高中英语 Unit3第1课时 The First Period Speaking教案 新人教版选修8Word下载.docx
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高中英语 Unit3第1课时 The First Period Speaking教案 新人教版选修8Word下载.docx
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Enablethestudentstotalkaboutinventionsanddiscoveries.
3.Learningabilitygoals学能目标
Helpthestudentslearnhowtotalkaboutinventionsanddiscoveries.
Teachingimportant&
difficultpoints教学重难点
Howtotalkaboutinventionsanddiscoveries.
Teachingmethods教学方法
Discussion.
Teachingaids教具准备
Aputerandaprojector.
Teachingprocedures&
ways教学过程与方式
StepⅠWarmingup
Talkaboutinventionsanddiscoveries.
T:
Theimportanceofinventionstosocialprogresscanneverbechanged.Eachinventioncarriestheworldastepforwardandprovidesstimulationforlaterones.Withinventionsturningupallthetime,ourworldisalwaystakingonanewlook.Butdoyouknowwhataninventionis?
S1:
Thecreationofsomethingnew.
S2:
Acreation(anewdeviceorprocess)resultingfromstudyandexperimentation.
S3:
Thecreationofnewthings.
…
Askthestudentstotalkaboutthepictureswiththeteacher’shelp,andthendiscussthefirsttwoquestions.
Andwhatisadiscovery?
What’sthedifferencebetweenadiscoveryandaninvention?
Nowlookatthepicturesonpage1.Workinpairsandtalkaboutthethreedifferentthings,tellingthemapartandgivingreasons.
Showthefollowing.
1.Whichofthesepicturesshowinventions?
Doesanyofthemshowdiscoveries?
2.Workouttworulesthatwillhelpyoudecidewhatisadiscoveryandwhatisaninvention?
Ithinkthefirsttwoareinventions,i.e.theamphibiouscarandStevenson’s“Rocket”whilethelastpictureabouttheDNAisakindofdiscovery.Becausethefirsttwoproductswerequitenewtopeopleatthattimeandnoonehadeverseenordesignedsuchkindofvehiclesbeforethoughsomeothershadmadesimilarcarsormachineswhichhadlessfunctionsandadvantagesasthesetwo.IthinkthepictureabouttheDNAisakindofscientificdiscoveryinbiologybecausesuchcellsandtheirstructuredoexistinlivingcreaturesandtheyhavebeenfoundoutbyacertainscientistandaremadeknowntothepublicnowadays.SoIthinkadiscoveryissomethingexistingbeforebutunknownwhileaninventionissomethingunknownandnotexistingbefore.
Ithinkthefirsttwopicturesshowusgreathumaninventionsaboutthetransportationbecausetheywereinventedbypeopleforcertainpurposesandtheyhadspecialadvantagesandcouldsatisfypeople’sneedsinsomeways.OntheotherhandthethirdpictureshowingtheformationofDNAisakindofdiscoverybecausethesespecialcellsexistandfunctioninthebodyoflifeallthetimenomatterwhodiscoversitorwhenandwhereitisdiscovered.Inmyopinionadiscoveryissomethingfoundoutorbroughttoviewnowbutitwasunknownbeforewhileaninventionissomethingcreatedordesignedbypeople,whichispletelynewnotonlynowbutinthepast.
Well,fromthesepictureswecanseethatthereliesdifferencesbetweenadiscoveryandaninvention.Therearecertainrulesorquestionsyoushouldpayattentiontowhiledistinguishingthem.Diditexistinthepast?
Isitcreatedordevelopedbypeople?
Aninventionissomethingthatiscreatedbyahumanbeing,suchasthelightningrod.Tothecontrary,adiscoverymerelymakesknownsomethingthatalreadyexistedinnature,suchasthediscoveryontheNewContinentbyColumbia.OK.Let’sgoonwithsomeotherquestionsofthispart.Youmaytalkwithyourpartnerfirstbeforewehaveacheckfiveminuteslater.
Whatmoderninventionsdoyouknow?
Describethemtoyourpartnerandhowusefultheyareinlifetoday.
Adidas1isthethinkingshoeswithabuilt-inmicroprocessorthatdecideshowsoftorfirmthewearerneedsthesupport.IthasbeenchosenbyPopularSciencemagazineasthebestrecreationinventionofxx.Itisveryfortabletowearitalldaywithoutworryingaboutyourtoesbeinghurtandyoucanadjusttheheightandstiffnessaccordingtoyourdemandswheneveryouwantandwhereveryougo.Thusitisaverypracticalchoiceforboththeyoungandtheoldwhenhavingexcitingsportsoutdoorsorrestingathomeduringholidays.
Cameraphoneshaveopenedupanewwaytomunicate.Becausemanyofthemlooklikeregularcellphones,youcansnappicturesasdiscreetlyasanyspyand,withthepushofafewbuttons,popthemintoane-mailoruploadthemtotheWebinlessthanaminute.Nowiresorputerhookupsnecessary.Tobesure,mostcameraphonesenduptakingpicturesoffriends,family,babiesandpets.ButtheyhavealsobeenusedtosnappicturesofVIPsatprivateparties,copyrecipesfromcookbooksatbookstoresandevendocumentcrimesinprogress.Butwithanestimated80millioncameraphonessoldinxx,6millionintheU.S.alone—thecatmayalreadybeoutofthecamerabag.Likeitornot,thesecameraphoneshavebeenverypopularandwidelyusedbypeopleeventoday.
