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SectionBnumbersinourlife1,000,000,000onebillion1.34onepointthreefour543.7fivehundredandforty-threepointseven1562onethousand,fivehundredandsixty-two6004001sixmillion,fourthousandandone7198764502sevenbillion,onehundredandninety-eightmillion,sevenhundredandsixty-fourthousand,fivehundredandtwo1.34onepointthreefour100onehundred1,000onethousand1,000,000onemillion1,000,000,000onebillion1.34onepointthreefour100onehundred1,000onethousand1,000,000onemillion1,000,000,000onebillionThereareabout1.3billionpeopleinChina.=Chinahasapopulationof1.3billion.What’sthepopulationofChina?A:What’sthepopulationofChina?B:It’sabout1.3billion.6,800,000,000Whatalargepopulation!Thepopulationisincreasingby80millioneveryyear.Whichcountrieshavelargerpopula-tion,developingcountriesordevelop-edcountries?Developingcountries.2.WhathasChinaalreadydonetocontrolthepopulation?Chinahascarriedouttheone-childpolicy.A：Whatalargepopulation!Theworld…6.8billion.…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.1.3billion__________________________________________________SumupExercises1.完成同步练习册SectionB。2.Talkaboutthetopicsa.WhydoesChinacarryouttheone-childpolicy?b.Whatarethepopulationproblems?Goodbye!population(large\small)increaseby+倍数或百分数(e.g.)Thecostoflivinghasincreasedbythreetimes.increaseto+具体数字(e.g.)Thepriceofthehousehasincreasedto500000.carryout实行,进行,执行(e.g.)WewillcarryoutanewplantoimproveourEnglish.carry+代词+out(e.g.)It’seasytocarryitout.
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