仁爱英语九上unit1topic2sectionB.pptx

SectionB Unit1TheChangingWorld Topic2Thepopulationindevelopingcountriesisgrowingfaster 543 7fivehundredandforty threepointseven1562onethousand fivehundredandsixty two6004001sixmillion fourthousandandone7198764502sevenbillion onehundredandninety eightmillion sevenhundredandsixty fourthousand fivehundredandtwo 973ninehundredandseventy three3980threethousand ninehundredandeighty98721ninety eightthousand sevenhundredandtwenty one768540sevenhundredandsixty eightthousand fivehundredandforty 2346780twomillion threehundredandforty sixthousand sevenhundredandeighty82346580eighty twomillion threehundredandforty sixthousand fivehundredandeighty405000000fourhundredandfivemillion5555555555fivebillion fivehundredandfifty fivemillion fivehundredandfifty fivethousand fivehundredandfifty five 6800 80 80 80 Thepopulationisincreasingby80millioneveryyear Theworldhasapopulationof6 8billion Whatalargepopulation 1population意为 人口 居民 常用形容词large或small来表示人口的多少 Chinahasthelargestpopulationintheworld 中国拥有世界上最多的人口 注 常用句式 What sthepopulationof 意为 人口是多少 haveapupulationof 意为 有 人口 e g Chinahasapupulationof1 3billion 中国有13亿人口 2increasev 使 增加 使 增大 增多 increaseby 倍数或百分数 表示 增加了 倍或百分之 e g Comparedwithlastyear ourpayhasincreasedbythreetimes 与去年相比 我们的工资增长了3倍 increaseto 具体的增长后的数字 表示 增加到了 e g Ourriceoutputhasincreasedto6milliontonsthisyear 我们的水稻产量今年增长到了600万吨 3carryout实行 进行 执行 e g Itwon tbeaneasyplantocarryout 那并不是一个容易实施的计划 e g Thisisanewpolicy andtheywillcarryitoutnextyear 这是一项新政策 他们将在明年实施它 Makesimilarconversationsaftertheexample Example A What sthepopulationoftheworld B It sabout6 8billion Thesupermarketisverycrowded Soitis So 主语 be 情态动词 助动词 Lucydancesverywell Shehascleanedtheroom Soshedoes Soshehas Soitis Languagepoints 确实如此 Choosethebestanswer 1 isthepopulationofRussia 143million A HowmuchB HowmanyC WhatD How2 Thereare studentsinourschool A threethousandsB threethousandsofC threethousandofD threethousand3 Jennyalwayshelpsothers A SoissheB SosheisC SodoessheD Soshedoes4 ThepopulationofChinais thanthatofJapan A largerB moreC fewerD less C D D A Exercises 通常用large big small来修饰 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 强调人口的具体分布或构成 作复数 BACK population 集合名词某地整体人口的数量 作单数 4 Therearesixtyteachersinourschool ofthemarewomen A TwothirdB TwothreesC TwothirdsD Secondthree 5 He sreadthisbookbefore A hasn theB