新外研英语八年级上册.pptx
Lead-inLook at the pictures.We can see many people in the world.第1页/共30页第2页/共30页Leaning aims1.The new words:noise,prepare,notes,report,huge,increase,problem,birth,billion,fifth,grow,hang on,prepare for,too much2.The sentences:Whats the population of Beijing?The causes a lot of problems such as too much traffic and noise.The population of China is about 1.37 billion.Hang on a minute3.The grammar:初步了解数词的用法，运用所学句型谈论人口问题。第3页/共30页New wordsnoisepreparenotesreporthugeincreaseproblembirthbilliongrow噪声，杂音噪声，杂音准备；预备准备；预备笔记；随笔笔记；随笔报告，汇报报告，汇报巨大的；庞大的巨大的；庞大的增大，增长增大，增长问题，麻烦问题，麻烦出生出生十亿十亿增长，增大增长，增大第4页/共30页noisepreparehugeWhat was he/she/it doing?grow第5页/共30页problembirthbillionreportincreasenotes第6页/共30页billion第7页/共30页Can you say these numbers?12345678910111213202130608090100第8页/共30页Can you say these numbers?12345678910111213202130608090100onetwothreefourfivesixseveneightnineteneleventwelvethirteen twentytwenty-onethirtysixtyeightyninetyhundred第9页/共30页1011101221,0001,000,0001,000,000,000one hundred and oneone hundred and ten one hundred and twenty-twoone thousand（千）one million(百万）one billion(十亿）第10页/共30页1,000,000,000billionmillion thousand1232,20012,000123,3401,234,500one hundred and twenty-threetwo thousand and two hundredtwelve thousandone hundred and twenty-three thousand,three hundred and fortyone million two hundred and thirty-four thousand and five hundred,comma 逗号注注 意意第11页/共30页英语中四位数和四位数以上数字的读法：英语中四位数和四位数以上数字的读法：从数字的右端向左端数起，每三位数加一从数字的右端向左端数起，每三位数加一个逗号个逗号“，”。从右开始，第一个。从右开始，第一个“,”前的前的数字后添加数字后添加 thousand，第二个，第二个“,”前面的数前面的数字后添加字后添加 million，第三个，第三个“,”前的数字后添前的数字后添加加 billion。然后一节一节分别表示，两个逗。然后一节一节分别表示，两个逗号之间最大的数为百位数形式。号之间最大的数为百位数形式。第12页/共30页 Lets practice8,7421,370,000,0002,000,030,000eight thousand,seven hundredand forty-twoone billion,three hundredand seventy milliontwo billion and thirty thousand第13页/共30页1.Whats the population of Beijing?a)About 11 million.c)About 20 million.b)About 13 million.2.Whats the population of Chongqing?a)About 28 million.c)About 36 million.b)More than 33 million.第14页/共30页People in the worldBabies born every minuteBabies born every yearPopulation of ChinaPopulation of the worldRead the conversation(对话)and complete the table(表格).over 250131.4 million1.37 billion7 billion第15页/共30页第16页/共30页Read the sentences1.Whats the population of Beijing?北京的人口是多少？在询问人口时，要注意在询问人口时，要注意 population.通常用通常用what来提问来提问.它它是一个集体名词作主语时，若指一个整是一个集体名词作主语时，若指一个整体人口谓语动词通常用单数；形容人口多与少时体人口谓语动词通常用单数；形容人口多与少时用用large 和和small.For example:The population of China is about 1.37 billion.中国的人口大约是中国的人口大约是13.7亿。亿。Beijing is a huge city with a large population.北京是一个人口众多的大城市。北京是一个人口众多的大城市。精讲第17页/共30页One fifth 分之一；分数的表示方式：分子是基数词，分母是序数词五；如果分子大于1，分母要用复数形式。two fifths 五分之二2.The population of China is almost one fifth of the worlds populatian.那几乎是世界人口的五分之一。3.I am preparing some notes for a report.我正在为我正在为一篇报告准备笔记一篇报告准备笔记Prepare for为为.做准备做准备第18页/共30页4.The causes a lot of problems such as too much traffic and noise.那引起了许多问题，例如有太多的车辆和噪音。too many太多太多后接可数名词复数，后接可数名词复数，too much太多太多后接不可数名词，后接不可数名词，much too太太后接形容词后接形容词第19页/共30页1.-What are you preparing _ your party?-Im thinking about who Ill invite.A.at B.for C.with2.There are _ people in the little room.A.too much B.too many C.very muchBB第20页/共30页3._ of the worlds population is in China.A.One five B.One fifths C.One fifth 4.The population of Beijing_ about 20 million A.is B.are C.beCA第21页/共30页6.How do you read 131,000,000?_.A.One hundred and thirty-one millionB.One hundred thirty one million C.One hundred and thirty one million A5._ is the population of the town?Over 20,000.And a third of the population _ workers of the car factory A.What;are B.How many;are C.What;is D.How many;is C第22页/共30页1.You have _ shoes.2.Sometimes I eat _ noodles.3.The work is _ hard for us.4.She drank _ water.5.Among ourselves,that young mans hair is _ long.too manytoo manyFill in the blanks.too many,too much和和much too too muchtoo muchmuch too第23页/共30页I cant believe it!我简直不敢相信我简直不敢相信!Hang on a minute!稍等稍等!Great!太好了太好了!第24页/共30页1.Maybe many years later,people wont have water to drink._2.I can read the words“billion”._3.May I speak to Mary,please?_3.Great!1.I cant believe it!2.Hang on a minute!第25页/共30页Check the statements（观点）you agree with.1.There are too many people in the world.2.The increasing population is the biggest problem in the world.3.People should not have too many babies.4.A city should not hold more than one million people.小组探讨小组探讨第26页/共30页Work in pairs.Work in groups and discuss your answers.Topic:The increasing population is the biggest problem in the world.人口增长是世界人口增长是世界上最大的问题。讨论它带来的影响。上最大的问题。讨论它带来的影响。A:We think there are many traffic on the road.B:I hate the noise of the traffic in big cities.It is not easy to find a parking space in big cities。Too much rubbish causes terrible pollution and we will not enough water to drink and so on.拓展第27页/共30页Make a report to describe population increase of the world.第28页/共30页第29页/共30页感谢您的观看！第30页/共30页
