人教版九年级英语上册第十三单元全部课件(优质)(公开课)

What’sthevideomainlyabout?Howdoyoufeel?Inourdailylife,whatkindofpollutioncanyouthinkof?Whathascausedeachkindofpollution?noisepollution________________________________________________airpollution____________________________________________waterpollution________________________________________________loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesmachines,crowds,vehiclesburningpowerplants,nuclearwastedisposalsewage,industrialwaste,pesticides1bListenandcheck(√)thesentencesyouhear.1.Wecouldgofishingintheriver.2.Theriverwasreallydirty.3.Theriverhasalwaysbeenthenicestriverinthistown.4.Weshouldasktheteachersforhelp.√√1bListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottomoftheriverwasfullof_________.Therewerenomore______forfishermentocatch.reallydirtyrubbishfish底部渔民Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.litterwastegovernmentclosedowncleanup垃圾，废弃物1cTheriverwasdirty…Butitusedtobesoclean!...2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution2bListenagainandcompletethesentences.1.Theairisbadlypollutedbecausethereare___________ontheroadthesedays.2.Factoriesthatburncoalalso________theairwithalotofblacksmoke.morecarspollute3.Thereisalsotoomuchrubbishandwaste.People_________________thingseveryday.4.Peoplearealsolitteringin______________likeparks.Thisisturningbeautifulplacesintouglyones.arethrowingawaypublicplaces丑陋的2cTheairhasbecomereallypolluted…Yes,Iusedtobeabletoseestarsinthesky.Theproblemisthat…2dRead2dandcompletethechart.ProblemsSolvingproblemsairpollutionwastepollutionWoodenchopsticksorplasticforksrubbishtakethebus,subwayorrideabikeinsteadofdriving.bringabagtogoshopping.usechopsticksorforksathome.throwrubbishinthebins.木头的JasonandSusan,whatareyourideasforsolvingtheseproblems?1．turn…into…把……变成……人们努力将沙漠变成良田。Peopletrytheirbesttoturndesertsintorichfields.2.cutdownairpollution减少空气污染cutdown:reducecutdown还有“砍倒”的意思cutdownatree3.advantagen.优点，有利条件你知道骑自行车有哪些好处吗？Doyouknowtheadvantagesofridingabike?4.costv./n.花费（做动词时，物作主语；cost-cost-cost）这部手机花去了我2000元。Thismobilephonecostme2,000yuan.5.makeadifference(to)(对……)产生影响或作用你认为他的话会对最后的决定产生影响吗？Doyouthinkhiswordswouldmakeanydifferencetothefinaldecision?.SectionA3a—4cAfterwatchingthevideo,canyousaysomethingaboutsharks?Doyouthinktheyareendangered?Whyaretheyendangered?Lookthroughthearticleagainquicklyandfindout:Whereisthearticleprobablyfrom?()A.Abook.B.Amagazine.C.Anewspaper.CFastReadingReadparagraph1andwriteTfortrueandFforfalse.1.Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.()2.Wehavetokillawholesharktogetabowlofshark’sfinsoup.()FTCarefulReadingReadparagraph2.Whatdoesthewriterthinkofcuttingfinsofsharks?It’snotonlycruelbutalsoharmfultotheenvironment.CarefulReadingReadparagraph2andfillinthechart.QuestionsAnswersNumbersofsharkscaughtandtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20-30years.70millionOver90percentCarefulReadingReadparagraph3.Whatarethetwoenvironmentalgroupsagainst“finning”?WildAidandtheWWF.Howdotheyhelptosavesharks?Theyareteachingthepublicaboutfinning.Andtheyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.CarefulReadingCarefulReadingsoalthoughifbutwhen1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.whensobutAlthoughifWhyaresharksindanger?Whyshouldwesavesharks?HowdoWildAidandWWFsaveSharks?Andwhatshouldwedo?Retell1.nolonger/nomore，not…anylonger/not…anymore意思是“不再”e.g.Henolongerliveshere.=Hedoesn’tlivehereanylonger.他不在这儿居住了。2.beharmfulto对……有害e.g.Smokingisharmfultothehealth.吸烟有害健康。3.atthetopof在……的顶端Heshoutedatthetopofthehillinorderthathemightbeheard.他在山顶叫喊,以便别人能听见。4.thenumberof…的数量anumberof…很多，大量（与名词复数连用）Anumberoffamilieshaveprivatecarsandthenumberofthemhasbeengrowingquicklyrecently.近年来很多家庭拥有私家车而且这个数量增长很快。5.Environmentprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.世界各地的环境保护组织，如野生救援协会和世界自然基金会，都在教育公众有关“猎翅”的行为。1)句中fin本为名词，指“鱼鳍”。此句中的finning由动词化的fin（割鲨鱼鳍以获取鱼翅）的-ing形式转化而成，指课文中所陈述的“猎翅”这一行为。2)WildAid和WWF组织WildAid（美国野生救援协会）是保护野生动物及栖息地环境的一个非盈利性的机构，1999年注册成立，其宗旨是保护及救助世界范围内的野生动物；WWF（世界自然基金会）英文全称为WorldWideFundforNature，成立于1961年，是享有国际盛誉，全球最大的独立性非政府环境保护组织之一。定义：表示说话时(瞬间)正在进行的动作,也表示目前或现阶段正在进行的动作。结构:be(am/is/are)+v.-ing标志词：Look,Listen,now,rightnow…e.g.Look!Theboyiscrying.2.usedtodousedtodosth.表示过去常常做某事,而现在往往不做了,后接动词原形。e.g.Iusedtogetupatsixo’clock.beusedtodoingsth.表示习惯于做某事Joeisusedtodrinkingacupo