九年级英语上册 Unit 2 Topic 2 All these problems are very serious Section D课件 （新版）仁爱版.ppt

Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious SectionD Grammar None anywhere Everyone everything Indefinitepronounandadverb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 1 Whichwouldyouliketodrink teaorcoffee thanks I mnotthirsty A EitherB NeitherC LittleD Few2 Thestudentsaredoingsomecleaning Somearesweepingthefloor arecleaningthedesksandchairs A otherB theotherC anotherD others3 Myparentsare doctors A bothB allC eitherD neither4 Thereis withmycomputer Canyouhelpme A wronganythingB anythingwrongC wrongsomethingD somethingwrong5 Thewindwasblowingstrongly peoplewalkedinthestreet A LittleB AlittleC FewD Afew6 Hurryup Thereis timeleft A alittleB littleC afewD few Exercises Functions aresult 结果 alotofrichlandhaschanged 变为 desert Treescanstopthewindfrom theearth 吹走 Weshouldn tleaverubbish 到处 Alltheseproblemsareveryserious 所以 wemustdosomethingnow into blowing away hereandthere so As waterpollution Imagineyouarewater Pleasetellusyourfunctions problemsandwishes I mwater Iusedtobe Factoriesusuallypour Iwishhumanbeings 1aReadthepassageandputthefollowingparagraphsinthecorrectorder Theseaseemstohavethebestanswer Thereisplentyofwaterinthesea Butweneedtotakethesaltawayfromtheseawater Thisisveryexpensive Ifscientistscanfindcheaperwaystodoit wecansolvetheproblemoftheshortageofwater Howcanweavoidaseriouswatershortage First weshouldsavewaterandnotwasteit Second weshouldprotectourwaterresourcesandnotpollutethem Third weshoulddiscoverwaystoreusewater Scientistshavemadesomeprogressinthisfield Today somelargecitiesarereusingtheirwater Butpeople sneedforwaterisincreasingdaybyday Westilldon thaveenoughwater Whatelsecanwedo Althoughtheworldishungry itiseventhirstier Whilenearly oftheearthiscoveredwithwater wearestillshortofdrinkingwater Thisisbecauseabout97 ofthewaterontheearthisseawater Sowecan tuseitforwateringplantsordrinkingdirectly Humanscanonlydrinkandusefreshwaterfromplacesincludingrivers lakesandunderground 1 2 3 名词avoid代词动名词 v 防止 避免 v 发现 找到 Languagepoints e g Heavoidedansweringmyquestions 不定式不可以做宾语 1 Howcanweavoidaseriouswatershortage 我们如何避免水资源短缺呢 2 weshoulddiscoverwaystoreusewater 我们需要找到再利用水的方法 thirsty adj 缺水的 口 渴的 nearly adv 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 Inearlydidn thearwhattheteachersaidinclass Languagepoints 3 Althoughtheworldishungry itiseventhirstier虽然世界是饥饿的 但是他更渴 4 Whilenearly oftheearthiscoveredwithwater 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 1bRead1aagainandanswerthequestions 1 Whyisourworldthirstywhen oftheearthiscoveredwithwater 2 Whatcanwedonowtoavoidthewatershortage Becauseabout97 ofthewaterontheearthisseawater wecan tuseitforwateringplantsordrinkingdirectly First weshouldsavewaterandnotwasteit Second weshouldprotectourwaterresourcesandnotpollutethem Third weshoulddiscoverwaystoreusewater 3 Whatwillbethebestwaytosolvetheprobleminthefutureinthepassage 4 Doyouknowanyotherwaystosolvetheproblem Whatisit Tofindcheaperwaysoftakingthesaltawayfromtheseawater 2Discussingroupsdifferentwaysofprotectingandsavingwater Writedownthekeyinformation Example Passlaws n 法律 againstwaterpollution Collectandreusewastewater 3 Writeaproposalaboutsavingwatertoallthestudentsinyourschool Mydearfriends Waterisveryimportanttohumanbeings Let sdosomethingtoprotectandsaveit First Second Third Let stryourbesttosavewaterandourplanet Mydearfriends Waterisveryimportanttohumanbeings Let sdosomethingtoprotectandsaveit First weshouldprotectourwaterresourcesandnotpollutethem Thegovernmentshouldalsopasslawsagainstthewaterpollution Second weshouldsavewaterinourdailylife turnoffthetapsintime takeashowerinsteadofabath andalwaysremembertocollectandreusewater Third let strytospreadthemessageaboutprotectingandsavingwater Makemorepeoplearoundusknowtheproblemofwatershortageandhowtohelpsolveit Let stryourbesttosavewaterandourplanet StudentUnion Youcanwriteitlikethis Project MakingPostersAboutNaturalResources Dividetheclassintoseveralgroups WaterGroup TreeGroup SoilGroup Eachgroupshoulddiscusstheirownuses theproblemsthattheyfaceandtheirwishes Thengiveareportinclass Example Uses Iamsoil Plantscan tgrowwithoutme Peopleusemetomakemanythings Problems Sometimespeopleusetoomanychemicalsinthefields What sworse theyputwasteintotheland SoI mhurt Pleasehelpme Wishes Ihopehumanbeingscanprotectandtakecareofme AndthenIcoulddomoreusefulthingsforthem 3 Makesomeposterswiththeresult Exercises Ifwewanttousetheseawater wemust 拿走 thesaltfromtheseawater Howcanwe 避免 aseriouswatershortage Weshould 找到 waystoreusewater People sneedforwaterisincreasing 一天天 Althoughtheworldishungry itiseven 更渴的 While 几乎 差不多 oftheearthiscoveredwithwater wearestillshortofdrinkingwater takeaway avoid discover daybyday thirstier nearly Welearn 1 somewords avoid discover thirsty nearly law2 somephrases daybyday beshortof3 somesentences 1 Butpeople sneedforwaterisincreasingdaybyday 2 Whilenearly oftheearthiscoveredwithwater wearestillshortofdrinkingwater Wecan 1 Talkaboutwaysofsavingwater 2 Summarizeandusetheindefinitepronounandadverbcorrectly 3 Writeaproposal Summary AssignmentRead1a Reviewtheusefulexpressionsandkeysentenceswhichwelearninthistopic PreviewSectionAinTopic3 Thankyou