Unit2单元详解课件示例 人教

Unit2单元详解1.只工作不玩耍，聪明的孩子也变傻AllworkandnoplaymakesJackadullboy.2.十分舒适，十分熟悉ascomfortableasanoldshoeThisoldhouseisfine.Itisascomfortableasanoldshoe.3.被宰了

highwayrobbery

=itisveryexpensive4.AA制goDutch(withsomebody)tosharethecostofamealinarestaurantUnit2Crossinglimits超越极限Warmingup

Lookatthepicturesandtalkaboutthesepeopleandtrytofindoutwhatmadethemfamous?Picture1.ZhengHeisfamousforhavingmadeseveralgreatvoyagestothewest,reachingasfarasAfrica.Picture2.JamesCook,Englishexplorerisfamousforhavingmadethreegreatvoyagesaroundtheworld,andmappingcoastsandsearoutes.Picture3.ChristopherColumbus,anItalian,discoveredAmericainColumbuswasthefirstEuropeantoexploreAmerica.HeexploredtheWestIndies印度群岛SouthAmerica,andCentralAmerica.Picture4.

AbelTasmanwasaDutchmanwhodiscoveredNewZealand.HemadeseveraltradingandexploringvoyagesinthePacificandIndianoceans.WhowasthepersonthatmappedtheIndiancoast?---ZhengHe.2.Whowasthefirstpersonthatdiscoveredthe”NewWorld?---Columbus.3.WhydidAbelTasmansailalongthecoastofAustraliaandmanyislandsinthePacificOcean?---TasmanwastoanswerquestionsaboutthenatureofthegeographyofPacificOceanregionduringhisexploration.4.WhatwasJamesCook’spurposeofhisvoyage?---CookwaschosenbytheRoyalSocietyofLondontoundertakeascientificjourneytoTahititoobserveanddocumenttheeventastheplanetVenuspassedbetweentheearthandthesun.Hissecrettaskwastofindnewlandmassesinthesouth.

Therearesevencontinentsintheworld.TheyareAsia,Africa,Europe,NorthAmerica,SouthAmerica,OceaniaandAntarctic.Themapoftheworld

