Unit+2+Topic+2+Section+D 仁爱版九年级英语上册.pptx

Unit2SavingtheEarthTopic2SectionD学习目标学习目标预习检测预习检测知识梳理知识梳理课堂总结课堂总结学习导航重点探究重点探究当堂当堂检测检测学习目标学习目标能熟悉并正确运用本课时的重点单词和短语能熟悉并正确运用本课时的重点单词和短语12能巩固不定代能巩固不定代词词和副和副词词的用法的用法1.He_tofeelterrible.A.tastesB.smellsC.seemsD.sees2.Theyseem_agoodtime.A.havingB.tohave C.tohaving D.have预习检测预习检测CB3.Theboyhas_inEnglish.A.madesomeprogressB.madeprogressesC.mademanyprogressD.madeaprogress4.Asyoucansee,theground_snow.A.iscoverwithB.coverswithC.iscoveredwithD.iscoveredof5.Humanscanonlydrinkfreshwaterfromplaces_rivers,lakesandunderground.A.includeB.includesC.includedD.includingACD知识梳理知识梳理Keypoints1.Theseaseemstohavethebestanswer.海洋似乎有最好的答案。seemv.似乎是，其近义词：appear常见结构：seem+(tobe)+表语。eg:Heseems(tobe)quitehappy.他似乎很快乐。Itseemsthat+从句。eg:Itseemsthatheisquitehappy.他似乎很快乐。seemtodosth.eg:Heseemedtoenjoyhimself.他好像很愉快。Keypoints2.Thereisplentyofwaterinthesea.Butweneedtotakethesaltawayfromtheseawater.在海里有大量的水，但是我们需要将海水中的盐提取出来。plentyof大量的，许多的，后接可数名词复数或不可数名词。takeawayfrom从拿走Keypoints3.Howcanweavoidaseriouswatershortage?我们应该怎样避免严重缺水的问题呢？avoidv.避免，避开+n./v.ing；eg:Trytoavoidspeakingloudlyintheoffice.尽量避免在办公室大声喧哗。Keypoints4.Whilenearlyoftheearthiscoveredwithwater,wearestillshortofdrinkingwater.尽管地球差不多四分之三都被水覆盖，我们仍然缺少饮用水。nearlyadv.几乎，将近几乎，将近nearly与almost区别：almost多表示时间、程度、距离、进度，且almost可以修饰morethan,too,nothing,nobody,nowhere,noone,none,never等词，nearly则不行。nearly只与not连用。e.g.Ihavealmostneverseenhim.Inearlydidnthearwhattheteachersaidinclass.探究一不定代词和副词的用法巩固_ofuslikespollution.Dontspit_inpublic._shouldcareforwildanimalsandplantmoretrees.Weshoulddo_wecantoprotecttheenvironment.IndefinitePronounandAdverbGrammarNoneanywhereeverythingEveryoneIndefinitepronounandadverb不定代词和副词一、构成不定代词、副词是由some,any,no,every与thing,one,body,where等构成。E.g.something,someone,nowhere,anybody等。二、用法1.通常情况下,由some,every加后缀构成的不定代词、副词常用于肯定句；由any加后缀构成的不定代词、副词常用于疑问句、否定句中。E.g.Youwillfindyourbagsomewhere.Canyouhearanything?2.注意：当说话人希望得到肯定答复,或是表示建议、请求等意图时,something,somebody,someone也可以用于疑问句中。当要表达“任何人；任何事物”时,anything,anybody,anyone也可以用于肯定句中。E.g.Wouldyoulikesomethingtodrink?AnybodycandoitexceptTom.三、三、none和和noone的区别的区别noone只能指人，不跟of短语结构;可以回答who引导的问句。none既可以指人又可以指物，常跟of短语结构使用；可以回答howmany&howmuch引导的疑问句。E.g.Whoiswaitingforyououtside?Noone/Nobody.E.g.Howmanystampsdoyouhavenow?None._aresult(结果),alotofrichlandhaschanged_(变为)desert.Treescanstopthewindfrom_theearth_(吹走).Weshouldntleaverubbish_(到处).Alltheseproblemsareveryserious,_(所以)wemustdosomethingnow.FunctionsintoblowingawayhereandtheresoAs通过以上活动，我们可以知道：不定代词、副词是由some,any,no,every与thing,one,body,where等构成。由_加后缀构成的不定代词、副词常用于肯定句；由_加后缀构成的不定代词、副词常用于疑问句、否定句中。当堂检测见当堂检测见DCFDCF课件课件活动小结活动小结some,everyany探究二水资源的短缺Whatcanyoulearnfromtheshortmovie?Waterisimportant.Becausehumans,animalsandplantscantlivewithoutwater.Nearlythreefourthsoftheearthiscoveredwithwater.waterontheearth被覆盖几乎、将近Whilethereissomuchwateraroundtheworld,wehumansarestillshortofdrinkingwater.Sodoanimalsandplants.Doyouknowwhy?beshortof缺乏1aReadthepassageandputthefollowngparagraphsinthecorrectorder.()Theseaseemstohavethebestanswer.Thereisplentyofwaterinthesea.Butweneedtotakethesaltawayfromtheseawater.Thisisveryexpensive.Ifscientistscanfindcheaperwaystodoit,wecansolvetheproblemoftheshortageofwater.