牛津英语上海版八年级下册第一章教学课件

welcometoourclassAGuessinggame:WhatamIIhavenocolor,smellorshape.MyothernameisO2.Iamproducedbygreenplants.Iamaroundyou.Youbreatheinmeanytime.oxygenAGuessinggame:WhatamIIhavenocolororsmell.Icanchangeintogasorwater.Iamveryhard.Youcanseemeinfridge.iceAGuessinggame:WhatamIIhavenocolor,smellorshape.MyothernameisH2O.Icanchangeintoiceorgas.Icomefromtherivers,lakesandseas.Youcanseemeeveryday.waterThreeformsofsubstance(物质)oxygen-------gasice-------solid

water-------liquidEverydaypeopleneedmefordrinking,Waterisveryimportantinpeople’slife.Everydaypeopleneedmefordrinking,washing,cookingand….HowmuchdoyouknowaboutwaterLet’sdoaquizaboutit.1.Youcouldlivewithoutwaterforafew___.A.daysB.weeksC.hours2.Yourbodyneedsabout____litresofwaterdaily.=everydayA.twoB.eightC.four3.Whenyouexercise,youneed____water.A.moreB.lessC.thesame4.Whenyoufreezewater,itbecomesa____.A.liquidB.solidC.gas5.About____ofEarthiscoveredbywater.A.onethirdB.twothirdsC.onehalf6.Thescientificsymbolforwateris_____.A.H2OB.H2O2C.HO2%12345Lookatthepictureandtelltheclass:DoyouknowtherecycleofwatercloudmountainriverseastreamWatertalkWaterismorevaluablethangold.Skimming:Beforeyoureadthestory,lookatthetitleofthestoryandthepicture,andthenanswerthisquestion.WhoaretalkinginthestoryThegirlandthedropofwater.Skimming:Readthroughthestoryquicklyandanswer:

WhatdidthewaterandDaisytalkabout

Theytalkedaboutwhatthewateris.B.Theytalkedaboutthewater’sjourney(旅途).

C.TheytalkedaboutwhatDaisyandBennydidinthebathroom.A.ThewatertellsDaisytoturnthetapoff,andsheissurprised.

B.DaisytellsBennythatshehastalkedtothewater,andBennythinkssheisweird.C.Daisyisbrushingherteethwiththetapon.D.ThewatertellsDaisyaboutitslongjourney

fromacloudinYunnanandwhereitwillgo.Itreminds(使…想起,提醒)hernottowasteorpollutewater.P1P2-3P4-14P15-17Readthestoryandmatchthemainideawitheachpart.

Water'sjourneyVocabularyThelongjourneytapsinkdrainpipesBacksewagesewageplantBackstreamreservoirwatertreatmentworksBackThismapshowsthewater’sjourney.Readthestoryandmarkthenamesofdifferentplacesonthemap.cloudstreamDongjiangRiverreservoirwatertreatmentworkssewageplantseaDaisy’sbathroomBackWater'sjourneyWhere?Whatdiditdothere?1InYunan2mountain-DongjiangRiver3reservoir4watertreatmentworks125underthestreet6bathroom7asewageplant128theseawillrisefromtheseatotheskyfloatedcomfortablyinaclouddroppedintoastreamandspeddownrelaxedforafewdayswasgivenathoroughcleaningwasaddedafewchemicalstraveledinthepipescameoutofthetapwascleanedupwaspumpedintotheriver10Scanning1WhywasthevoiceimpatientBecauseDaisywaswastingwater.2WhydidDaisynodherheadBecausesheknewtheDongjiangRiver.3WhydidthewatergotoatreatmentworksBecauseitwasdirtyafteritsjourney.4Whydidthewatersay,“Iwillbebackintheseaagain’Becauseitcamefromtheseainthefirstplace.5WhydidthewatersayitwaslikeliquidgoldBecauseitbelievedthatitwasprecious.6WhydidDaisy’sbrotherthinkshewasweirdBecauseshesaid,‘Iwastalkingtoadropofwater.’Scanning1.Waterwaspouringintothesink.2.Thetapwason.3.Thevoicesoundedangry.4.Peoplecleanedmeup.5.Iwaitedthereuntilyoucalledme.6.Peoplepumpmeoutintotheriver.7.Remembernottowasteorpollutewater.8.Waterisprecious,likeliquidgold.Importantsentences1.听起来不耐烦2.跌入小溪3.彻底清洗4.添加…5.源源流入6.在旅程的终点7.浪费水8.欣赏风景enjoytheviewUsefulphrasessoundimpatientdropintothestreamathoroughcleaningadd…to

