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1、三英语教案学案一体化（Unit2--Unit3）高三英语教案Unit2CrossinglimitsStep1Warmingup1.LookatthepicturesonP.10.Doyouknowwhatmadethesepeoplefamous?ZhengHeisfamousforhavingmadeseveralvoyagestotheWest,reachingasfarasAfrica.JamesCookisfamousforhavingmadethreegreatvoyagesaroundtheworld,andmappingcoastsandsearoutes.Christo
2、pherColumbuswhodiscoveredAmericain1492.AbelTasmanwasaDutchmanwhodiscoveredNewZealand.2.Pleasetellmehowmanycontinentsthereareintheworldandwhataretheirnames.Sevencontinents:NorthAmerica,SouthAmerica,Africa,Europe,Asia,OceaniaandAntartica.3.Whatwerethedangersandchallengesexplorersinthepastfacedwhil
3、ediscoveringandexploringtheworld’scontinents?Dangerstowhichexplorerswereexposedwere:Gettinglosteitherinthejungleoratsea;Beingattackedbynativepeople;Beingattackedbywildanimals;Dyinginastorm.Challengeswhichexplorersfaced:Mapswereperhapsnotveryaccurate;Communicationwaslostorimportantinformationcoul
4、dnotbegotontime;Forinlandexplorationtransportwasslow.4.Whatwordsandexpressionswillyouneedtotalkaboutdiscoveryandscienceexploration?CategoryExamplesofwordsandphrasesnavigation,compass,sail,ship,captain,helicopter,camels,elephant,horses,jeepTransport,porters,expeditionCommunicationjournals,maps,ma
5、gazines,Internet,telephones,e-mail,smokesihnals,lettersSciencevegetation,wildlife,(mineral)resources,ore,population,etcandgeographypolar,IndianOcean,Pacific,Atlantic,Caribbean,etcPositioncentral,westernmost,southernmost,remote,altitude,latitudeoil,rubber,spices,silk,fruit,tea,mushrooms,coffee,ch
6、ocolate(cocoa),cotton,tuProductsrkey.maize,etcStep2SpeakingTodealwithsomewords,phrasesorsentencesusedinthetalk（先用汉语解释一下即可，后面具体研究）1.takepossessionof占领，占有inpossessionof某人占有，拥有inthepossessionof某物/某人为某人所占有2.inthenameofsb/sth以⋯的名义，代表3．massesof大量的amassofsand/snow一堆/团/块4.berich/poorin富含/缺乏5．doresearcho
7、n进行调查研究第1页共44页6.astatekeyproject一项国家重点项目7.digup挖掘8.riskone’slife/healthtodosth冒丧失生命，健康之险做某事10.beequippedwith用⋯装备，配备Step3Pre-readingandpost-reading1.ScanthetextandtellmetheanswertothesecondquestiononP.12Thetraderoutesoverland
