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1、Unit1TheChangingWorldTopic2Whichcountryhasthelargestpopulation?SectionB课件1NumbersinourlifeonehundredandfiftyYuantwothousandandeightOlympicGamesmillionsofstarstwopointtwosix(2.26)meterstallsince(自从）650millionyearsagoaboutonebillion(1,000,000,000)yearsoldLookandsay1,000,000,000onebilli
2、on1.34onepointthreefour100onehundred1,000onethousand1,000,000onemillion十亿点543.7fivehundredandforty-threepointseven1562onethousand,fivehundredandsixty-two6004001sixmillion,fourthousandandone7198764502sevenbillion,onehundredandninety-eightmillion,sevenhundredandsixty-fourthousand,fiveh
3、undredandtwo1.34onepointthreefour100onehundred1,000onethousand1,000,000onemillion1,000,000,000onebillion1.34onepointthreefour100onehundred1,000onethousand1,000,000onemillion1,000,000,000onebillion543fivehundredandforty-three3980threethousand,ninehundredandeighty98721ninety-eightthous
4、and,sevenhundredandtwenty-one768540sevenhundredandsixty-eightthousand,fivehundredandforty1.34onepointthreefour100onehundred1,000onethousand1,000,000onemillion1,000,000,000onebillion5555555555fivebillion,fivehundredandfifty-fivemillion,fivehundredandfifty-fivethousand,fivehundredandfi
5、fty-five2346780twomillion,threehundredandforty-sixthousand,sevenhundredandeighty405000000fortyhundredandfivemillionPracticesThereareabout1.3billionpeopleinChina.=Chinahasapopulationof1.3billion.What’sthepopulationofChina?A:What’sthepopulationofChina?B:It’sabout1.3billion.Talkaboutthe
6、chart6,800,000,000Whatalargepopulation!Thepopulationisincreasingby80millioneveryyear.808080A：Whatalargepopulation!Theworld…6.8billion.…80millioneveryyear.B：Whichcountry…?A：China…with…,andIndia…with….B：…theU.S.A.?A：296million.B：Itshows…developingcountries…developedcountries.A：…growfas
7、ter…B：Soitis.Thepopulationproblem…developingcountriesA：China…carryout…controlthepopulation.Actoutthedialog1.3billion__________________________________________________6575(miles)32million210million326(Yuan)8844.43(meters)CanadaWorkaloneMountQomolangmadinosaur（录音p12-2b）1.---_________is
8、thepopulatio
