仁爱英语九年级上册Unit1Topic2SectionC.ppt

Unit1TheChangingWorld Topic2Thepopulationindevelopingcountriesisgrowingfaster SectionC 城北学校 留住蓝色地球 8 88 888 8 888 88 888 888 888 8 888 888 88 888 888 888 888 888 8 888 888 888 88 888 888 888 888 888 888 888 Tonguetwister Thepopulationindevelopingcountriesis thanthatindevelopedcountries Whichcountryhasthelargestpopulation What sthepopulationofChina larger 1a1 Beforeyoureadthepassage discussthequestionswithyourpartner 1 WhydoesChinacarryouttheone childpolicy 2 WhatsocialproblemsdoyouthinkChina slargepopulationhascaused 预习导纲 阅读短文 在文中找到并写出下面的短语 1 三十多亿人口 2 几乎世界人口的一半 3 大约五分之一的人 4 更少的生活空间 5 带来很多其它的困难 6 整个国家 民族 7 提供能源和水 8 更加拥挤 9 到目前为止 10 采取很多措施 11 控制人口数量 12 beknownas 13 workwellindoing 14 多亏了这个政策 15 一条很长的路要走 读和翻译下列句子 注意观察划线部分 然后进行探究 一 That salmosthalfoftheworld spopulation andaboutonefifthofthepeopleintheworldliveinChina 探究 onefifth五分之一 half二分之一分数表达口诀 分子 分母 分子大于一 分母用 试一试 1 2 1 3 2 3 3 4 特殊情况 a half aquarter 拓展 几分之几的 分数 ofthe 名词 当做主语时 单复数由名词来决定 练习 a Twofifthsofthestudents be fromEurope b Twofifthsofwater be fromtheriver 那几乎是世界人口的一半 而且世界上大约五分之一的人生活在中国 基数词 序数词 复数 a onehalf onethird twothirds threefourths threequarters 二分之一 四分之一 are is onesixthoneninthonetwentieth fivesixthstwoninthsseventwentieths ATTENTION 读一读 one ahalfaquarterthreequartersthreeandahalf 二 Itisdifficultforlotsofpeopletofindjobs ItishardforChinatosupplyenergyandwatertosatisfypeople sdailyneeds 探究 it是 真正的主语是划线的 试一试 解决人口问题对我们大家是重要的 isimportant usall thepopulationproblem 三 Sofar ourgovernmenthastakenmanymeasurestocontrolthepopulation 译 探究 sofar到目前为止 常与 一起使用练习 a Sofar I make severalgoodfriendsinmyschool b Sofar China have thelargestpopulationintheworld 对于许多人来说找到工作是难的 对于中国来说 为满足人们的日常需要提供能源和水是难的 形式主语 不定式 It for tosolve 到目前为止 我国政府已采取措施来控制人口增长 现在完成时 havemade hashad 1 因为下雨 足球赛延期了 Thefootballmatchwasputoff therain 2 Doyouhaveany difficult inEnglish 3 Theyhave 采取措施 todowithit 4 NotallChinesefamiliescano theirchildrengoodeducation 5 Itisn teasyforus 执行 thisplan 6 Theyhavedone ofthework Theywillfinishtherestsoon A twothreeB twothirdC twothirdsD secondthree 当堂训练 becauseof difficulties takenmeasures ffer to carry out C 1aReadandunderstand 2 Writethetitleofthepassage 1bRead1aandmatchthemainideawitheachparagraph 1 Paragraph1A themeasurestodealwiththeproblems2 Paragraph2B theworld sandAsia spopulation3 Paragraph3C theproblemscausedbylargepopulation PopulationProblems B C A 1cRead1aagainandcompletethetable 1 3billion job energy water cities traffic worse theone childpolicy livingspace ReadParagraph1andfillintheblanks Asiahasapopulationof That stosay almost ofthepeopleintheworldliveinAsianow morethan3billion half Paragraph1Theworld sandAsia spopulation 3billion 6 8billion 1 2 half 50percent 50 AlmosthalfofthepeopleintheworldliveinAsia 1 3billion 6 8billion 1 520percent 20 AboutonefifthofthepeopleintheworldliveinChina one Whatsocialproblemshasitcaused Paragraph2Theproblemscausedbylargepopulation fifth Becauseofthelargepopulation thereis foreachfamily ReadParagraph2andfillintheblanks lesslivingspace Becauseofthelargepopulation itisdifficultforlotsofpeople tofindjobs Becauseofthelargepopulation itishardforChinatosupply and tosatisfypeople sdailyneeds energywater Becauseofthelargepopulation