英语人教版八年级下册What is the highest mountain i.ppt

Unit 7 Whats the highest mountain in the world?Section A1a-2cKnowledge aims:学会百万位以内的复杂数词学会百万位以内的复杂数词的读法以及表达。的读法以及表达。度量单位的用法以及提问。度量单位的用法以及提问。复习并加深对最高级以及比较级的了解。复习并加深对最高级以及比较级的了解。Ability aims:学会用最高级与比较级描述风景学会用最高级与比较级描述风景名胜和山川、河流等。名胜和山川、河流等。能准确地使用复杂数能准确地使用复杂数词和度量单位进行问答。词和度量单位进行问答。Emotional aims:体验和热爱大自然。体验和热爱大自然。Important points:用与风景名胜相关的词汇、最用与风景名胜相关的词汇、最高级、比较级对山川、河流等进行描述。高级、比较级对山川、河流等进行描述。Difficult points:形容词最高级的变化以及数词形容词最高级的变化以及数词和相对应度量单位的正确使用。和相对应度量单位的正确使用。square meterdeepdesertpopulationAsia n.平方；正方形平方；正方形n.米；公尺米；公尺adj.深的；纵深的深的；纵深的n.沙漠沙漠n.人口；人口数量人口；人口数量n.亚洲亚洲Words reviewQomolangmatumu,l:mthe Nile nailthe Caspian Sea kspinthe Saharash:rthe Yangtze Riverjtsithe Yellow River珠穆朗玛峰珠穆朗玛峰尼罗河尼罗河里海（世界最大的咸水里海（世界最大的咸水湖）湖）撒哈拉沙漠撒哈拉沙漠长江长江黄河黄河Words reviewQomolangma 珠穆朗玛峰（珠穆朗玛峰（Qomolangma）简称珠峰，又意译作圣母）简称珠峰，又意译作圣母峰。该峰位于峰。该峰位于中华人民共和国和尼泊尔交界中华人民共和国和尼泊尔交界的喜马拉雅山的喜马拉雅山脉之上，脉之上，终年积雪终年积雪。珠穆朗玛峰。珠穆朗玛峰海拔海拔8844.43米米，同时每，同时每年增长年增长1.2厘米，是世界第一高峰，是一条近似东西向的厘米，是世界第一高峰，是一条近似东西向的弧形山系，位于喜马拉雅山中端、中尼边界上和西藏日喀弧形山系，位于喜马拉雅山中端、中尼边界上和西藏日喀则地区定日县正南方。山体呈巨型金字塔状，有巨大冰川，则地区定日县正南方。山体呈巨型金字塔状，有巨大冰川，最长达最长达26公里公里。Do you know these interesting places?The Nile 尼罗河尼罗河(the Nile)是一条流经非洲东部与北部的河是一条流经非洲东部与北部的河流，自南向北注入地中海。与中非地区的刚果河以流，自南向北注入地中海。与中非地区的刚果河以及西非地区的尼日尔河并列非洲最大的三个河流系及西非地区的尼日尔河并列非洲最大的三个河流系统。尼罗河统。尼罗河长长6671公里公里，是，是世界上最长的河流世界上最长的河流。The Caspian Sea 里海（里海（the Caspian Sea）是世界上）是世界上最大的湖泊且最大的湖泊且为咸水湖为咸水湖，位于，位于欧洲和亚洲欧洲和亚洲的交界处，面积最大的的交界处，面积最大的淡水湖则是苏必利尔湖。里海拥有与海洋相似的生淡水湖则是苏必利尔湖。里海拥有与海洋相似的生态系统，海运业发达。态系统，海运业发达。The Sahara 撒哈拉沙漠约形成于二百五十万年前，是世界最撒哈拉沙漠约形成于二百五十万年前，是世界最大的沙质荒漠。它位于非洲北部，气候条件非常恶大的沙质荒漠。它位于非洲北部，气候条件非常恶劣，是地球上最不适合生物生存的地方之一。其总劣，是地球上最不适合生物生存的地方之一。其总面积约面积约9,600,000平方公里。平方公里。1000以上的基数以上的基数词词的表示法的表示法:先从右至左数，每三位加一个逗点。先从右至左数，每三位加一个逗点。如：如：1,234,567,890one billion two hundred and thirty four million five hundred and sixty seven thousand eight hundred and ninety注注:“无万借千无万借千”。十十前前“and”。一逗是一逗是千千二逗二逗百万百万三逗三逗十亿十亿Can you read them?9,600,000 1,0256,671 8,844.43azndmljnbljnI can read them!9,600,0001,0256,6718,844.43 one thousand and twenty fiveeight thousand eight hundred and fourty-fourpoint four threesix thousand six hundred and seventy-onenine million six hundred thousand1a Match the facts you know.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara 1,025 meters deepThe Caspian Sea 6,671 kilometers longThe Nile 8,844.43 meters highQomolangma is 8844.43 meters high.The Sahara isThe Caspian Sea isThe Nile is1b Listen and complete the sentences.1.Qomolangma is _ than any other mountain in the world.2.The Sahara is _ desert in the world.3.The Caspian Sea is _ of all the salt lakes.4.The Nile is _ river in the world.higherthe biggestthe deepestthe longestGuess A:What is the highest mountain in the world?B:Qomolangma.1c Use the information in 1b to make conversations.A:What is the biggest desert in the world?B:The Sahara.A:What is the deepest salt lake in the world?B:The Caspian sea.A:What is the longest river in the world?B:The Nile.A:What is the in the?B:Qomolangma is higher than any other mountain in the world.Its 8,844.43 meters high.What do you know about these places?The Sahara is the biggest desert in the world.Its about 9,600,000 square kilometers in size.The Caspian sea is the deepest of all the salt lakes.The NileIts 6,671 kilometers long.Its 1,025 meters deep.is the longest river in the world.1b.