高中英语 Unit3第1课时 The First Period Speaking教案 新人教版选修8.docx

高中英语 Unit3第1课时 The First Period Speaking教案 新人教版选修8.docx

《高中英语 Unit3第1课时 The First Period Speaking教案 新人教版选修8.docx》由会员分享，可在线阅读，更多相关《高中英语 Unit3第1课时 The First Period Speaking教案 新人教版选修8.docx（10页珍藏版）》请在冰豆网上搜索。

高中英语Unit3第1课时TheFirstPeriodSpeaking教案新人教版选修8

2019-2020年高中英语Unit3第1课时TheFirstPeriodSpeaking教案新人教版选修8

Teachinggoals教学目标

1.Targetlanguage目标语言

重点词汇和短语

discovery,application,evaluate,presentation,alternative,messenger,gettogether,makeacasefor,addup

2.Abilitygoals能力目标

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.

T:

Andwhatisadiscovery?

What’sthedifferencebetweenadiscoveryandaninvention?

Nowlookatthepicturesonpage1.Workinpairsandtalkaboutthethreedifferentthings,tellingthemapartandgivingreasons.

Showthefollowing.

1.Whichofthesepicturesshowinventions?

Doesanyofthemshowdiscoveries?

2.Workouttworulesthatwillhelpyoudecidewhatisadiscoveryandwhatisaninvention?

S1:

Ithinkthefirsttwoareinventions,i.e.theamphibiouscarandStevenson’s“Rocket”whilethelastpictureabouttheDNAisakindofdiscovery.Becausethefirsttwoproductswerequitenewtopeopleatthattimeandnoonehadeverseenordesignedsuchkindofvehiclesbeforethoughsomeothershadmadesimilarcarsormachineswhichhadlessfunctionsandadvantagesasthesetwo.IthinkthepictureabouttheDNAisakindofscientificdiscoveryinbiologybecausesuchcellsandtheirstructuredoexistinlivingcreaturesandtheyhavebeenfoundoutbyacertainscientistandaremadeknowntothepublicnowadays.SoIthinkadiscoveryissomethingexistingbeforebutunknownwhileaninventionissomethingunknownandnotexistingbefore.

S2:

Ithinkthefirsttwopicturesshowusgreathumaninventionsaboutthetransportationbecausetheywereinventedbypeopleforcertainpurposesandtheyhadspecialadvantagesandcouldsatisfypeople’sneedsinsomeways.OntheotherhandthethirdpictureshowingtheformationofDNAisakindofdiscoverybecausethesespecialcellsexistandfunctioninthebodyoflifeallthetimenomatterwhodiscoversitorwhenandwhereitisdiscovered.Inmyopinionadiscoveryissomethingfoundoutorbroughttoviewnowbutitwasunknownbeforewhileaninventionissomethingcreatedordesignedbypeople,whichispletelynewnotonlynowbutinthepast.

…

T:

Well,fromthesepictureswecanseethatthereliesdifferencesbetweenadiscoveryandaninvention.Therearecertainrulesorquestionsyoushouldpayattentiontowhiledistinguishingthem.Diditexistinthepast?

Isitcreatedordevelopedbypeople?

Aninventionissomethingthatiscreatedbyahumanbeing,suchasthelightningrod.Tothecontrary,adiscoverymerelymakesknownsomethingthatalreadyexistedinnature,suchasthediscoveryontheNewContinentbyColumbia.OK.Let’sgoonwithsomeotherquestionsofthispart.Youmaytalkwithyourpartnerfirstbeforewehaveacheckfiveminuteslater.

Showthefollowing.

Whatmoderninventionsdoyouknow?

Describethemtoyourpartnerandhowusefultheyareinlifetoday.

S1:

Adidas1isthethinkingshoeswithabuilt-inmicroprocessorthatdecideshowsoftorfirmthewearerneedsthesupport.IthasbeenchosenbyPopularSciencemagazineasthebestrecreationinventionofxx.Itisveryfortabletowearitalldaywithoutworryingaboutyourtoesbeinghurtandyoucanadjusttheheightandstiffnessaccordingtoyourdemandswheneveryouwantandwhereveryougo.Thusitisaverypracticalchoiceforboththeyoungandtheoldwhenhavingexcitingsportsoutdoorsorrestingathomeduringholidays.

S2:

Cameraphoneshaveopenedupanewwaytomunicate.Becausemanyofthemlooklikeregularcellphones,youcansnappicturesasdiscreetlyasanyspyand,withthepushofafewbuttons,popthemintoane-mailoruploadthemtotheWebinlessthanaminute.Nowiresorputerhookupsnecessary.Tobesure,mostcameraphonesenduptakingpicturesoffriends,family,babiesandpets.ButtheyhavealsobeenusedtosnappicturesofVIPsatprivateparties,copyrecipesfromcookbooksatbookstoresandevendocumentcrimesinprogress.Butwithanestimated80millioncameraphonessoldinxx,6millionintheU.S.alone—thecatmayalreadybeoutofthecamerabag.Likeitornot,thesecameraphoneshavebeenverypopularandwidelyusedbypeopleeventoday.

