云南省隴川縣第一中學高中英語《Unit3Inventorsand

inventions》閱讀1教案新人教版選修8Teachinggoals教學目標Targetlanguage目標語言重點詞匯和短語patent,distinguish,product,power,perfume,cube,abrupt,abruptly,convenient,expectation,monitor,passive,criterion,valid,application,file,rod,callup,nowandthen,setabout,incase重點句子ThefirstthingIdidwastoseeiftherewereanyproductsthatmighthelpme,butthereonlyseemedtobepowdersdesignedtokillsnakes.Betweentheoutsideandtheinsidewallsofthebowlthereissomejelly,whichfreezeswhencooled.Thecriteriaaresostrictthatitisdifficulttogetnewideasacceptedunlesstheyaretrulynovel.Norwillyoureceiveapatentuntilasearchhasbeenmadetofindoutthatyourproductreallyisdifferentfromeverybodyelse's.Abilitygoals能力目標Enablethestudentstodescribetheproblemofthesnakesandwhathasbeendonebythewritertosolvetheproblem.Makethemrealizeittakesstepstocatchthesnakesandit'snoteasytogetapatent.Learningabilitygoals學能目標Helpthestudentstolearnhowtoretellthestoryandhowtomeettherequirementsofgettingapatent.Teachingimportantpoints教學重點Howtodescribetheproblemofthesnakesandwhathasbeendonebythewritertosolvetheproblem.Teachingdifficultpoints教學難點Learnhowtomeettherequirementsofgettingapatent.Teachingmethods教學方法Task-basedactivities.Teachingaids教具準備Arecorder,aprojectorandsomeslides.Teachingprocedures&ways教學過程與方式StepIRevisionGreetingsChecktheanswerstothemultiplechoicesinUSINGWORDSANDEXPRESSIONS.Asksomestudentstoshowtheanswerstothepreviewquestions.T:Lastperiod,youwereaskedtopreviewthetextandanswerthetwoquestions.Didyougetready?Sampleanswers:Theproblemtalkedaboutinthetextishowtocatchsnakesinthecourtyard.Thewritersolvedtheproblemindifferentsteps.Forexampleplacingthefrozenbowlandtheice-cubesontopofthebowltokeepitcool,freezingthebowlandice-cubesagainintheeveningasthetemperaturewasstartingtocoolandusinganetusedforcatchingfish.StepIIPre-readingT:Problemscanariseanywhereatanytime.Nowhereisaproblemofsnakes.Lookatthetitleofthereadingpassage.Whatcanyouguessaboutthecontentofthepassagefromthetitle?Toanswerthequestionyoushouldtrytopredictthecontentofthereadingmaterialbyreadingthetitleandlookingatthepicturesinthetext.ThetitleofthetextisTHEPROBLEMOFTHESNAKES.Next,Tdlikeyoutodiscussthisquestionwithyourpartner.ThenT11asksomestudentstoreportyourwork.Areyouclear?AfterafewminutesT:Nowwho*dliketoanswerthequestion?Volunteer!SI:Letmetry.Someonewasoncefrightenedatthesightofsnakes,thebraveandcleverwriterhelpedsolvetheproblemofthesnakes,aswecanseefromthepicturethatshefinallycaughtthemwithanet.S2:Judgingfromthetitle,Ithinkthepassageismainlyabouttheseriousproblemofthesnakesaroundthehouseandhowthegirlmadeeffortstocatchthesnakesintheend.S3:Thetitletellsusthatthecontentofthetextwillbeaboutdifferentwaysofcatchingsnakestriedbythegirlandhersuccessindoingit.T:Verygood!Now,let'sgoonwithExercise1inthepre-reading.Inventingisascientificactivity.Everyinventormustgothroughcertainstagesbeforetheycanhavetheirinventionsapproved.Lookatthe1istofthestagesandworkoutasuitableorder.S:Thesuitableorderofthestepseveryinventormustgothroughbeforetheycanhavetheirinventionsapproved:Findingaproblem2.DoingresearchThinkingofacreativesolutionTestingthesolutionApplyingforapatentDecidingontheinventionT:Welldone!You*veworkedtheorderout.Nowreadthetextandchecktheorderyouwroteabovetoseewhetheritfollowsthecorrectstagesinproducinganinvention.First,youshouldskimthepassagebyreadingtheintroduction,thetopicofeachparagraphandtheconclusion.Afterafewminutes.T:Howaboutyourarrangementofthestages?Aretheyal1right?S:Ifindtheabovestepsarecorrectlyarrangedaccordingtothetext.Atfirstthewriterfoundtheproblemofthesnakes,andthenshemadeastudyofthemethodsofcatchingthemandthoughtofacreativeandpracticalwaytosolvetheproblem.Shethentestedandimprovedthemethodbeforeapplyingforapatentandwhethertherewillbeadecisiononherinventionremainstobeseen.T:Quiteright.Sinceyouhavegotthegeneralideaofthetext,let*sgothroughthetextagain.StepIHWhile-readingGetthestudentstocomprehendthepassagecarefullyandaccurately,andthendividethetextintoseveralpartsandworkoutthemainideaforeachparagraph.T:Now,pleasereadthepassagecarefully,dividethewholepassageintoseveralpartsandfindoutthemainideaofeachpart.PartI(Para.1):thediscoveryoftheproblemofthesnakesPartII(Paras.2-3):theresearchontheapproachestosolvetheproblemPartIII(Paras.4-6):theattemptstocatchthesnakesPartIV(Paras.7-8):therequirementsofgettingapatentT:Now,pleasegothroughthewholetextagainandI'dlikeyoutoanalyzethetextindetails.Discussthesequestionsontheslides.Showthefollowing.Whatarethewritingtechniquesofthistext?What*sthemainideaofthetext?Whatshouldwelearnfromthistext?What'sthewritingpurposeofthewriter?Sampleanswers:Inthistextthewriterputsforwardtheproblemofthesnakes,makesresearchandanalyzestheproblem,liststhestepsofsolvingtheproblemaccordingtothearrangementofideas,andfinallyillustrateswhatisneededforgettingapatent.Bylistingthecreativestepsshetakestocatchthesnakeswithouthurtingthem,thewriterhasefficientlyrecordedandnarratedtothereadersthebeginning,thedevelopmentandthefinalresultoftheincidentclearly.Thetextnarratestheproblemofthesnakesandpresentstheproceduresofcatchingthemandapplyingforapatent,fromwhichwehavegotabetterunderstandingofhowtodoscientificresearchesandhowtoapplyforapatent.Afterlearning,weknowthatitusuallycostssometimeandcontinuouseffortsinordertosolvesomepracticalproblemsinascientificway.Wecanlearnfromthetextthewayofdoingscientificresearchesandhowtoapp1yforapatent.Wecanalsolearnthatittakesaninventorgreatdeterminationandpersistencetoachievehisorherambitioninlife.Thewriterwantstoinformusofthescientificmethodstosolvepresentproblemssothatwestudentscannotonlybroadenthehorizonsbutbecomemoreskilledindiscoveringandconsideringcarefullytheproblemsindailylife.Wearealsoencouragedbythewritertobecreativeandhardworkingaswellasthinkingindependently.Helpthestudentsdealwiththedifficultlanguagepointsinthetext.T:Now,everyone,Iwonderifyouhaveanydifficultiesinunderstandingthetext.SI:Ihaveonequestion.Ican'tunderstandthestructureofthesentenceinPara.2onpage20:ThefirstthingIdidwastoseeiftherewereanyproductsthatmighthelpme,butthereonlyseemedtobepowdersdesignedtokillsnakes.WouldyoupleaseexplainitandputitintoChineseforus?T:Sure.Thissentencetellsusthefirststepofthewriter*sresearchontheproblemofthesnakes.ThewordsthefirstthingismodifiedbyanattributiveclausesItriedtodoandthewordspowdersismodifiedbyanattributivepastparticiplephrasedesignedtokillsnakes.Theclauseiftherewereproductsthatmighthelpmeservesasanobjectiveclause.全句漢語意思：我設法做的第一件事是看看是否有能幫我忙的產品，但是好像只有?些用來捕殺蛇的粉末。S2:Idon'tknowmuchaboutthelastbutonesentenceofthethirdparagraphonpage20:Betweentheoutsideandtheinsidewallsofthebowlthereissomejelly,whichfreezeshardwhencooled.What'sthesentencestructurelike?WhyisMwhencooled"used?Whatdoesitmean?Pleaseexplainitindetails.T:Asawhole,thissentenceisaninvertedsentencewiththeprepositionalphraseBetweentheoutsideandinsidewallsofthebowlputinthefront,whichtellsuswhatthewriterusedinordertocoolthesnakes,whichfreezeshardwhencooledisanon-restrictiveattributiveclausemodifyingthesentenceinfrontofit.Whencooledisanellipticformofwhenitiscooled.全句意思是：在碗內外側有一些果子凍，冷卻時它們會凍得很結實。S3:Ifinditdifficulttounderstandthefirstsentenceofthelastparagraph:Norwillyoureceiveapatentuntilasearchhasbeenmadetofindoutthatyourproductreallyisdifferentfromeverybodyelse*s.Canyouexplainit?Thankyou.T:Well,thissentencetellsusanotherrequire