Unit1ThepopulationofChinaisabout1.37billion.1，Whatisyourplan?2，Whatdoesitmean?1，复习Unit1单词2，读懂Unit1课文，并熟记重点短语和句式1.Ispopulationincreaseabigprobleminmanycountries?Yes,itis.2.Howmanybabiesareborneveryminuteintheworld?Over250.3.WillChina’spopulationgrowfast?Why?No,itisn’t.BecausefamiliesaregettingsmallerCanyousaythesenumbers?•0•1•2•3•4•5•6•7•8•9•10•11•12•13•14•15•16•17•18•19•20•21•30•40•50•60•70•80•90•100zeroonetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentytwenty-onethirtyfortyfiftysixtyseventyeightyninetyhundred•101•110•122•143•1,000•1,000,000•1,000,000,000onehundredandoneonehundredandtenonehundredandtwenty-twoonehundredandforty-threeonethousand（千）onemillion(百万）onebillion(十亿）1,000,000,000billionmillionthousand•123•1,234•12,345•123,345onehundredandtwenty-threeonethousand,twohundredandthirty-fourtwelvethousand,threehundredandforty-fiveonehundredandtwenty-threethousand,threehundredandforty-fiveonemilliontwohundredandthirty-fourthousandfivehundredandsixty-sevencomma逗号英语中四位数和四位数以上数字的读法：从数字的右端向左端数起，每三位数加一个逗号“，”。从右开始，第一个“,”前的数字后添加thousand，第二个“,”前面的数字后添加million，第三个“,”前的数字后添加billion。然后一节一节分别表示，两个逗号之间最大的数为百位数形式。•7,000•28,000•135,000•7,000,000•4,500,000•79,000,000•350,000,000•21,000,000,000Let’spractise!seventhousandtwenty-eightthousandonehundredandthirty-fivethousandsevenmillionfourmillionandfivehundredthousandseventy-ninemillionthreehundredandfiftymilliontwenty-onebillion2,648twothousand,sixhundredandforty-eight16,250,064sixteenmillion,twohundredandfiftythousandandsixty-four5,237,166,234fivebillion,twohundredandthirty-sevenmillion,onehundredandsixty-sixthousand,twohundredandthirty-four•1，Thereis____bookonthedesk,and____bookisLily's.•2,Igotothestadiumonce___week.•3,Wewishyouhave___goodtimeinBeijing.•4,Heis___tal...
