高一英语crossing limits教案2

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1、Unit2　CrossinglimitsⅠ.BriefStatementsBasedontheUnitThetopicwewilltalkaboutinthisunitisaboutexploringtheworld.First,fourfamousvoyageexplorersintheworld,includingZhengHeinChina,JamesCookinEngland,ChristopherColumbusinSpainandAbelTasmaninHollandarebrieflyi

2、ntroduced.Theyplayedanimportantroleinthehistoryoftheworld’svoyage.Second,we’lllearntwopassages:oneisaboutReadingoutacrosstheocean,whichtellsusthecontactsbetweenChinaandAfrica.TheotherisaboutGoinghigh:thepioneersofthethirdpole,whichdescribestousthatsomepeo

3、plefromallovertheworldclimbedMountQomolangma.Thesewillprovidesomeinformationforusaboutexploringtheworld,andatthesametimemakeusfeeltheexplorers’hardship,puzzles,successandgreatness.Inaddition,thestudentscanlearnsomeusefullanguagepointsthroughthematerialspr

4、ovidedinthisunit,whichareveryhelpfulforthestudentstobuildupvocabularyaboutexploration.Inthegrammarpart,thestudentswillreviewthePredicatebydoingsomeexercises,especiallyhowtousetheproperformsofgivenverbstocompletethepassages.Atlast,teacherwillhelpthestudent

5、sfinishthetaskofwriting,thatis,howtowriteapersuasiveessay.Inaword,thestudents’integratingskillscanbewelldevelopedthroughlearning.Ⅱ.TeachingGoals1.Talkaboutexploringtheworld.2.Practisejudgingsituationsandmakingdecisions.3.ReviewthePredicate.4.Writeape

6、rsuasiveessay.Ⅲ.BackgroundInformation1.Columbus’sVoyagesColumbusmadefourvoyagestothewestbetween1492and1504inhisvainsearchforasearoutetoAsia.Themysteryofwhyhefailedtofindithaunted（萦绕在心头）himandfilledhimwithsadness.Whereverhewent—toCuba,Puerto,Rico,Jamai

7、ca,SouthAmerica,Panama,downthecoastofCentralAmerica—itwasalwaysthesamestory.Insteadofgoldenpalaces,thereweregrasshutsandpalm-leaftents.Insteadofsilk-robbedmerchantprinces,hefound“Indians”whodidnothavesomuchasashirtontheirbacks.WhenColumbusexploredtheWest

8、Indiesin1493,heheardtalesofafierceIndiantribe（部落）whoreallydevoured（吞噬）itsdefeatedenemiesafterabattle.Thispeoplewascalledbymanynamesinthearea,includingCalina,Canima,Carib,CaribaandCaniba.ColumbusrecordedthenameoftheA