初三英语第49课PPT课件

Lesson49What’sthepopulation?DesignbyLuYing教学目的： 数词的表示方法 有关询问人口数量的句型：What’sthepopulationof…?(……有多少人口？)Haveadictation19;34;8;95;21;47;60;82;53;76;500;780;1,300;8,670;2,956Studythenumbers:100onehundred1,000onethousand10,000tenthousand100,000onehundredthousand1,000,000onemillion10,000,000tenmillion100,000,000onehundredmillion1,000,000,000onebillion(一万)（一千万）（一亿）Howtoreadthenumbers333threehundredandthirty-three百位数hundred,如包含十位数及个位数，中间可用and连接，也可不用；如只包含个位数，即十位数为零时，则and不可省。如：542403fivehundred(and)forty-twofourhundredandthree英语中从1,100—1,900之间的整数常用hundred表示，如：1,500fifteenhundredHowtoreadthenumbers333,333threehundredandthirty-threethousandthreehundredandthirty-three1,1433,50020,000101,000onethousandonehundredandforty-threethreethousandfivehundredtwentythousandonehundredandonethousandHowtoreadthenumbers333,333,333threehundredandthirty-threemillionthreehundredandthirty-threethousandthreehundredandthirty-three6,482,30030,000,000Sixmillionfourhundredandeighty-twothousandandthreehundredthirtymillionHowtoreadthenumbers3,333,333,333threebillion,threehundredandthirty-threemillion,threehundredandthirty-threethousand,threehundredandthirty-threebillionmillionthousandA597E5,829I19,581M5,789,211B976F9,784J24,783N444,444,000C1,234G10,000K198,679O5,732,764,000D4,978H12,648L1,683,000P82,364,580,000Australia19,521,900What’sthepopulationof….?About….Wordstudy1.What’sthepopulationofChina?population人口.是个集体名词，一般不加复数，作主语时，谓语动词用单数第三人称形式；问有多少人口，即对population提问时，应用what，不用howmany。常见的表示法有：hasapopulationof…（有……人口）hasalargepopulation（人口众多）,hasasmallpopulation（人口不多）例如：Thecityhasapopulationoffivemillion.ThepopulationofShanghaiislarge.Thatcountryhasasmallpopulation.注当表示整体人口中有多少数量的人口是干什么的时，谓语动词则用复数，这里着重强调其中部分人。Fourfifthsofthepopulationinthiscityareworkers.Canada31,198,0001,295,330,000ChinaGermany81,981,900GreatBritain59,730,300NewZealand3,828,600TheUSA284,620,4006,055,000,000TheWorldWhatdoyouthinkofthepopulationoftheworld?2.551760yearhundredmillionWordstudy2.increaseeg.Thepopulationofthecityhasincreasedsincetenyearsago.v.增加，增长3。Iwonderif/whether…?我不知道……是否……；请问您是否可以……eg.Iwonderifyoucanhelpmewithit.(提出要求）Hewonderediftherewasahospitalnearby.(自问，自忖)What’sthepopulationofChina?Doyouthinkitwillincrease?Aboutonebillion,threemillion,Ithinkitwillincrease./Idon’tknowifitwillincrease.Exercise:Readandwriteafterthemodels.ModelA:867----eighthundredandsixty-seven3,980---________________________________________98,721---_______________________________________8,764,532---_____________________________________89,076,570--____________________________________threethousand,ninehundredandeightyninety-eightthousand,sevenhundredandtwenty-oneeightmillion,sevenhundredandsixty-fourthousand,fivehundredandthirty-twoeighty-ninemillion,seventy-sixthousand,fivehundredandseventyModelB:sixthousand,twohundredandthirty-three---6,233fivethousand,eighthundredandforty-six---__________seventy-threethousand,twohundredandfifty-one---________ninehundredandsixty-fourthousand,fivehundredandtwenty-five----___________eightmillion,fivehundredandsixtythousand,sixhundredandtwenty-eight----___________5,84673,251964,5258,560,628Good-bye