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Unit13We’retryingtosavetheearth!一、教学目标：1.语言知识目标基本词汇：litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,shark,fin,method,cruel.Harmful,chain,ecosystem,industry,law,scientific,afford,reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspiration,iron,work,metal,creativity,基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pull…down,bringback基本句型：We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.2.技能目标:能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。3.情感目标:有环境危机意识，学会关注环境保护环境。二、教学重难点：1.教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。（2）保护环境的措施方法。2.教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。三、教学步骤:SectionB1(2a—2e)I.Warmingup1.T:Howcanwedotohelpsavetheearth?Turnoffthelightswhenyouleavearoom; Stopridingincars;Stoppingusingpapertowelsornapkins;Recyclebooksandpaper.Turnofftheshowerwhileyouarewashingyourhair.Youcanhelpreducepollutionbyputtingthatsodacaninadifferentbin.Don’tusepapernapkins.2.Workon1a.Whatcanwedotohelpsavetheearth?Ranktheseitemsfromtheeasiest(1)tothemostdifficult(5).______stopridingincars______recyclebooksandpaper______turnoffthelightswhenyouleavearoom______turnofftheshowerwhileyouarewashingyourhair______don’tusepapernapkins3.Workon1b.Compareyouranswersin1awithyourpartner.II.Listening1c&1d1.Listenandcheck(√)thethingsthatJuliaandJacktalkabout.2.Check(√)thethingsthatJuliaisdoingnow,thethingsshewilldointhefutureandthethingsshewouldneverdo.3.Checktheanswerswiththewholeclass.ThingsJuliaandJacktalkaboutThingsJuliaisdoingnowThingsJuliawilldointhefutureThingsJuliawouldneverdo___turningoffthelight ___turningofftheshower ___stoppingusingpapernapkins ___takingyourownbagswhenshopping. ___notridingincars ___ridingabike ___recyclingpaper III.PracticeMakeaconversationusingtheinformationfromthechartin1c.Saywhatistrueforyou.IV.Reading1.Learnsomenewwords.2.Lookatthetitleandthepicturesin2b,thenanswerthequestions.Whatcanyouseeinthepictures?Whatisit/aretheymadeof?Doyouthinkitisagoodwaytoprotecttheenvironment?3.Readthepassageandfindthemainideaofeachparagraph.Para.2A.Bagsmadefromclothes.Para.3B.ArtpiecesmadeofironandothermaterialsfromPara.Para.4oldcars.C.Housebuiltofrubbish.4.Readthepassageandcompletethechartbelow.NamesWhatmaterialsdidtheyuse?Whatdidtheymake?5.Readparagraph2andanswerthequestions.①Didshewinanaward?Whatwasitfrom?②Wheredidherwindowsanddoorscomefrom?③Whatdoesthesentence“shelivesinahouseintheUKthatshebuiltherselfoutofrubbish”mean?6.Readparagraph3andanswerthequestions.①IsJessicaWonggoodatrecycling?Whatdoesshedo? ②Wheredoesshesellherbags?③Whatwillshewriteinherbook?7.Readparagraph4andanswerthequestions.①WhatdoesWangTaohopetosetup?Why?②Translatethesentence“Notonlycantheartbringhappinesstoothers,butitalsoshowsthatevencold,hardironcanbebroughtbacktolifewithalittlecreativity.”intoChinese.V.Languagepoints1.Doyouoftenthrowawaythingsyoudon’tneedanymore?1)throwaway扔掉，丢弃浪费(机会、优势或好处)e.g.Ineverthrowanythingaway.我从来不扔任何东西。2)错过(机会等)，放过；未能很好利用(机会等)e.g.Don’tthrowawaythisopportunity.不要错过这个机会。3)浪费(时间、金钱等)乱花(钱等)e.g.Itwillbetimeandmoneythrownaway.