重庆市綦江区三江中学九年级英语《Unit1 The Changing World》课件1 人教新目标版

SectionB 录音 Unit1TheChangingWorldTopic2Whichcountryhasthelargestpopulation numbersinourlife onehundredandfiftyyuantwothousandandeightOlympicGames millionsofstarssince 自从 650millionyearsago aboutonebillion 1 000 000 000 yearsold twopointtwosix 2 26 meterstall 1 000 000 000onebillion1 34onepointthreefour 100onehundred1 000onethousand1 000 000onemillion 十亿 点 Look 543 7fivehundredandforty threepointseven768sevenhundredandsixty eight6004001sixmillion fourthousandandone7198764502sevenbillion onehundredandninety eightmillion sevenhundredandsixty fourthousand fivehundredandtwo ListenandSay 录音 1 34onepointthreefour100onehundred1 000onethousand1 000 000onemillion1 000 000 000onebillion 543fivehundredandforty three3980threethousand ninehundredandeighty98721ninety eightthousand sevenhundredandtwenty one768540sevenhundredandsixty eightthousand fivehundredandforty Say 1 34onepointthreefour100onehundred1 000onethousand1 000 000onemillion1 000 000 000onebillion 5555555555fivebillion fivehundredandfifty fivemillion fivehundredandfifty fivethousand fivehundredandfifty five2346780twomillion threehundredandforty sixthousand sevenhundredandeighty405000000fortyhundredandfivemillion Thereareabout1 3billionpeopleinChina Chinahasapopulationof1 3billion What sthepopulationofChina A What sthepopulationofChina B It sabout1 3billion PairworkTalkaboutthechart 6 500 000 000Whatalargepopulation 6 5billion Thepopulationisincreasingby80millioneveryyear 80 80 80 Whichcountrieshavelargerpopula tion developingcountriesordevelop edcountries Developingcountries 2 WhathasChinaalreadydonetocontrolthepopulation Chinahascarriedouttheone childpolicy 1aListenreadandanswer 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 Sumup HowtoreadthenumbersinEnglishWhat sthepopulationof increasebycarryout Exercises 1 isthepopulationofIndonesia 223million A HowmuchB HowmanyC WhatD How2 Thereare studentsinourschool A threethousandsB threethousandsofC threethousandofD threethousand C D 1 完成同步练习册SectionB 2 Talkaboutthetopicsa WhydoesChinacarryouttheone childpolicy b Whatarethepopulationproblems Homework Goodbye 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 1 Chinahadapopulationof1 3billionin2005 2 It sabout6575milesfromBeijingtoToronto 3 MountQomolangmais8844 43metershigh 4