九年级英语thepopulationproblem课件.ppt

CountryPopulation 1993 Australia17 800 000Canada28 100 000China1 160 000 000France57 000 000Germany81 100 000GreatBritain58 000 000India897 400 000TheUSA258 300 000Theworld5 506 000 000 Billionsofpeople Ineedfood Wewantmorehouses Ican thearwhattheteachersaid Becareful I vewaitedforalongtime Ican tbearsomanybuildings Wemustcontrolpopulationgrowthandimprovethepopulationqualityatthesametime Onechildforafamilyisbetter Ontheotherhand everybodyshoulduselessresource Itwillbringeveryonehealth safetyandpleasure Everybodymustpayattentiontothegreatworldproblem 完全免费 无需注册 天天更新 Questionsforthetext I Whatdoes standingroomonly mean Bywhatyearwilltheworld spopulationreach7billion Roomforstandingonly Bytheendofthetwentiethcentury 三星学科 教师助手 学生帮手 家长朋友 TheSurprisingSpeedofthePopulationGrowth 259 259 60 15 540 15 540 24 372 960 372 960 30 11 188 800 11 188 800 12 134 265 600 134 265 600 100 13 426 560 000 0 1600 1900 2000 1970 1990 2010 10 20 30 40 50 60 70 Population inhundredmillion Questionsforthetext II Abouthowmanybabiesareborninonehour Howmanynewbabiesdopeoplehavetofindfoodforinoneday Whatmaybethegreatestproblemoftheworldtoday Howisthepopulationgrowing Whenwasthepopulationover500million WhatdoesaUNreportsayabouttheworld spopulation Whatwillhappeninabout600years Completethepassage 259babiesborntheworldinjustone Thatmeanspeoplehavetofindfoodover370 000moreinoneday Thepopulationmaybethegreatestoneoftheworldtoday Theworld sisgrowingfasterand In1990 thewasoverfivebillion AUsaysthatthepopulationhaspassedsixbytheendofthetwentieth Peoplesaythattheyear2010 itmaybeseven Thatmeansthatabout600years therewillbestandingonlyontheearth Therewon tbeenoughforanybody Exercises I are in minute for mouths problem pop