法e.g.：700 503 9462. 千位数的读法e.g.：1 , 001 one thousand and one 练一练：8,448 5,009 1,051 9,243 3.万位数（十千）的读法e.g.：11,111 Eleven thousand one hundred and eleven练一练：10,000-ten thousand20,001-twenty thousand and one30,010-thirty thousand and ten70,111-seventy thousand one hundred and eleven 51,111-fifty-one thousand one hundred and eleven4. 百万的读法1,111,111one million one hundred and eleven thousand one hundred and eleven5. 练一练6. 展示四大世界之最的自然景观的高度，深度，大小以及长度。使学生念。Learn the new wordsSquare meter deep(方法指导：学习数字的读法，使学生思考并齐读。)Step 6 Listening 1. 1b Listen and complete the sentences.(方法指导：明确听力任务，在听录音过程中，教师指导学生特别注意形容词比较级和最高级，为降低听力难度，方便学困生完成目标，指导学生先听懂关键词、短语，再听句子。)1. Get two Ss to read the dialogue in 1c2. Group work and make your own dialogues3. Act out their dialogues。( 方法指导： 先看图回答问题，再分组读对话。教师巡查并指导学习有困难的学生，鼓励学生正确交流,然后找两组学生展示，在展示中，提高学习自信)Step 7 Ask and answer: The top of China-What is the longest river in China? -.the longest river/ the longest wall/the biggest lake/the highest mountain(方法指导： 练习对话， 运用四个中国之最和What is the longest river in China?句式练习对话。)Step 8 Exercise: 翻译句子。1. 世界上最高的山是什么？ is mountain in the world? 2.世界上最大的沙漠是什么？ Whats in the world?3. 世界上最深的咸水湖是哪一个？ is salt lake in the world?4. 尼罗河是世界上最长的河流。The Nile is in the world.(方法指导：使学生思考并给出答案，进一步复习重点句子。)Step9 Summary小结1.大多数形容词和副词有三个等级：原级、比较级、最高级。 2. 形容词比较级和最高级的构成 （1）构成的规则变化: （2）构成的不规则变化:3.数词的解读技巧（1）如果在万位以下的话只要直接读出该数值即可。（2）特大数字如果在万分位以上的话，是通过三位三位的读，来读出数值。（3）一般的排列顺序是从大到小：million, thousand, hundred. 这些英文的数值代表三位三位的进位读法，每次读完一个单元后，就加上这些数值。Step10 Homework: To make five dialogues about asking the size of objects by using the superlative form of adjectives. Blackboard DesignUnit 7 Whats the highest mountain in the world?The First Period（1） Key Vocabularysquare n. 平方 meter n. 米 deep adj. 深的 desert n. 沙漠 （2）Target Language -Whats the highest mountain in the world?-Qomolangma.-Which is the deepest salt lake in the world?-The Caspian Sea is the deepest of all the salt lake.课后反思：1.我个人认为本节课的亮点有：目标明确；知识全面；教学形式不单一；口语，书面练习均有涉及；内容适当，时间精确。2.学生方面：一节课下来，大部分学生都能积极投入到课堂教学中来，并积极举手发言；课堂气氛比较活跃，调动了大部分学生听课的积极性