这将是浪费时间和金钱。2.ShelivesinahouseintheUKthatshebuiltherselfoutofrubbish.build/make...outof 用……建造/制造e.g.Hebuiltamodelshipoutofwood.他用木头造了个模型船。Somebirds build nests out of twigs.一些鸟儿用细枝筑巢。3.Thetopofthehouseisanoldboatturnedupsidedown.turnedupsidedown意为“被翻转过来的；被颠倒过来的”，作后置定语修饰boat。英语中短语和从句用作定语时,一般置于名词之后,作后置定语。e.g.thesighonthewall墙上的标志牌(介词短语后置作定语)thechildrenboatingonthelake湖上泛舟的孩子们(现在分词短语后置作定语)thestoriesinventedbyeight-andnine-year-olds八九岁小孩子编写的故事(过去分词短语后置作定语)Amachinethatcandomanykindsofhousework一个能做多种家务的机器 (句子后置作定语)VI.Practice2cand2d1.Fillintheblankswiththecorrectformsofthephrasesinthebox.puttogoodusebuild…outofpulldown（拆下）setupknownfornotonly…butalso1）AmyHayeslivesintheUK.Manyoftheoldbuildingsinherneighborhoodwere_________________.2）AlltherubbishandoldthingsinAmy’sneighborhoodwerethen_______________whenAmybuiltherhouse.3)Amyisverycreative.She_______herfrontgate___________rocksandoldglassbottles.Sheputanoldboatontopofherhouse.4)JessicaWongsellsherbagsinasmallshop,butshehasalso________anonlinebusinesstosellthem.5)ThoughJessica’sbagsaremakefromoldclothes,herbagsare____________beingcuteanduseful.6)WangTao_________makeslargepiecesofmetalartthatlooklikeanimalsorhumans,__________makessmallerpiecesforthehome.2.Underlinethewordsinthepassagebasedonthewordsbelow.Whatarethedifferences?thinkuseenvironmentusualrecyclebuildcreatespecialrecentimportantprotectinspireSummary1.Rethink,Reuse,Recycle!re-是最常用的前缀之一。它可以加在名词或动词前面，构成新的名词或动词。re-表示以下三方面的意义： 1)表示“回”或“向后”的意思。例如：return（回来）recall（回忆，召回）retract（缩回，取回）2)表示“再”、“重新”、“重复”的意思。例如：rethink（再思考）reuse（再运用）restart（重新开始）recycle（再利用）3)表示“相反”、“反对”的意思。例如：rebel（反叛，谋反）reverse（反转，颠倒）resist（反抗，抵抗）2.Sheisamostunusualwoman.un-前缀，常加在形容词、副词、分词、动词和名词之前；第一，表示否定意义。第二，表示“反动作”。即“相反的动作”。例如：uneconomic不经济的uncomfortable不舒服的unending无尽的unfortunate不幸的unusual不平常的unkind不仁慈的unbind解开，释放uncover揭开……的盖子unearth由地下掘出unbutton解开钮扣3.Nothingisawasteifyouhaveacreativemind.-ive是形容词后缀一般表示有......的create﹢-ive=creative4.AmyrecentlywonaprizefromtheHelpSaveOurPlanetSociety.recent﹢-ly=recently形容词加ly变副词5.Amyisaninspiration(n.灵感)tousall.后缀-tion附在动词后面构成名词1)当单词最后是t,d,te,de时，变名词加tion或者ation,ition；2)当单词最后是元音字母时，变名词加sion等。6.Sheespeciallylikestouseoldjeanstomakehandbags.special和especial是同义词，especially是especial的副词。7.Thethemeparktoshowpeopletheimportanceofenvironmentalprotection.importance是important的名词。environmental是environment的形容词形式。protect﹢-ion=protectionVII.Discussion(Workon2e) Makealistofthingsthatneedtobedonetosavetheenvironment.Whichthingscanbedonebycommonpeopleeveryday?Whichthingshavetobedonebygovernmentsandorganizations?Discussthesewithyourgroup.Keys:Thingswhichcanbedonebypeopleeveryday:•takeyourownbagswhenyougoshopping•spendlesstimeintheshower•turnoffthelightswhenyouleavearoom•takepublictransportratherthandrive•avoidusingairconditionersThingswhichhavetobedonebygovernmentsandorganizations:•educatethepublic•ensurethatfactoriesgetridofwasteinaresponsibleway•preservetheforests•preserveendangeredspecies•notallowactivitiesthatseriouslyendangertheenvironmentHomeworkSurveythestudentsinourclass.Doyou…Namesrecyclepaper? turnofflightsinthehouse? …
