湘教仁爱版初中英语九年级下学期Unit 1 The Changing World.课件

SectionB Topic2Chinahasthelargestpopulation YangbuMiddleSchoolYanNi numbersinourlife onehundredandfiftyyuantwothousandandeightOlympicGames millionsofstarssince 自从 650millionyearsago A What sthepopulationofChina B It sabout1 3billion PairworkTalkaboutthechart 6 500 000 000Whatalargepopulation 6 5billion Thepopulationisincreasingby80millioneveryyear 80 80 80 billion bilj n 十亿Increase in kri s 增加 Newwords difficulty difik lti 困难的 aboutonebillion 1 000 000 000 yearsold twopointtwosix 2 26 meterstall 1 000 000 000onebillion1 34onepointthreefour 100onehundred1 000onethousand1 000 000onemillion 十亿 点 Look 543 7fivehundredandfifty threepointseven768sevenhundredandsixty eight6004001sixmillion fourthousandandone7198764502sevenbillion onehundredandninety eightmillion sevenhundredandsixty fourthousand fivehundredandtwo ListenandSay 录音 1 34onepointthreefour100onehundred1 000onethousand1 000 000onemillion1 000 000 000onebillion 973ninehundredandseventy three3980threethousand ninehundredandeighty98721ninety eightthousand sevenhundredandtwenty one768540sevenhundredandsixty eightthousand fivehundredandforty Say 记忆大比拼 1 34onepointthreefour100onehundred1 000onethousand1 000 000onemillion1 000 000 000onebillion 5555555555 fivebillion fivehundredandfifty fivemillion fivehundredandfifty fivethousand fivehundredandfifty five 2346780 twomillion threehundredandforty sixthousand sevenhundredandeighty 82364580 eighty twomillion threehundredandsixty fourthousand fivehundredandeight 405000000 fortyhundredandfivemillion Whichcountrieshavelargerpopula tion developingcountriesordevelop edcountries Developingcountries 2 WhathasChinaalreadydonetocontrolthepopulation Chinahascarriedouttheone childpolicy 1alistenreadandanswer population large small 集合名词某地整体人口是多少 作单数 强调具体成员某地的部分人口 作复数 e g Thepopulationofthiscityisnearly300000 这个城市的人口将近三十万 e g 80 ofthepopulationinChinaarefarmers 中国百分之八十的人口是农民 back increaseby 倍数或百分数 e g Thecostoflivinghasincreasedbythreetimes increaseto 具体数字 e g Thepriceofthehousehasincreasedto500000 300 300 300 300 350 150 500 back carryout实行 进行 执行 e g WewillcarryoutanewplantoimproveourEnglish carry 代词 out e g It seasytocarryitout back A Whatalargepopulation Theworld 6 5billion 80millioneveryyear B Whichcountry A China with andIndia with B theU S A A 296million B Itshows developingcountries developedcountries A growfaster B Soitis Thepopulationproblem developingcountriesA China carryout controlthepopulation Actoutthedialog 6575 miles 32million 210million 326 yuan 8844 43 meters Canada Workalone MountQomolangma dinosaur 录音 1 Chinahadapopulationof1 3billionin2005 2 It sabout6575milesfromBeijingtoToronto 3 MountQomolangmais8844 43metershigh 4 ThepopulationofCanadawasabout32millionin2005 5 Thedinosaurlived210millionyearsago 6 Thecoatintheshopcosts326yuan tapescript back MountQomolangma dinosaur 录音 1 Whichcountryhasa population EnglandorGermany A moreB fewerC lessD smaller 3 HowisthehousepriceofIndoesia Itisincreasing 5 everyyear A toB byC atD with Exercises 2 Davidhasmadegreatprogressrecently and A Sohehas sohaveyouB Sohehas soyouhaveC Sohashe sohaveyouD Sohashe soyouare D A B Exercises 4 isthepopulationofIndonesia 223million A HowmuchB HowmanyC WhatD How5 Thereare studentsinourschool A threethousandsB threethousandsofC threethousandofD threethousand C D Sumup howtoreadthenumbersi