初中英语人教版八年级下册unit7教学设计.docx

Unit 7 What’s the highest mountain in the world? SectionA(1a-1c)教学设计 Ⅰ．Teaching Aims and Demands Knowledge Objects Key Vocabulary square n. 平方 meter n. 米 deep adj. 深的 desert n. 沙漠 Target Language What’s the highest mountain in the world? Qomolangma. How high is Qomolangma? It’s 8,844.43 meters high. It’s 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. Ability Objects Learn to use the numeral to talk about the facts of the world. Learn and master the usage of the comparative and superlative form of adj. and adv. Moral objects Teach Ss to love our nature and protect our environment Ⅱ.Teaching Key Point Learn and master large numbers Learn and master the usage of the comparative and superlative form of adj. and adv. Ⅲ．Teaching Difficult Points Learn and master large numbers． Learn to talk about comparative and superlative form of adj. and adv.by using the target language IV.Teaching Aids 1．A tape recorder 2．The blackboard Multimedia Ⅵ．Teaching Procedures Step 1: Lead-in Let’s talk the top of the学w生or自ld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as…as…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 百位数的读法 e.g.：700 503 946 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 万位数（十千）的读法e.g.：11,111 Eleven thousand one hundred and eleven 练一练： 10,000---- ten thousand 20,001---- twenty thousand and one 30,010---- thirty thousand and ten 70,111----seventy thousand one hundred and eleven 51,111---fifty