pourintoattheendofthejourneywastewater

10.把…净化11.记着不要做…12.等一下13.开、关水龙头14.点头、摇头15.当初\本来16.比金子更珍贵Usefulphrasescleanupremembernottodo…waitaminute

turnon\offthetapnod\shakeone’sheadinthefirstplacemorevaluablethangoldLookatthepicturesanddiscussingroups.GroupdiscussionIfthereisnowater,…Livingthingscan’tlivewithoutwater.Waterisunhappybecausepeople….Wateriscryingforhelp!Whatcanwedotohelpitandsaveourselves1.Discusswhatweshoulddoorshouldn’tdotoprotectwater.2.Makealistaboutwhatwecando.3.Thegroupleaderneedtogiveapresentation.Whenyouareenjoyingothers’performance,remembertowritedownyourcommentsandmarksbyusingtheforms.WhatshouldwedotoprotectwaterinourdailylifeShouldn’tdoShoulddo*washclothesunderrunningwater*takeashowerwithwaterrunningforalongtime……*reusewater*plantmoretrees*protectriversandlakes*fightagainstwaterpollution……ListeningListentothecoin’sstoryandnumberthepictures.123456781.Hi!Iamaone-yuancoin!Iwasborninamint.Thatiswherenewmoneyismade.Iwaslovelyandshinythen.Iwaswithlotsofothercoins.2.Theyputmeinabagandtookmetoabank.Isatinthatbagatthebankforafewdays.3.Thenacashieratthebankgavemetoacustomer.Heneededsomebagsofcoinsforhisshop.4.Thatmanhadacakeshop.Hegavemetoawoman.Shewasbuyingsomecakes.Shegavehim50yuan.Iwaspartofherchange.6.Istayedontheroadforalongtime.Igotverydirty.Thenanoldmanfoundme.Hewasveryhappytoseeme!7.Theoldmantookmetoafoodstall.Heboughtsomefoodandgavemetoyourmother.Shegavemetoyouaspocketmoney.8.Thenyouwashedmetomakemecleanagain.IfeltsohappythatIdecidedtotellyoumystory!5.Thatwomanputmeinherpurse.Butlater,shedroppedherpurseontheground,andIrolledaway.Shefoundherothermoney,butshedidnotfindme.1.一元硬币\纸币2.负责…3.流程图4.至少\至多aone-yuancoin\notebeinchargeofaflowchartatleast\atmostUsefulphrasesLanguageThingstoremember:常见的不可数名词

小结：money,paper,bread,meat,music,coffee,water,work,smoke,fruit,sugar,food,beef,traffic,gas,weather,fire,rain,wind,snow,rice,hair,news,air,tea,information（信息）,fun,sand（沙）,knowledge（知识）,homework,housework（家务活）Thingstoremember:只能修饰可数名词

的词或短语：afew,few,several,many,anumberof只能修饰不可数名词

的词或短语：alittle,little,agreatdealof,much既可修饰可数名词又可修饰不可数名词

的词或短语：some,alotof,lotsof,plentyof,enough,mostLanguageAThereisnowaterinthepool.Therearenoswimmersinthepool\Thereisalotofwaterinthepool.Therearemany\alotofswimmersinthepool.4.Thereareafew\notmanyswimmersinthepool.Keystotheexercise:

B1Jane:HowmanybananasarethereAlbert:Thereareafew.Jane:HowmanyapplesarethereAlbert:Therearealot.Jane:HowmuchbreadisthereAlbert:Thereisnone.Jane:HowmuchteaisthereAlbert:Thereisalittle.Jane:HowmanyonionsarethereAlbert:Therearenone.B2alotofsomeafewnoC12.He’sgotenough.3.He’sgottoofew.4.He’sgottoomany.5.He’sgottoomuch.6.He’sgottoomuch.7.He’sgotenough.8.He’sgottoolittle.ConclusionKe