+1a.1b.+1a.1b.+1a.Listen and number the facts 1-4in the order you hear them._ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long._ China has the biggest population in the world.Its a lot bigger than the population of the US._ China is over _ years old.It has a much longer history than the US.The US is not even _ years old._ China is almost as big as the US,and it is the biggest country in Asia.2a1432_The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long._ China has the biggest population in the world.Its a lot bigger than the population of the US._ China is over _ years old.It has a much longer history than the US.The US is not even _ years old._ China is almost as big as the US,and it is the biggest country in Asia.Listen again and fill in the blanks in 2a with the numbers in the box.2b6,3005,4645,0003006,300 5,000 5,464 3001432A:How high is Qomolangma?B:Its 8,844 meters high.A:How deep is the Caspian Sea?B:Its 1,025 meters deep.A:How long is the Nile?B:Its 6,671 kilometers long.A:How big is the Sahara?B:Its about 9,600,000 square kilometers in size.如何描述物体的长宽高？如何描述物体的长宽高？谈论物体的谈论物体的宽度宽度深度深度高度高度长度长度tall/highdeeplongwide -Its+数量数量+high/tall/long/wide/deep.1.-How high/tall/long/wide/deep.+is+主主语语?常见句型常见句型2.数数词词+square kilometer(s)数数词词+square meter(s)in size英语表示英语表示“有多长（宽，高有多长（宽，高）”时，一般将时，一般将_和和_放在表示放在表示长宽高长宽高的形容词的形容词_。数词数词数量单位数量单位前前翻译句子：翻译句子：1.这张桌子两米长。这张桌子两米长。2.这座山有这座山有1,500米高。米高。3.这栋楼这栋楼120米高。米高。4.这个湖有多深？这个湖有多深？1,025米深。米深。5.黄河有多长？黄河有多长？The table is two meters long.The mountain is 1,500 meters high.The building is 120 meters tall.How deep is the lake?Its 1,025 meters deep.How long is the Yellow River?1.平方千米平方千米2.在面积上在面积上3.比任何其他的比任何其他的4.所有的咸水湖中最深的所有的咸水湖中最深的5.世界上最高的山脉世界上最高的山脉6.最多的人口最多的人口7.比比大许多大许多8.的人口的人口9.一段比一段比长的多的历史长的多的历史10.和和一样大一样大11.最古老的国家之一最古老的国家之一12.比比老得多老得多Homework 配套配套练习 Section A；用所学描述用所学描述长宽高的句型，造三高的句型，造三个句子；个句子；找出文中所出找出文中所出现的形容的形容词最高最高级的短的短语，以小，以小组为单位，位，总结最最高高级用法。用法。1.population 人口；人口数量人口；人口数量population指指“人口数量人口数量”,作主语时作主语时,谓语动词要用谓语动词要用单数单数形式。形式。这个城市的人口是这个城市的人口是600万。万。The population of this city is six million询问人口数量询问人口数量 “Whats the population of.?”不用不用how many或或how much等提问等提问.表示人口表示人口“多多”要用要用large/big/great;表示人口表示人口“少少”要用要用small。指代指代population 的代词要用的代词要用that。Practice China has a large population.中国人口众多。中国人口众多。France has a small population.法国人口少法国人口少。The population of India is much _than _ of Russia.A.small,that B.larger,itC.smaller,that D.bigger,that2.Its much older than my country.much older 意为意为“老老得多得多”。形容比较级前可用形容比较级前可用much,even,a little,a lot,a bit等修饰词表示等修饰词表示程度程度。Practice他比我跑得更快。他比我跑得更快。He runs even faster than I.我只比我只比Tom年长一点儿。年长一点儿。Im a little older than Tom.9,660,1701,111,111,1115,201,314 nine million six hundred and sixty thousand one hundred and seventy-one one billion one hundred and eleven million one hundred and eleven thousand one hundred and elevenfive million two hundred and one thousand three hundred and fourteen当堂达当堂达标标