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.ppt

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