九年级上册Unit1-The-Changing-World-Topic2-SectionC.ppt

SectionC 录音 Unit1TheChangingWorldTopic2Whichcountryhasthelargestpopulation 8 88 888 8 888 88 888 888 888 8 888 888 88 888 888 888 888 888 8 888 888 888 88 888 888 888 888 888 888 888 Tonguetwister What sthepopulationoftheworld China Whichcountryhasthelargestpopulation Thepopulationin develop countriesislargerandisgrowing slower faster Thepopulationproblemis moreserious lessserious indevelopingcountries Saysomethingaboutthepopulation developing Readparagraphoneandfillintheblanks Asiahadapopulationof in2005 That stosay oftheworld spopulationliveinAsia morethan3billion half 3billion 6 5billion 1 2 half 50percent 50 AlmosthalfofthepeopleintheworldliveinAsia 1 3billion 6 5billion 1 5 one20percent 20 OnefifthofthepeopleintheworldliveinChina fifth more 分数表达口诀 分子基数词 分母序数词 分子大于一 分母用复数 Pre readingquestions Whatproblemsdoesalargepopulationcause Becauseofthelargepopulation thereis more less livingspace Becauseofthelargepopulation it s difficult easy formanypeopletofindjobs Becauseofthelargepopulation weareshortof and Becauseofthelargepopulation thecitiesare thanbefore Becauseofthelargepopulation thetrafficis Readparagraphtwoandfillintheblanks Becauseofthelargepopulation thereislesslivingspace Becauseofthelargepopulation it sdifficultformanypeopletofindjobs Becauseofthelargepopulation weareshortofenergyandwater Becauseofthelargepopulation thecitiesaremorecrowdedthanbefore Becauseofthelargepopulation thetrafficismuchheavier What sthetopicsentenceofparagraphthree WhathasChinadonetocontrolthepopulation Readparagraphthreeandanswerthequestions One childpolicy Sofar ourgovernmenthastakenmanymeasurestocontrolthepopulation SaysomethingaboutChina sone childpolicy Whatistheauthor sattitudetowardsthepopulationproblem Freetalk One childpolicyhasworkedwellincontrollingChina spopulation Listenandread1a more Freetalkandfinish1b Topic thedisadvantagesofChina slargepopulation poorlivingcondition lowaveragepercapitaincome notenoughfood environmentproblem notwelldeveloped can tofferthechildrengoodeducation Thepopulationisincreasingby80millioneveryyear Anditisgrowingfasterandfaster Listento2aandfillintheblanks Everyminute about261babiesarebornintheworld Thatmeanspeoplehavetoforabout375840newbornbabieseveryday Theworld spopulationisgrowing Ithasbecomeoneofthebiggestproblemstoday Chinahasthelargestpopulationintheworld Thereareabout1 3billionpeopleinChina Ithasreachedpercentoftheworld spopulation Chinasomepoliciestocontrolthepopulation andthesepolicieswell ButChinastillfacesaseriouspopulationproblem findfood fasterandfaster 20 hascarriedout haveworked 录音 Read2aandmarkTorFin2b 1 Abouttwohundredandsixty onebabiesareborninChinaeveryminute 2 Thegrowthoftheworld spopulationisbecomingslowerandslower 3 NowthepopulationofChinaisabout1300000000 4 Chinahastwofifthsoftheworld spopulation 5 TheChinesegovernmenthassolvedthepopulationproblemsuccessfully F F T F F Writtenwork Populationproblem CurrentsituationHowtodealwithit ThepopulationofChinaThepopulationinthecountryDifficultiescausedbylargepopulation preferboys Sumup Howtoreadthefractions 分数 inEnglishbeshortofsofartakemeasurestoworkwellin Homework 完成同步练习册SectionC WriteacompositionaboutThePopulationinChina Goodbye onesixthoneninthonetwentieth fivesixthstwoninthsseventwentieths attention one a halfaquarter onefourththreequarters threefourthsthreeandahalf back pas