()Howcanweavoidaseriouswatershortage?First,weshouldsavewaterandnotwasteit.Second,weshouldprotectourwaterresourcesandnotpollutethem.Third,weshoulddiscoverwaystoreusewater.Scientistshavemadesomeprogressinthisfield.Today,somelargecitiesarereusingtheirwater.Butpeoplesneedforwaterisincreasingdaybyday.Westilldonthaveenoughwater.Whatelsecanwedo?32()Althoughtheworldishungry,itiseventhirstier.Whilenearlyoftheearthiscoveredwithwater,wearestillshortofdrinkingwater.Thisisbecauseabout97%ofthewaterontheearthisseawater.Sowecantuseitforwateringplantsordrinkingdirectly.Humanscanonlydrinkandusefresh waterfromplacesincludingrivers,lakesandunderground.11bRead1aagainandanswerthequestions.1.Whyisourworldthirstywhenoftheearthiscoveredwithwater?2.Whatcanwedonowtoavoidthewatershortage?Becauseabout97%ofthewaterontheearthisseawater,wecantuseitforwateringplantsordrinkingdirectly.First,weshouldsavewaterandnotwasteit.Second,weshouldprotectourwaterresourcesandnotpollutethem.Third,weshoulddiscoverwaystoreusewater.3.Whatwillbethebestwaytosolvetheprobleminthefutureinthepassage?4.Doyouknowanyotherwaystosolvetheproblem?Whatarethey?Tofindcheaperwaysoftakingthesaltawayfromtheseawater.PracticeListento1aandreadthepassageandfindthefollowingphrases.1.缺乏2.在地球上3.用某物做某事4.避免某事 5.取得（一些）进步6.在这个领域7.一天天8.似乎/好像做某事9.大量的10.带走、拿走11.的缺乏beshortofontheearthusesthforsth/doingsthavoidsthmake(some)progressinthefielddaybydayseemtodosthplentyoftakeawaytheshortageofGroupworkDiscussingroupsdifferentwaysofprotectingandsavingwater.Writedownthekeyinformation.Passlawsagainstwaterpollution.Collectandreusewastewater.Writeaproposalaboutsavingwatertoallthestudentsinyourschool.Youcanwriteitlikethis:Mydearfriends,Waterisveryimportanttohumanbeings.Letsdosomethingtoprotectandsaveit.First,we should protect our water resources and notpollutethem.Thegovernmentshouldalsopasslawsagainstthewaterpollution.Second,weshouldsavewaterinourdailylife,turnoffthetapsintime,takeashowerinsteadofabath,andalwaysremembertocollectandreusewater.Third,letstrytospreadthemessageaboutprotectingandsavingwater.Makemorepeoplearoundusknowtheproblemofwatershortageandhowtohelpsolveit.Letstryourbesttosavewaterandourplanet.StudentUnionMakingPostersAboutNaturalResources1.Dividetheclassintoseveralgroups:WaterGroup,TreeGroup,SoilGroup2.Eachgroupshoulddiscusstheirownuses,theproblemsthattheyfaceandtheirwishes.Thengiveareportinclass.Example:Uses:Iamsoil.Plantscantgrowwithoutme.PeopleusemetomakemanythingsProblems:Sometimespeopleusetoomanychemicalsinthefields.Whatsworse,theyputwasteintothelandSoImhurt.Pleasehelpme.Wishes:Ihopehumanbeingscanprotectandtakecareofme.AndthenIcoulddomoreusefulthingsforthem3.Makesomeposterswiththeresults.Project通过以上活动，我们可以知道：为了解决水资源短缺，我们可以做到以下三点：First,weshouldsavewaterandnotwasteit.Second,weshouldprotectourwaterresourcesandnotpollutethem.Third,weshoulddiscoverwaystoreusewater.当堂检测见当堂检测见DCFDCF课件课件活动小结活动小结当堂检测当堂检测根据句意及汉语提示完成句子。1.Ifwewanttousetheseawater,wemust_(拿走)thesaltfromtheseawater.2.Howcanwe_(避免)aseriouswatershortage?3.Weshould_(找到)waystoreusewater.4.Peoplesneedforwaterisincreasing_(一天天).5.Althoughtheworldishungry,itiseven_(更渴的).6.While_(几乎，差不多)oftheearthiscoveredwithwater,wearestillshortofdrinkingwater.takeawayavoiddiscoverdaybydaythirstiernearlySummaryUnit2Topic2SectionD巩固不定代词和副词的用法学习怎样保护水资源以及节约用水