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pleasereadthenumbers,please.543.7fivehundredandforty-threepointseven1562onethousand,fivehundredandsixty-two6004001sixmillion,fourthousandandone7198764502sevenbillion,onehundredandninety-eightmillion,sevenhundredandsixty-fourthousand,fivehundredandtwo【课前预习，探索新知】一·单词互译与记忆(1).populationn.____________(2).(使)增加，增__________(3).billionnum.___________(4).reachv.__________(5)·政策.方针____________(6)幸运地___________二·读1a找到下列短语1)一份有关人口的报告________________2).68亿人口____________________3).增加了__________________________4).美国的人口___________________5).发展中国家___________________6).发达国家____________________________7).另外_____________________________8).人口问题__________________________9).执行____________________人口，人数十亿实现，到达increasev.policyn.luckilyadv.areportonpopulationapopulationof6.8billionincreasebythepopulationoftheU.S.AdevelopingcountriesdevelopedcountriesWhat`smorethepopulationproblemcarryout---Chinahasapopulationof1.3billion.---What'sthepopulationofChina?=It's1.3billion.Thepopulationindevelopingcountriesislargerthanthatindevelopedcountries.Chinahasthelargestpopulation.andIndiaissecondwith1.1billion.6.8billion80millon80million80millionThepopulationisincreasingby80millioneveryyear.increaseby+数字/倍数/百分数增加了increaseto+数字增加到……e.g.Thepriceofthehousehasincreasedbythreetimes.e.g.Thepriceofthehousehasincreasedto500000.Luckily,Chinahasalreadycarriedouttheone-childpolicytocontrolthepopulation.Thepopulationproblemhasbecomemoreseriousindevelopingcountries.Whatshouldwedo???实施，执行Wow,whatalargepopulation!1bListento1aandmatchtheinformation.1.theworld2.China3.India4.theUSAA.309millionB.6.8billionC.1.3billionD.1.1billion1cRead1aandfillintheblanks.Theworldhasapopulationof6.8billionanditisincreasingby__________everyyear._______hasthelargestpopulation.Ithasalreadyreached__________andIndiais_________with1.1billion.Thepopulationindevelopingcountriesis______andisgrowing________thanthatindevelopedcountries.Luckily,ourcountryhascarriedoutthe___________policytocontrolthepopulation.80millionChina1.3billionsecondlargerfasterone-childChoosethebestanswer.1.—______isthepopulationofRussia?—143million.A.HowmuchB.HowmanyC.WhatD.How2.Thereare______studentsinourschool.A.threethousandsB.threethousandsofC.threethousandofD.threethousand3.ThepopulationofChinais______thanthatofJapan.A.largerB.moreC.fewerD.lessCDAChoosethebestanswer.4.Theweatherinthenorthiscolderthan______inthesouthinChina?A.thisB.thatC.itD./5.Thepriceofthebookhasincreased______twice.A.byB.toC.withD.atBA1.ReadnumbersinEnglish.2.Talkaboutpopulationproblems.1.Somewords:population,billion,increase,reach,luckily,policy2.Somephrases:increaseby,developingcountries,developedcountries,carryout,theone-childpolicy3.Somesentences:What'sthepopulationofChina?Whatalargepopulation!Theworldhasapopulationof6.8billion.