mostcitiesare thanbefore andthetrafficismuch morecrowded heavier Becauseofthelargepopulation naturalenvironmentsarebecoming worseandworse Theone childpolicy Everycouplecanhaveonlyonechild Sofar theone childpolicyhasworkedwellincontrollingChina spopulation Westillhavealongwaytogo Paragraph3Themeasurestodealwiththeproblems 1aListen lookandsay Everyminute about261babiesarebornintheworld Thatmeanspeoplehaveto foodforabout375840newbornbabieseveryday Theworld spopulation fasterandfaster Ithas oneofthebiggestsocialproblemstoday China thelargestpopulationintheworld Thereareabout1 3billionpeopleinChina Ithas 20percentoftheworld spopulation Chinahas somepoliciestocontrolthepopulation andthesepolicieshave well ButChinastill aseriouspopulationproblem 2Completethefollowingpassagewiththecorrectformsofthegivenwordsorphrases find grows isgrowing become carriedout reached growreachhavefindworkbecomefacecarryout has worked faces 3aWorkingroupsandsearchfortheinformationaboutthefollowingquestions Thenshareyourideawithyourgroupmembers 1 Howdoyouthinkwecangetmorelivingspace 2 Whatshouldthegovernmentdotooffermorejobopportunities 3 Theenergyandwaterislessandless Whatshouldwedotodealwithit 4 Thetrafficincitiesismuchheavierthanbefore Howcanwesolvetheproblem 3bWriteashortpassageofthreeparagraphsbasedon3a Onepossibleversion Chinahasthelargestpopulationintheworld Ithascausedmanyproblems Everyoneshoulddosomethingtosolvethem First thegovernmentshouldkeeptheone childpolicytocontroltheincreasingpopulation andpracticethereformandopening uptodevelopoureconomy Onlyinthiswaycanwegetmorejobsandimproveourlivingconditions Second theenergyandwaterisbecominglessandless We dbettersavethemasmuchaspossible andtrytofindmorenewenergy Inordertosolvetheproblemofheavytraffic wecalloneveryonetotakeabusorwalkasoftenaspossible Choosethebestanswer 1 ofthestudentsareboysinourschool A TwothirdB TwothreesC TwothirdsD Secondthree2 Theone childpolicyhas controllingChina spopulation A beengoodatB donewellinC takencareofD workedwellin3 Edisonisknown agreatinventor A forB asC inD on4 yourhelp Imadegreatprogressinmath A ThanksforB ThankstoC ThanktoD Thankfor C D B B Exercises 用所给单词的适当形式填空 Chinaisacountrywiththelargest intheworld Toomanypeoplecausetoomuch forexample thefoodproblem Andtoday inorderto theincreasingpopulation Chinahascarriedoutthe offamilyplanning Thatislatemarriage 晚婚 latechildbirth 晚育 andhavingfewerbuthealthier Menof22yearsold womenof20yearsoldcangetmarried Ifamanof25getsmarriedwithawomanof23or 23 theirmarriageisalatemarriage Childbirthbyawomanatthe of25ormoreisalatechildbirth The encouragespeopletohaveonlyonechildinafamily Andone childpolicyisstillneededinChinainthe years population trouble control policy children and over age government following summary Welearn 1 ReadthefractionsinEnglish 2 Talkaboutpopulationproblems Wecan 1 Somewords social supply natural worse government paragraph opportunity newborn percent offer2 Somephrases halfof onefifth becauseof satisfypeople sdailyneeds sofar takemeasurestodo beknownas workwellin thanksto3 Somesentences Westillhavealongwaytogo Homework 2 Writethecompositionin3b 1 Read1aaloud 3 FinishSectionCinyourworkbook 4 PreviewSectionD Thankyou