thefive-ringed

symbol"representstheunionofthefivecontinentsandthemeetingofathletesfromtheworldattheOlympicGamesEuropeAfricaAmericaAsiaOceaniaBlue---standsforEurope.BlackstandsforAfrica.RedstandsforAmerica.YellowstandsforAsia.GreenstandsforOceania.1)WhichoceanseparatesAsiafromOceania?--ThePacificOceanseparatesAsiafromOceania.2)WhichoceanseparatesEuropefromAmerica?---theAtlanticOceanseparatesEuropefromAmerica.3.Whatwerethedangersandchallengersthatexplorershadtofaceinthepastwhileexploringtheworld?--Therewerealotofdangersthatmadetheirexplorationdifficult.First,theyhadtostruggleagainstbigstorms,icebergsandthegreatrocksthatlieunnoticedinthesea.Second,theymayeasilygetillwithoutfreshvegetablesonboard.Third,theyhadtofightagainstpirates海盗andunfriendlynatives.3.Wordsandexpressionswillyouneedtotalkaboutdiscoveryandscienceexploration?--CategoryExamplesofwordsandphrasesTransportnavigation导航领航,compass,sail,ship,helicopter,camels,elephant,horses,jeep,expedition远征队Communicationjournals,Internet,telephone,e-mail,smoke,signals,lettersScienceandgeographywildlife,mineral,resources,population,polar,Indian,Ocean,Atlantic,etc.Positioncentral,westernmost,southernmost,remote,altitude海拔高度,latitude纬度Productsoil,rubber,spices,silk,fruit,tea,mushroomcoffee,chocolate,cocoa,cotton,maize,etc,Speaking:Vocabulary:1.meetwithsomebody/somethingphrasalverb=tohaveameetingwithsomeoneRepresentativesofEUcountrieswillmeetwithAmericanpoliticianstodiscussthetradecrisis.Imetwithmyfriendonmywayhere.Inthewoodshemetwithtwostrangers.Thisworkmetwiththesamefailure.2.makeadecision/makedecisions3.evaluate--tojudgehowgood,useful,orsuccessfulsomethingisYoushouldbeabletoevaluateyourownwork.Therewasnotenoughtimetoevaluatetheinformationbeforethemeeting.4.various--differenttypesofthatthing1)Thejacketisavailableinvariouscolors.2)Therearevariouswaystoansweryourquestion.Hedecidedtoleaveschoolforvariousreasons.5.takepossessionof…getandstartusingWedidn'ttakepossessionofthecaruntilafewdaysaftertheauction.Thepolicemantookpossessionofthethief’henameof……usinglaw,religion,freedometcasthereasonwhysomethingisdone-usedespeciallywhenyoudisapproveofwhatsomeoneisdoingcruelexperimentsonanimalscarriedoutinthenameofscienceIarrestyouinthenameofthelaw.Letmethankyouinthenameofusall.formalassomeoneelse'sofficialrepresentative2)Iopenedanaccountatthebankinyourname.6.key—adj.veryimportantornecessaryThePresidentmakesallthekeydecisionsonforeignpolicy.Lawsarekeytomaintaininganorderlysociety.7.origin--theplaceorsituationinwhichsomethingbeginstoexist起源anewtheorytoexplaintheoriginsoftheuniverseAIDSbecamewidespreadinthe1980s,butno-oneiscertainofitsorigin.8.equip--toprovideapersonorplacewiththethingsthatareneededforaparticularkindofactivityorworkequipsomebody/somethingwithsomethingTheyspentalotofmoneyequippingtheschoolwithnewcomputers.Heequippedhimselfwithahammerandnails.Theroomsareequippedwithvideocameras.Agoodeducationwillequipyourchildrentogetagoodjob.Pre-reading---Introduction1.China’straderelationswithothercountriesdatebackseveralthousandyears.Itstraderelationstothewestwerelargelycarriedoutalongthefamoussilkroad.Intheearly15thcentury,ChinaalsostartedexploringdestinationsbeyondSoutheastAsia.Forashorttime,Chinaruledthesea.2.WhatcouldhavebeenthepossiblereasonstosearchforsearoutesfromChinawhileroutesoverlandwereshorterandalreadyexisted?---Thetraderoutesoverlandbecametoodangerousbecauseofwarandrobbers.Tradebyseaalsoallowedmerchantstomakemoregoods.Reading:Reachingoutacrosstheocean.跨海越洋Howdoyouunderstandthethesentence“reachingoutacrosstheocean?--Chinesewerereachingtotheoceans2)WhydidChinesereachoutacrosstheocean?--Theywantedtotradewiththewesternlandsandshowfriendshiptothem.4.Whatformedthefoundationofmankind’sinterestinexploration?---Tradeandcuriosityformedthefoundationofmankind’sinterestinexploration.5.WhatwasColumbus’spurposeofsearchingforthewealthyAsianlands?---Hispurposeofsearchingwastoseektreasure.6.Whichoceandoes“WesternOceanreferto?---ItreferredtopartofthePacificOceanandpartofIndianOcean.7.WhoexploredtheWesternOceanbeforeColumbus?--ManypeopleexploredtheWesternOcean,amongwhomZhengHewasthemostfamous.Readthepassageandpointoutthetopicsentenceforeachparagraph.Para.1thesissentence论论题ManygreatexplorersmadeexpeditionsacrosstheIndianOceanlongbeforeColumbus,amongwhomZhengHewasthemostoutstanding.Para.2ChinahadcontactswithcountriesalongtheIndianOceanfromtheearlytimes,andduringancienttimeexplorershadbeguntocontactwitheachother.Para3.BetweentheHanandtheearlyTangDynasty,SwahilikingdomandtheislandsofftheAfricancoastdevelopedintotheworldtradecenterandattractedmerchantsfromtheworld.Para.4DuringtheTangDynasty,DuHuan,whotraveledtomanylands,wrotethebookRecordofMyTravels.Para.5.Inthe11thcenturytheAfricansmadeseveralvoyagestothecourtoftheSongDynasty.Para6.Bythebeginningofthe15thcenturythetimewasripeforagrandmeeting.Para7.Intheyearsbetween1406and1433,underthecommandofZhengHe,sevenlargetreasurefleetssailedwestwardsonvoyagesoftradeandexploration.Para8.ZhengHerenewedrelationswiththekingdomoftheEastAfricancoast.Para9.Thefleetmadeseveralexpeditionsbeforetheexplorationwasstopped.Dealwiththelanguagepointsendeavor--formaltotryveryhardTheyendeavoredtochangesociety.Heendeavoredtoclimbthemountain.Youmustendeavortodoitbetter.Pleasemakeeveryendeavortobeearly.2.puzzle-toconfuse1)Hisvoicepuzzledme.2)Iampuzzledaboutwhattodonext.2)Hisfaceworeapuzzledexpression.3)Thesituationwasmorepuzzlingthaneverbefore.puzzle——noun.1)achild'swoodenpuzzle2)acrosswordpuzzle.3)Themeaningofthepoemhasalwaysbeenapuzzle.3.routes--awayfromoneplacetoanotherWhat'sthebestroutetoCambridge?abusrouteIfyoudon'tenjoydrivingonthemainhighways,trysomeoftheruralroutes.4.findone’’swayto..pushone’’swayto……fightone’’swayto……feelone’’swayto……loseone’’swayto……5.inexchangefor……1)IgavehimabookinexchangeforhisMP3player.2)I‘‘veofferedtopaintthekitcheninexchangeforaweek’’saccommodation.(膳膳宿宿)6.spices---atypeofpowderorseed,takenfromplants,thatyouputintofoodyouarecookingtogiveitaspecialtastepepper胡胡椒椒,cinnamon桂桂皮皮,clover,三三叶叶草草ginger姜姜粉粉arespices1)Addsomespicestothemixture.2)Herestorexcitementthatisaddedtosomething3)Traveladdsspicetoyourlife.7.spicy——adj.synonymhotspicyItaliansausage8.betakenprisoner--someonewhoiskeptinaprisonasalegalpunishmentforacrimeorwhiletheyarewaitingfortheirtrialOurpilotwastakenprisoner.9.wander--towalkslowlyacrossoraroundanarea,usuallywithoutacleardirectionorpurposewanderthroughtheforestwanderthroughthecitywanderinEuropewanderthestreet.wanderer..apersonwhomovesfromplacetoplaceandhasnopermanenthome10.court-宫宫廷。朝朝廷，法法庭1)thecourtoftheSongDynasty2)theInternationalCourt11.awareness--knowledgeorunderstandingofaparticularsubjectorsituationHealthofficialshavetriedtoraiseawareness(=improvepeople'sknowledge)aboutAIDS.politicalawarenessenvironmentalawareness12.accurate—correctandtrue