S3:

AkindofrobotheartcalledAbioCorwasinventedinxx.OnJuly2,xx,the59-year-oldgrandfatherandretiredlibrarianRobertToolsbecamethefirsthumantogetone.It’sbeenlongsincetheoperation,andTools’newheartisstillbeating.Hecanwalkacityblockwithoutstoppingandhe’sevenmakingplansforthefuture.Thoughnoteverybodyneedsanewheart,hundredsofthousandseventuallymay.Norwillanartificialheartridtheworldofsicknessorpovertyorterror.Butsometimesitreallyhelps.

T:

Verygood!

Iamgladtoseethatallofyouhaveknownsomanymoderninventionsbothathomeandabroadandyouhavethoughtalotaboutthem.It’scertainthatmoderndiscoveriesandinventionsdohavegreateffectsonpeople’slifeandcanalwaysrepresenttheadvancedscienceandtechnology,soyoushouldlearntodistinguishthemandmakegooduseofthem.

StepⅡTalking

T:

Supposeyouareworkingforamobilepany.Itisyourjobtosuggestnewwaysofdevelopingamobile.Inpairsdiscusssomenewapplicationsofamobile.Makealistoftheonesyoulikeandthatseemthemostuseful.Chooseoneyoubothlikeandthinkwillbepopularwithotherpeople.Nowworkingroupsoffourtodiscussthequestion.

S1:

Isuggestthenewapplicationsofmobileshouldbe:

portableentertainmentplayers,cameras,member-shipandloyaltycards,guidebooks,maps,tickets,watches,anddevicesforaccessingeverythingfromnewstocorporatedatabases.Amongthem,weliketheapplicationsofdevicesforaccessingeverythingfromnewstocorporatedatabases.Weboththinktheyareusefulandwillsoonbepopularwithothersinthenearfuturebecausetheabilitywillenableawholeclassofworkerstorelylessontheirmemoryandmoreontheirpany’sandevenworld’sknowledgemaintenance,sales,construction,transportation,taxicabdrivers,andmanyotherworkersspendagreatdealoftimefromoffices.Thus,whentheyneedinformation,theymusteitherhaveitintheirheadsorstopwhattheyaredoingandmakeaphonecall.

S2:

Ithinkthenewmobilescanbedevelopedbetterwith4Gtolistentotheradio,watchTV,playgames,doshopping,chatontheQQ,,surftheinternet,controltheelectricalequipmentathomeinthedistance,giveoffharmlessraysandbeusedasputerswithspecialoperatingsystemswhichcandobusiness,havefunandworkasintelligentP4puters.Amongthem,welikethenewapplicationofsurfingtheinternetanddoingshoppingandweboththinktheyareusefulandwillsoonbepopularamongyoungstersbecauseitisveryconvenientforpeopletofindvarioususefulinformationwheneverandwhereverpossible.Astherearedifferentkindsofgoodstochoosefromonlineandit’sveryfunnyandexcitingtomakechoicesandbuywhatweneedatareasonablepricewithoutgoingoutandbargainwithsellersinthemarkets.

…

T:

Verygood.Nowgettogetherwithanotherpairtodiscusswhetheryoursuggestionisagoodone.Makeacaseforyouridea.Lettheotherpairevaluateit.Thenswapsothatyouevaluatetheiridea.Decidewhichideayoulikebetterandpreparetoexplainit.Thenpresentittotheclass.

S1:

Ithinkthefirstclassmate’sexpectationthatthemobilephonescandosomuch,maybemorethantheycanoffer.Themobilephonesusuallyhavelimitedsizeandcapacity.SoIthinkitwilltaketimebeforethemobilesaredesignedtomeethisneeds.

S2:

Ithinkit’spracticalandmeaningfulforthesecondclassmatetodevelopthemobilesinthatway.Thoughithasbeenusedinsomewaysbutwecandobetterbecauseeverydaywehavemuchinformationtolookforanddifferenttypesofthingstodoandthesmartmobilecanmakeitmoreconvenientforustoachieveourgoalsinlife.

…

T:

Now,I’dlikeyoutodiscussingroupsandtrytotelltheothersaboutyourideasandtheotherswhoactastheleadersofthepanymayasksomequestionsforhimorhertoanswer.ThenI’dlikesomeofyoutoreportyourgroupwork.

Fiveminuteslater.

（L=Leaderofthepany）

S:

Ithinkthenewmobilescanbedevelopedbetterwith4GtowatchTVanddoshoppingontheinternet.

L1:

Well,haveyouthoughtaboutthecostofthiskindofnewmobilewhichhasalargecapacityandsuchfunctions?

S:

Yes.I’llmakeagoodsurveyoftheinternationalelectronicmarketsinadvanceandtrytoreducethecostasmuchaspossible.

L2:

Areyousureofthesecuritymeasuresofusingthesemobiles,especiallywhentheyareusedtoshopontheinternet?

S:

Sure.I’llkeepthenewmobilesdesignedsoinorderthattheywillgivewarningmessageswheneverthereismisleadinginformationordishonestyinsellingandbuyingthingsontheinternet.

L3: