外研版英语八年级上册Module 9 Population Unit 1 课件

noisepreparereportbillionhugeincreasen.

噪声；杂音v.

准备；预备n.

报告；汇报num.

十亿adj.

巨大的；庞大的n.

增大；增长v.

增大；增长

ReadafterthetapeandspeakouttheChineseimmediately.hangonnotescauseproblemgrowbirth

(口)稍等n.(pl)

笔记；随笔v.

造成；引起n.

麻烦；问题v.

增长；增大n.

出生

Unit1

Theworld’spopulationwasabout7.8billionin2020.Module9PopulationWritedownthenumbersinEnglishandreadthemaloud.01234567891011121314151617181920212223242526272829zeroonetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentytwenty-onetwenty-twotwenty-threetwenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-nine1011101221431,0001,000,0001,000,000,000onehundredandoneonehundredandtenonehundredand

twenty-twoonehundredand

forty-threeonethousand(千)onemillion(百万)onebillion(十亿)Howtoreadmorecomplexnumbers?30405060708090100thirtyfortyfiftysixtyseventyeightyninetyhundred6,500,431,729billionmillionthousand英语中四位数和四位数以上数字的读法：*朗读数字时，从右往左，将每三位看做一个单位；*上例中的数字可以分解为：…billion…million…thousand…；*每个单位里的数字按照百、十、个位往后读，遵循百以内数字的读法。Trytoread该数字的读法为：sixbillion,fivehundredmillion,fourhundredandthirty-onethousand,sevenhundredandtwenty-nineseventhousandsixteenmillion,twohundredandfiftythousandandsixty-fourfivebillion,twohundredandthirty-sevenmillion,onehundredandsixty-sixthousand,twohundredandthirty-four5,237,166,23416,250,0647,000135,000onehundredandthirty-fivethousandLet’spractise!8,742

2,463,1281,370,000,0002,000,030,000Listenandrepeatthenumbers.eightthousand,sevenhundredandforty-twotwomillion,fourhundredandsixty-threethousand,onehundredandtwenty-eightonebillion,threehundredandseventymilliontwobillionandthirtythousandWhatwasthepopulationoftheworldin2020?Watchavideoandfindtheanswer.P735about7.8billionThepopulationintheworldisgrowingfasterandfaster.Anditbringsalotofproblems.ToomuchnoiseAlotoftrafficNotenoughsapceWorkinpairs.Lookatthepictureandtalkaboutit.Usethewordsintheboxtohelpyou.Therearesomanypeopleintheshops.Thereisalotofnoiseinthecity,especiallyontheroad.Thetrafficissoheavyinmoderncities.Forreference:P721cityshopnoisepeopletrafficListenandchoosethecorrectanswer.WhatisthepopulationofNewYork?a)About17millionb)About9millionc)About30million2.WhatisthepopulationofTokyo?a)About4millionb)About28millionc)About14millionP722Tapescript12Doyouknowthepopulationoftheworldin2020?Nowreadtheconversationtofindtheanswer.PopulationPopulationoftheworldin2020Populationoftheworldin2030PopulationofIndiain2030about7.8billion8.5billionabout1.5billionCompletethenotes.Task1P7231.Linglingispreparingareportcalled“Theworld’spopulation”.2.Theworld’spopulationwillclimbto8.5billionin2040.3.ThelargestincreaseinpopulationwilltakeplaceinItaly,NigeriaandPakistan.4.Toomanypeoplemaycausetoomuchtrafficandnoise.Tony2030.ORTask2India,WhatareLinglingandTonytalkingabout?2.By2030,whichcountrywillhaveabout1.5billionpeople?3.Whatwillthegrowingpopulationcause?4.Whatwilltheslow-growingpopulationcause?India.Readandanswerthefollowingquestions.Theyaretalkingabouttheworld’spopulation.Itwillcausealotofproblems,suchastoomuchtrafficandnoise.Task3Maybetherearen’tenoughpeopletodoallthejobs,orenoughyoungpeopletolookaftertheolderones.1234Checkyouranswers:1.

Birthhappensatthestart/attheendoflife.2.Hugemeanslarge/small.3.Anincreaseinpopulationmeansmore/fewerpeople.4.Hangonaminutemeanswaitingforashorttime/alongtime.5.Makingnotesmeanswritingalongpassage/afewwords.6.Aproblemissomethingeasy/difficult.7.Areportisalongpieceofwriting/afewwords.8.Abillionisahundred/athousandmillion.Task4P734Choosethecorrectanswer.Payattentiontothecircledexpressions.比如；诸如我简直不敢相信！发生；举行稍等一下！……怎么样照顾；关心感谢；多亏TranslatetheexpressionsintoEnglish.1.比如；诸如2.稍等一下！3.照顾；关心4.我简直不敢相信！5.发生；举行6.感谢；多亏7.……怎么样lookaftersuchasHangonaminute!Ican’tbelieveit!takeplaceTask5thanksforhowaboutCompletethepassagewithproperwords.Theworld’spopulationwasabout________in2020,andthenumberwill_________8.5billionin2030.Largepopulation______alotofproblems,suchastoomuch_______and_____.Countrieswithlowbirth______haveproblemstoo.There_______enoughpeopledoallthejobs,orenoughyoungpeopleto_________theolderones.traffic7.8billionratescausesTask6noiseclimbtoaren’ttakecareReadandlearntheconversationbyheartin5minutesLinglingWhatareyoudoing?I’mpreparingareportcalled“Theworld’spopulation”.Well,Icanhelp!Ijustwatchedavideoaboutworldpopulationyesterday._____theworld’spopulationwasabout7.8billionin2020.Andthenumberwillclimbto________in2030.1Role-playThelargestincreaseinpopulationwill________inIndia,NigeriaandPakistan.__2030,Indiawillhaveabout1.5______people.____________!That’sahugenumber.Whichcountriesareseeingthemostpopulationgrowth?TonyWe’llseewhichgroupdoesthebest.LinglingWhenpopulationsincreasetoo____,itcancauseproblems,_____toomuchtrafficandnoise.That’strue.Howaboutcountrieswith______________populations?Countrieswithlowbirthrateshaveproblemstoo.There____enoughpeopletodoallthejobs,___enoughpeopleto________theoldones.2Role-playIsee.Great,_______theinformation!Now,Icanwritemy______.TonyPronunciation&speaking8,742

2,463,1281,370,000,0002,000,030,000Listenandrepeatthenumbers.P735eightthousand,sevenhundredandforty-twotwomillion,fourhundredandsixty-threethousand,onehundredandtwenty-eightonebillion,threehundredandseventymilliontwobillionandthirtythousandTakeareviewPrepareatalkontheworld’spopulation.Thinkaboutthequestions.Whatisthepopulationoftheworld?Howfastistheworld’spopulationgrowing?Whataretheproblemsoffast-growingandslow-growingpopulations?Whatelsedoyouknowabouttheworld’spopulation?P736Nowworkinpairsandgiveyourtalk.Observeandthink历次人口普查城乡人口数量及比重历次人口普查全国人口及年均增长率ObservethesetwographsofChina’snationalpopulationcensus(人口普查)andthinkaboutwhydothechangeshappen.4.intherightplace2.suchas3.Hangonaminute!5.Ican’tbelieveit!1.thatis1.Ithinkmybrotherspends________moneyoncomputergames.2.Ifyouhavehealth________,youshouldgotoseeadoctor.3.One______ofthestudentsinmyclassdidn’tpasstheexamyesterday.4.A________numberofuniversitystudentsaretakingpart-time(兼职的)jobs.5.-Willyougotomyaunt’sfarmwithmeattheweekend?-I’mnotsure.