八年级英语上册 Module 9 Unit 1 The population of China is about 1.37 billion课件 （新版）外研版.ppt

,9,Population,Module,Unit1ThepopulationofChinaisabout1.37billion.,Doyouknowhowmanypeoplearethereintheworldnow?,7billion,Oneday,theworldwillbelikethis.,HowaboutChina?,Itsabout1.37billion.,ChinasPopulation-Overview,Graspthekeywordsandkeystructure:noise,prepare,notes,report,grow,problem,birth,billion,fifth;Beijingisahugecitywithalargepopulation.Thatmakesover131.4millionbirthsayear.2.Readingaim:Tobeabletoreadandunderstandlargenumbers.3.Affection:weshouldcaremoreaboutthepopulationproblemsofourcountry.,Teachingaims,/nIz/prIpe/nuts/rIp:t/ru/hju:d/k:z/,噪声;杂音n.,noise,准备；预备v.,prepare,笔记；随笔n.(pl.),report,报告；汇报n.,(grew/ru:)增长；增大v.,notes,grow,Wordsandexpressions,huge,造成；引起v.,巨大的；庞大的adj.,cause,/prblm/Ikri:s/b:/bIljn/fIf/hangon/flt/,麻烦；问题n.,problem,增大；增长n.增大；增长v,increase,birth,出生n.,十亿num.,第五；五分之一num.,billion,稍等,套房；公寓n.,flat,fifth,1Workinpairs.Lookatthepictureandtalkaboutit.Usethewordsintheboxtohelpyou.,noisepeoplespacetraffic,2Listenandcheckthecorrectanswer:,1WhatisthepopulationofBeijing?a)About11millionb)About13millionc)About20million2WhatisthepopulationofChongqing?a)About28millionb)About33millionc)About36million,3.Listenandread,EverydayEnglish,Icantbelieveit!Hangonaminute!Great!,Thenlistenandread.,Betty:Whatareyoudoing?Tony:Impreparingsomenotesforareportcalled“Ourgrowingpopulation”.Lingling:Well,wereintherightplacetotalkaboutthat!Beijingisahugecitywithalargepopulation.Thatcausesalotofproblems,suchastoomuchtrafficandnoise.Betty:ItsnotonlyBeijing.Population,increaseisabigprobleminmanycountries.Doyouknowhowmanybabiesareborneveryminuteintheworld?Tony:No.Canyoutellme?Betty:Over250!Thatmakesover131.4millionbirthsayear.Lingling:Icantbelieveit!Betty:ThepopulationofChinaisabout1.37billion.Thatsalmostonefifthoftheworldspopulation,thatis,about7billion.Tony:Hangonaminute!Iwillwritethatdowntoo!,Betty:Butinthefuture,Chinaspopulationwontgrowsofast,becausefamiliesaregettingsmaller.Lingling:Howdoyouknowallthis?Betty:Iwrotemyreportyesterday!Tony:Great,thanks!NowIcanwritemyreport!,Babiesborneveryminuteintheworld:Babiesborneveryyearintheworld:PopulationofChina:Populationoftheworld:,Nowcompletethenotes.,over250,over131.4million,about1.37billion,about7billion,4Choosethecorrectanswer.,1Birthhappensatthestart/attheendoflife.2Hugemeanslarge/small.3Anincreaseinpopulationmeansmore/fewerpeople.4Hangonaminutemeanswaitforashorttime/alongtime.,7Areportisalongpieceofwriting/afewwords.8Abillionisahundred/athousandmillion.,5Makingnotesmeanswritingalongpassage/afewwords.6Aproblemissomethingeasy/difficult.,Pronunciationandspeaking,5Listenandrepeat.,8,742eightthousand,sevenhundredandforty-two.2,463,128twomillion,fourhundredandsixty-threethousand,onehundredandtwenty-eight,1,370,000,000onebillion,threehundredandseventymillion2,000,030,000twobillionandthirtythousand,6Check()thestatementsyouagreewith.,1Therearetoomanypeopleintheworld.2Theincreasingpopulationisthebiggestproblemintheworld.3Peopleshouldnothavetoomanybabies.4Acityshouldnotholdmorethanonemillionpeople.,Nowworkingroupsanddiscussyouranswers.,GrammarFocus,(一)数词Numeral,数词是用来表示事物的数目和顺序的词。,数词的分类：1.基数词2.序数词3.分数词今天我们先来学习一下基数词。,1.复习1100以内的所有数字。2.掌握百、千、万、十万、百万的表达法。,1、1-19的基数词,one1two2three3four4five5,six6seven7eight8nine9ten10,eleven11twelve12thirteen13fourteen14,fifteen15sixteen16seventeen17eighteen18nineteen19,2、2090等十位数,twenty20thirty30forty40fifty50sixty60seventy70eighty80ninety90,twenty-one21twenty-two22其它的十位数照此类推，如：thirty-one31forty-two42seventy-five75ninety-six96,3、百、千、万,百hundred100onehundred200twohundred以此类推千thousand1000onethousand2000twothousand英语里没有“万”这一单位，万也用thousand表示。如：10000tenthousand一万20000twentythousand两万,4、十万、百万,十万的说法是：100.000a(one)hundredthousand200.000twohundredthousandmillion百万a(one)million1000000twomillion2000000以此类推8000000eightmillion,练一练345100118,657,421,threehundredandforty-five,onethousand(and)one,eighteenmillion,sixhundredandfifty-seventhousand,fourhundredandtwenty-one,Theprojectlasted5yearsandcost2billiondollars.2.TheChinesehavebeenmakingpaperfortwothousandyears.3.Onethousandpundsisalotofmoney.,表示确定数量时用基数词+hundred，thousand，million，billion,多位基数词读法,457,890,608,389,threehundredandeighty-nine,fourhundredandfifty-seven,eighthundredandninety,sixhundredandeight,1）101999的三位数由“百位数and+两位数组成”。如：325threehundredandtwenty-five,102onehundredandtwo,635sixhundredandthirty-five,2)三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表thousand,第二个逗号代表million,第三个逗号是billion，注意这几个词不能用复数形式，后也不能加and。例如：2,648twothousand,sixhundredandforty-eight16,250,064sixteenmillion,twohundredandfiftythousand,sixty-four,确切数目与不确切数目的表达：hundred,thousand,million,billion等前面有基数词，表示确切数目时，用单数，后直接接复数名词；如：threehundredbooksonehundredpeoplefivethousandstudentssevenmillionstarts,表示不确切数目时，这类词后加-s且与of连用。如：hundredsofpeoplethousandsofstudentsmillionsofbirdsbillionsoflions注意：这类短语中，名词前如有定冠词、指示代词或形容词性物主代词时，可加of,但表示的是范围。如：twohundredoftheworkers工人中的二百（人）,GrammarFocus,(二)冠词Articles,冠词的定义,不定冠词的用法,定冠词的用法,不用冠词的情况,用冠词和不用冠词的差异,一.冠词的定义,冠词是一种虚词，没有词义，没有数和格的变化，不能单独使用，只能帮助名词或起名词作用的其他词类说明其意义。冠词分定冠词和不定冠词两大类。定冠词特指一特定名词，不定冠词泛指一般普通名词。,二.不定冠词的用法,不定冠词有a和an两种形式，a用在以辅音开头的名词前，an用在以元音开头的名词前。它的用法如下：1.表示“一个”的意思，与数词one相同。