仁爱九年级英语上册UnitTopic2SectionB.pptx

numbersinourlifeonehundredandfiftyyuantwothousandandeightOlympicGamesmillionsofstarssince(自从)650millionyearsagoaboutonebillion(1,000,000,000)yearsoldtwopointtwosix()meterstall1,000,000,,housand1,000,-housand,fivehundredandsixty-two6004001sixmillion,fourthousandandone7198764502sevenbillion,y-eightmillion,sevenhundredandsixty-fourthousand,,housand1,000,000onemillion1,000,000,000onebillionListenandSay(录音p12-2a),housand1,000,000onemillion1,000,000,000onebillion543fivehundredandforty-three3980threethousand,y-eightthousand,sevenhundredandtwenty-one768540sevenhundredandsixty-eightthousand,,housand1,000,000onemillion1,000,000,000onebillion5555555555fivebillion,fivehundredandfifty-fivemillion,fivehundredandfifty-fivethousand,fivehundredandfifty-five2346780twomillion,threehundredandforty-sixthousand,.=’sthepopulationofChina?LookandpracticeA:What’sthepopulationofChina?B:It’,800,000,000Whatalargepopulation!