Module 9 Unit 1 Will computers be used more than books in the future？课件（共12张ppt） 外研版九年级英语上册.pptxVIP

Module9PopulationUnit1Theworldspopulationwasabout7.8billionin2020.年级：八年级学科：英语(外研版)

billionmillionfourhundredandtwenty-fivewillion,900thousandsixhundredandfifty-sevenLetsreadonebillion,书写时每三位划分为一个单位。十位与百位间用“and”。ninehundredthousand,

onebillion,fourhundredandtwenty-ninemillion,onehundredandtwenty-fourthousand,fivehundredthreehundredandfortymillion,sixty-fivethousand,fivehundredandfifty-six1,429,124,5001.4billion1,425,657,900340,065,556Letsread

LetslistenListenandchoosethecorrectanswer.1.WhatsthepopulationofNewYork?a)About17million.c)About30million.b)Aboutqmillion.2.WhatsthepopulationofTokyo?a)About4million.c)About14million.b)About28million.

LetstalkWhatdoyouthinkofTokyo?crowded→lotsofpeople·noisy→lotsofnoiseTokyo·

LetsthinkAlargepopulationcausesTheworldpopulationisstillgrowing/increasing.ToomuchnoiseToomuchtrafficmanyproblems

LetslistenListenandtick(√)thecorrectanswerWhataretheytalkingabout?Theworldspopulationin2020and2030.Countriesthatseethemostpopulationgrowth.Problemscausedbypopulationincrease. Waysofwritingthereport.

PopulationTheworldIn2020:about7.8billionIn2030:8.5billion.IndiaIn2030:about1.5billion.China?ProblemsThethree-childpolicyCountrieswithhighbirthratesToomuchtrafficandnoise.CountrieswithlowbirthratesNotenoughpeopletodoallthe jobsorlookaftertheolderonesLetslistenListenandcompletetheform...

Lingling:Whatareyoudoing?Tony:Impreparingareportcalled“Theworldspopulation”.Lingling:Well,Icanhelp!Ijustwatchedavideoaboutworldpopulationyesterday.Itsaidtheworldspopulationwasabout7.8billionin2020.Andthenumberwillclimbto8.5billionin2030.Tony:Icantbelieveit!Thatsahugenumber.Whichcountriesareseeingthemostpopulationgrowth?Lingling:Thelargestinc