例如：Romewasnotbuiltinaday.罗马不是一天建成的；伟业非一日之功Theproject(项目，计划)willbecarriedout（执行，贯策）inayearortwo.,2.表示一类人或事物。例如：Adogisafaithful（忠诚的）animal.Evenawomancandoit.3.表示“每一”，相当于per，用于某些表示时间、重量、长度等单位前。例如：Heearnstwothousandyuanamonth.Thetrainisrunningsixtymiles(英里)anhour.4.表示同样的人或事物，相当于thesame。例如：Birdsofafeather（羽毛）flock(一群）together./Theyarepeopleofakind.一群同样羽毛的鸟在一起/物以类聚，人以群分。,5.物质名词或抽象名词前用a或an表示具体意义、制成品或种类。例如：Greenteaisawonderfultea.Sheisabeauty.（美人）Pleasegivemeacoffee.6.用于人名前，表示说话者对此人不认识，相当于“acertain”，也可指于某名人有类似性质的人或事物。例如：AMr.Chencametoseeyouthismorning.HewishestobecomeaNewton.,7.有些世界上独一无二的东西，如sun,moon,sky,universe（宇宙）,world（世间，地球）,earth（地球）等，一般前面要用定冠词，但当他们前面有修饰语时，则要用不定冠词。例如：Wehopewecanseeafullmoontonight.Hesatinachair,lookingatastarry布满星星的sky.,8.在作单数可数名词定语的形容词最高级前，如果不表示“最”，而表“非常”，则用不定冠词。例如：Thatisabestdictionary.Thisisamosttroublesome（费事的）case.（情形，情况)9.序数词前，一般有定冠词，但当表示“又一个”时，则要用不定冠词。例如：Theyhaveasecondhouse.WhenIsatdown,afifthmanrose(动词,rise的过去式“站起来”）tospeak.,10.季节、月份、日期、三餐前有修饰语时，用不定冠词。例如：Wehadawonderfullunch.Wehadaverycoldwinterlastyear.11.用在某些固定的短语中例如：onceuponatime（从前)inahurry（匆匆忙忙）havearesthaveagoodtimehavealookallofasudden（突然地）haveacold/fever（发热）/cough/headache/pain（疼痛）,Languagepoints,1.Beijingisahugecitywithalargepopulation.Thatcausesalotofproblems,suchastoomuchtrafficandnoise.北京是一个人口众多的大城市。那会引起众多问题，比如交通拥挤，噪音污染等。(1)populationn.人口,人数1)集体名词,无复数形式,在句中作主语时,谓语动词用单数形式.,目前的人口增长很快。Thepopulationtodayisgrowingveryfast.2)population之前若有分数或百分数修饰时,用于指具体人数作主语时,谓语动词则用复数形式.这儿大约有五分之三的人口是农民。Aboutthreefifthsofthepopulationherearefarmers.,3)表示某一范围内有多少人口时,用hasapopulationof+数词.中国有13亿人口。Chinahasapopulationof1.3billion.4)问某地有多少人口时,用Whatis/wasthepopulationof+地名?中国有多少人口?WhatsthepopulationofChina?,(5)表示人口的多少时,用large或small修饰,而不能用many,more或few等.中国是世界上人口最多的国家。Chinahasthelargestpopulationoftheworld.,(2)toomuch,toomuch太多(+名词/放在行为动词后起限制作用)toomany+可数名词,是”非常”的意思muchtoo=quite+形容词/副词,是非常/十分,2.Hangonaminute!Iwillwritethatdowntoo!等等，我要把这点也记下来！Hangon表示：“让某人等一下”；例如：Sallysontheotherphonewouldyouliketohangon?萨利再接另一个电话，请您稍等一下可以吗？Hangon!Illbebackinaminute.稍等！我马上回来。,一、用英语写出下列数字：,ninety-eightthousandsevenhundredandfifty-four,Ninehundredandeighty-three,Exercise,fivehundred(and)sixty-six,sevenhundredandnine,566_709_983_98754_,3872,Threethousandeighthundredandseventy-two,46290,Forty-sixthousandtwohundredandninety,58230,Fifty-eightthousandtwohundredandthirty,59684,3219,648,215,fivehundredandninety-six,eighty-fourthousandthreehundredandtwenty-one,Ninemillion,sixhundredandforty-eightthousand,twohundredandfifteen,二、翻译下列句子。,1.北京人口是多少？,_the_Beijing?,2.中国的人口大约为13亿。,The_China_.,Whatispopulationo