Unit 1 Topic 2 Section C 课件 2

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1、Unit1TheChangingWorldTopic2Thepopulationindevelopingcountriesisgrowingfaster.SectionC课件2Pre-reading1000000000First,trytoseparatethenumberingroupsofthreefromrighttoleft.Thenreaditinorderfrombilliontomillionandthousand.Howtoreadnumbers?1,000,000,000billionmillionthous

2、and1.Chinahasthelargestpopulation.ThepopulationofChinais1.3billion.Canadahasthesmallestpopulation.ThepopulationofCanadais34million.2.Thepopulationindevelopingcountriesislargerthanthatindevelopedcountries.Answersto3onpage12.晚婚晚育，少生优生。3.Thelargepopulationmaycausemanyp

3、roblems,suchaslesslivingspace,lessenergyandwater.4.Delayed marriage and delayed child bearing, fewer andhealthier births.1)WhydoesChinacarryouttheone-childpolicy?2)WhatsocialproblemsdoyouthinkChina’slargepopulationhascaused?BecausethepopulationofChinaissolargethatit

4、hascausedmanysocialproblems.Ithascausedlesslivingspace,lessjobopportunities,lessenergyandwater,morepollutionandsoon.Anothertwoquestionsonpage13.While-reading1aReadandunderstand.2.Writethetitleofthepassage.1bRead1aandmatchthemainideawitheachparagraph.1._____Paragraph

5、1A.themeasurestodealwiththeproblems2._____Paragraph2B.theworld’sandAsia’spopulation3._____Paragraph3C.theproblemscausedbylargepopulationPopulationProblemsBCA1cRead1aagainandcompletethetable.PopulationofChina____________________Socialproblemless______________fewer___

6、____opportunitiesless_______and______crowded________heavy_________________naturalenvironmentsGovernmentmeasure_____________________1.3billionjobenergywatercitiestrafficworsetheone-childpolicylivingspace3billion÷6.8billion≈1／2(half)Almosthalfofthepeopleintheworldlive

7、inAsia.50percent(50%)1.3billion÷6.8billion≈1／520percent(20%)AboutonefifthofthepeopleintheworldliveinChina.oneParagraph2Theproblemscausedbylargepopulation.fifthBecauseofthelargepopulation,thereis__________________foreachfamily.ReadParagraph2andfillintheblankslesslivi

8、ngspaceBecauseofthelargepopulation,itisdifficultforlotsofpeople______________.tofindjobsBecauseofthelargepopulation,itishardforChinatosupp