九年级英语上册Unit2SavingtheEarthTopic2AlltheseproblemsareveryseriousSectionD2仁爱版.ppt

Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious SectionD 仁爱版英语九年级上 Whatcanyoulearnformtheshortmovie Waterisimportant Becausehumans animalsandplantscan tlivewithoutwater Movie Nearlythreefourthsoftheearthiscoveredwithwater waterontheearth 3 4 被 覆盖 n l 几乎 将近 Whilethereissomuchwateraroundtheworld wehumansarestillshortofdrinkingwater Sodoanimalsandplants Doyouknowwhy beshortof缺乏 1 Whyisourearththirstywhen oftheearthiscoveredwithwater Becauseabout97 ofthewaterontheearthisseawaterandwecan tuseitforwateringplantsordrinkingdirectly 2 Whatkindofwatercanhumansdrinkanduse Humanscanonlydrinkandusefreshwaterfromplacesincludingrivers lakesandunderground Althoughtheworldishungry itiseventhirstier Whilenearly oftheearthiscoveredwithwater wearestillshortofdrinkingwater Thisisbecauseabout97 ofthewaterontheearthisseawater Sowecan tuseitforwateringplantsordrinkingdirectly Humanscanonlydrinkandusefreshwaterfromplacesincludingrivers lakesandunderground 1 Readandanswer Howcanweavoidaseriouswatershortage First weshouldsavewaterandnotwasteit Second weshouldprotectourwaterresourcesandnotpollutethem Third weshoulddiscoverwaystoreusewater Howcanweavoidaseriouswatershortage First weshouldsavewaterandnotwasteit Second weshouldprotectourwaterresourcesandnotpollutethem Third weshoulddiscoverwaystoreusewater Scientistshavemadesomeprogressinthisfield Today somelargecitiesarereusingtheirwater Butpeople sneedforwaterisincreasingdaybyday Westilldon thaveenoughwater Whatelsecanwedo 2 ReadParagraph2andmarkTorF Scientistshaven tmadeanyprogressinthisfield Waterisreusednowhere People sneedforwaterisincreasingdaybyday F F T ListentoParagraph3andfillintheblanks Thesea havethebestanswer Thereis waterinthesea Butweneedto thesalt fromtheseawater Thisisveryexpensive Ifscientistscanfindcheaperwaystodoit wecan oftheshortageofwater 3 seemsto plentyof take away solvetheproblem Q Howcanwechangeseawaterintofreshwater Weneedtotakethesaltawayfromtheseawater EnjoyReading beshortofontheearthusesthforsth doingsthavoidsthmake some progressinthefielddaybydayseemtodosthplentyoftakeawaytheshortageof 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 Keyphrases 领域 场地 田地 1 2 3 4 5 6 7 8 9 10 11 onebyoneyearbyyearstepbystep 一个接一个一年年一步步 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 Waterpollution lessfreshwater Weshouldprotectandsavewater Howtoprotectandsavewater Example Passlaws n 法律 againstwaterpollution Collectandreusewastewater 5 6 Turnoffthetapsintime Takeashowerinsteadofabath stop from pour into turnoff tap 水龙头 washclothes vegetables cleanthefloor throw into Stopthefactoriesfrompouringwastewaterintorivers Don tthrowlitterintothewater Afterwewashclothesorvegetables wecanreusethewatertocleanthefloor Tosavewateristosavelife Don tletthelastdropofwaterbecomeourtears 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 3 Writeaproposal 提议 aboutsavingwatertoallthestudentsinyourschool Mydearfriends Waterisveryimportanttohumanbeings Let sdosomethingtoprotectandsaveit First Second Third Let stryourbesttosavewaterandourplanet Homework Thankyou