AkindofrobotheartcalledAbioCorwasinventedinxx.OnJuly2,xx,the59-year-oldgrandfatherandretiredlibrarianRobertToolsbecamethefirsthumantogetone.It’sbeenlongsincetheoperation,andTools’newheartisstillbeating.Hecanwalkacityblockwithoutstoppingandhe’sevenmakingplansforthefuture.Thoughnoteverybodyneedsanewheart,hundredsofthousandseventuallymay.Norwillanartificialheartridtheworldofsicknessorpovertyorterror.Butsometimesitreallyhelps.
Verygood!
Iamgladtoseethatallofyouhaveknownsomanymoderninventionsbothathomeandabroadandyouhavethoughtalotaboutthem.It’scertainthatmoderndiscoveriesandinventionsdohavegreateffectsonpeople’slifeandcanalwaysrepresenttheadvancedscienceandtechnology,soyoushouldlearntodistinguishthemandmakegooduseofthem.
StepⅡTalking
Supposeyouareworkingforamobilepany.Itisyourjobtosuggestnewwaysofdevelopingamobile.Inpairsdiscusssomenewapplicationsofamobile.Makealistoftheonesyoulikeandthatseemthemostuseful.Chooseoneyoubothlikeandthinkwillbepopularwithotherpeople.Nowworkingroupsoffourtodiscussthequestion.
Isuggestthenewapplicationsofmobileshouldbe:
portableentertainmentplayers,cameras,member-shipandloyaltycards,guidebooks,maps,tickets,watches,anddevicesforaccessingeverythingfromnewstocorporatedatabases.Amongthem,weliketheapplicationsofdevicesforaccessingeverythingfromnewstocorporatedatabases.Weboththinktheyareusefulandwillsoonbepopularwithothersinthenearfuturebecausetheabilitywillenableawholeclassofworkerstorelylessontheirmemoryandmoreontheirpany’sandevenworld’sknowledgemaintenance,sales,construction,transportation,taxicabdrivers,andmanyotherworkersspendagreatdealoftimefromoffices.Thus,whentheyneedinformation,theymusteitherhaveitintheirheadsorstopwhattheyaredoingandmakeaphonecall.
Ithinkthenewmobilescanbedevelopedbetterwith4Gtolistentotheradio,watchTV,playgames,doshopping,chatontheQQ,,surftheinternet,controltheelectricalequipmentathomeinthedistance,giveoffharmlessraysandbeusedasputerswithspecialoperatingsystemswhichcandobusiness,havefunandworkasintelligentP4puters.Amongthem,welikethenewapplicationofsurfingtheinternetanddoingshoppingandweboththinktheyareusefulandwillsoonbepopularamongyoungstersbecauseitisveryconvenientforpeopletofindvarioususefulinformationwheneverandwhereverpossible.Astherearedifferentkindsofgoodstochoosefromonlineandit’sveryfunnyandexcitingtomakechoicesandbuywhatweneedatareasonablepricewithoutgoingoutandbargainwithsellersinthemarkets.
Verygood.Nowgettogetherwithanotherpairtodiscusswhetheryoursuggestionisagoodone.Makeacaseforyouridea.Lettheotherpairevaluateit.Thenswapsothatyouevaluatetheiridea.Decidewhichideayoulikebetterandpreparetoexplainit.Thenpresentittotheclass.
Ithinkthefirstclassmate’sexpectationthatthemobilephonescandosomuch,maybemorethantheycanoffer.Themobilephonesusuallyhavelimitedsizeandcapacity.SoIthinkitwilltaketimebeforethemobilesaredesignedtomeethisneeds.
Ithinkit’spracticalandmeaningfulforthesecondclassmatetodevelopthemobilesinthatway.Thoughithasbeenusedinsomewaysbutwecandobetterbecauseeverydaywehavemuchinformationtolookforanddifferenttypesofthingstodoandthesmartmobilecanmakeitmoreconvenientforustoachieveourgoalsinlife.
Now,I’dlikeyoutodiscussingroupsandtrytotelltheothersaboutyourideasandtheotherswhoactastheleadersofthepanymayasksomequestionsforhimorhertoanswer.ThenI’dlikesomeofyoutoreportyourgroupwork.
Fiveminuteslater.
(L=Leaderofthepany)
S:
Ithinkthenewmobilescanbedevelopedbetterwith4GtowatchTVanddoshoppingontheinternet.
L1:
Well,haveyouthoughtaboutthecostofthiskindofnewmobilewhichhasalargecapacityandsuchfunctions?
Yes.I’llmakeagoodsurveyoftheinternationalelectronicmarketsinadvanceandtrytoreducethecostasmuchaspossible.
L2:
Areyousureofthesecuritymeasuresofusingthesemobiles,especiallywhentheyareusedtoshopontheinternet?
Sure.I’llkeepthenewmobilesdesignedsoinorderthattheywillgivewarningmessageswheneverthereismisleadinginformationordishonestyinsellingandbuyingthingsontheinternet.
L3:
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