高中英语《Uni Inventorsandinventions》阅 教案 人教版选

云南省陇川县第一中学高中英语《Unit3Inventorsand

inventions》阅读1教案新人教版选修8Teachinggoals教学目标Targetlanguage目标语言重点词汇和短语patent,distinguish,product,power,perfume,cube,abrupt,abruptly,convenient,expectation,monitor,passive,criterion,valid,application,file,rod,callup,nowandthen,setabout,incase重点句子ThefirstthingIdidwastoseeiftherewereanyproductsthatmighthelpme,butthereonlyseemedtobepowdersdesignedtokillsnakes.Betweentheoutsideandtheinsidewallsofthebowlthereissomejelly,whichfreezeswhencooled.Thecriteriaaresostrictthatitisdifficulttogetnewideasacceptedunlesstheyaretrulynovel.Norwillyoureceiveapatentuntilasearchhasbeenmadetofindoutthatyourproductreallyisdifferentfromeverybodyelse's.Abilitygoals能力目标Enablethestudentstodescribetheproblemofthesnakesandwhathasbeendonebythewritertosolvetheproblem.Makethemrealizeittakesstepstocatchthesnakesandit'snoteasytogetapatent.Learningabilitygoals学能目标Helpthestudentstolearnhowtoretellthestoryandhowtomeettherequirementsofgettingapatent.Teachingimportantpoints教学重点Howtodescribetheproblemofthesnakesandwhathasbeendonebythewritertosolvetheproblem.Teachingdifficultpoints教学难点Learnhowtomeettherequirementsofgettingapatent.Teachingmethods教学方法Task-basedactivities.Teachingaids教具准备Arecorder,aprojectorandsomeslides.Teachingprocedures&ways教学过程与方式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.全句汉语意思：我设法做的第一件事是看看是否有能帮我忙的产品，但是好像只有•些用来捕杀蛇的粉末。S2:Idon'tknowmuchaboutthelastbutonesentenceofthethirdparagraphonpage20:Betweentheoutsideandtheinsidewallsofthebowlthereissomejelly,whichfreezeshardwhencooled.What'sthesentencestructurelike?WhyisMwhencooled"used?Whatdoesitmean?Pleaseexplainitindetails.T:Asawhole,thissentenceisaninvertedsentencewiththeprepositionalphraseBetweentheoutsideandinsidewallsofthebowlputinthefront,whichtellsuswhatthewriterusedinordertocoolthesnakes,whichfreezeshardwhencooledisanon-restrictiveattributiveclausemodifyingthesentenceinfrontofit.Whencooledisanellipticformofwhenitiscooled.全句意思是：在碗内外侧有一些果子冻，冷却时它们会冻得很结实。S3:Ifinditdifficulttounderstandthefirstsentenceofthelastparagraph:Norwillyoureceiveapatentuntilasearchhasbeenmadetofindoutthatyourproductreallyisdifferentfromeverybodyelse*s.Canyouexplainit?Thankyou.T:Well,thissentencetellsusanotherrequire