英语人教版八年级下册Unit7Section A 1a-2d.doc

Unit 7 Whats the highest mountain in the world?第一课时Section A(a-2d) 【Free talk】Whats the highest mountain in the world?【学习目标】1. 能掌握下列单词和短语：square, meter, deep, desert, population, Asia,wall,tour, tourist, ancient, protect, wide2. 能掌握下列短语: the highest mountain, square kilometers in size, all the salt lakes , a much longer history, as big as, one of the oldest countriesin the world , as you can see, as far as I know, man-made objects,3. 重点掌握以下句型：1) -Whats the highest mountain in the world?-Qomolangma.-How high is Qomolangma?-Its 8,844.43 meters high. Its higher than any other mountain.2) Did you know that China is one of the most oldest countries in the world ? 3) China has the biggest population in the world.It is a lot bigger than the population of the US.4)The main reason was to protect china. .5) As far as I know,there are no man made objects as big as this.4.学会用形容词比较等级来比较身边事物。学会描述物体的长度，高度，深度以及宽度。Step1:自主学习一、 阅读课本第49页第50页，独立翻译下面的短语：1.最高的山 2.平方公里 _ 3.所有的盐湖_4. a much longer history _ 5. one of the oldest countriesin the world _ 6.正如你能看到的 _ 7.就我所知_ 8.人造建筑物_二、试着写出下列句子，体会一般过去式的用法。.世界上最高的山是什么？_2.你知道中国是世界上最古老的国家之一吗？。_3. 中国有世界上最大的人口，它比美国的人口大得多。_.主要原因是保护中国 .就我所知，没有比它更大的人造建筑物。 _Step2:课堂呈现一、自主学习： 1a 1c1. 模仿操练：(Pairwork) -Whats the highest mountain in the world?-Qomolangma.-How high is Qomolangma?-Its 8,844.43 meters high. Its higher than any other mountain.2. 小组活动：接龙游戏来训练，看哪组又快又准确 A: Whats the in the world? B:? C: How . is .? D:It is3. listening (1b, 2a.2d)4. Role-play the conversation (2d) 读对话，用括号中所给词的适当形式填空。Step3:合作探究、质疑解惑重点句型1.-Whats the highest mountain in the world? -Qomolangma.-How high is Qomolangma?-Its 8,844.43 meters high. Its higher than any other mountain. the highest mountain in the world “ 世界最高峰” 此短语为形容词的最高级 the +最高级higher than any other mountain. 比任何一座山都高 此短语为形容词的比较级 any other mountain any other +单数名词eg H e is taller than any other boy in his class.= H e is the tallest boy in his class.How high 多高，用来提问高度在谈论物体的长度、高度、深度、宽度等时，多用形容词high/tall, long, deep(深的), wide（宽的）等。常用句型有： How high/tall/long/wide/deep+ is +主语? Its + 数量 + high/tall/long/wide/deep.如： -How high is the building? -Its about 100 meters tall. -How tall is the bridge? -More than 15 meters tall. -How long is the bridge? -About 300 meters long. -How wide is the river? -Its about 1kilometer wide. -How deep is the well(水井)? -Its about 20 meters deep.注：有部分形容词有名词形式，如：longlength,high-height,wide-width -Whats the length of the bridge? -Its 200 meters The height of Mount Tai is 1,532 meters. -Whats the width of the river? -About 120 meters.【精题演练】 （1）The river is about 1,200 meters long. (划线提问) _ _ is the river? （2）The bridge is 330 meters high.(改为同义句)_ _ _ _ _ is 330 meters.2. China has the biggest population in the world.It is a lot bigger than the population of the US. population 不可数名词，人口，人口数量 【要点探究】 “询问某地人口的多少”要用疑问词“what”，而不能用“how many”，“how much”。Whats the population of China?中国有多少人口？/中国的人口是多少？ population指“人口总数”，作主语时，谓语动词要用单数形式。The population of our city is about 3 million. 我们城市的人口约有三百万。 population前有修饰词时，比如分数，百分数来表示整体中的一部分人，谓语动词一般用复数形式。Two thirds of the population of China are farmers.中国有三分之二的人口是农民。 指代population的代词要用thatThe population of China is larger than that of America. 表示人口多或少，要用large/big/great或small【精题演练】 （1）_ is the population of France?A What B How much C Whats D How much （2）The population of India is _ than _ of Russia. A small, that B larger, it C smaller, that D bigger, that3.The main reason was to protect china. 译为_ 词句为动词不定式作宾语 ，例如：The first thing is to greet teachers. The worst thing is to do nothing.Step5:巩固提高一、根据句意，用所给词语的适当形式填空。1. Do you know the first people _(land) on the moon?2.Qomolangma is one of _(danger)mountains in the world. 3.-Which is _ (deep)salt lake in the world? -The Caspian.4. Beijing is one of _ (big) cities in C