Unit6+Earth+first+Understanding+ideas+课件 【知识精讲精研】高中英语外研版（2019）必修第二册

Unit6EarthfirstP82UnderstandingideasLearningObjectivesBytheendoftheclass,youwillbeableto:1.Understandthebasicstructureofthetext;2.Graspthecoreinformationthroughreading;

3.Usethecriticalthinkingtoanalysetheattitudes;

4.Raisetheawarenesstoprotectanimals.Warm-up

Activity1

DrawandSpeak

fin[fin]Warm-upWhat’syourimpressionofsharks?

(useadjectivestodescribeit)

What’syourimpressionofsharks?(useadjectivestodescribeit)endangereddangerousterrifyingpowerfulsharksman-eatinghugeinterestingintelligentcuteBrainstormingdangerousterrifyingman-eating(1)ReadthepassageandfindouthowsharksaredescribedinthefilmJaws.Lead-in

Activity2Read

andFind(2)Jaws,StevenSpielberg1975Lead-inSharks:dangerousorendangered?Pre-reading(3)Howdoyouunderstandthetitle?Activity2FastReadingWhile-reading(4)Findouttopicsentenceofeachparagraph.Para1Para2Para3Para4Para5A.Thereasonwhythenumberofsharksbecomesmaller.B.IntroducethetopicbydescribingtheopeningsceneofthefilmJaws.C.Goodchangesabouttheprotectionoftheendangeredanimals.D.Theterribleinfluenceonpeoplemadebythefilm.E.ThebackgroundaboutthebookwhichthefilmJawswasbasedon.While-readingActivity2FastReading(5)Matchthemainideaofeachparagraph.1.WhyisthefilmJawsmentionedatthebeginningofthepassage？Toshowhowitinfluencedpeople’sattitudetowardssharks.Toattractreaderswiththeimpressivescene.Itstrengthenedpeople’slong-heldideaofthegreatwhitesharksasadangerousanimal.Activity3Readpara1fordetailsWhile-readingWhile-reading2.Whatcausedtheendangermentofsharks?people’sfearofsharksfinningPara2Peoplesawsharksas

___________________________________________________

Peoplewantedsharks

_____________Para3Whatisfinning?Whydoesfinninghappen?Activity4Readpara2-para3

badanimalsandthehorriblecreaturekilledfinning:atypeoffishingwheresharksarecaughtandtheirfinscutoff.Whatisfinning?Whydoesfinninghappen?ThedifferentattitudesofPeterBenchileyTimeThingshedidHisviewsonsharksbefore1975writingabookthefilmJawswasbasedonafter1980fightingtoprotectsharks;admittingthathisbookwaswrongIshealoneintheprotectionofsharks？Activity5Readpara4

andfilloutdangerousandfrighteninganimalsPeoplewereadangertosharks.Sharksdon’ttargethumans.Activity6Whatistheauthor`swritingpurpose?While-reading1.TocriticisePeterBenchley'smisleadingdescriptionofsharksinhisbookandadvocatetheprotectionofsharks.2.Toexplainpeople'smisunderstandingofsharksandraiseawarenessofsharkprotection.3.Toinformpeopleaboutsharksandrecommendthefilmandthebooktothem.Sharks:dangerousorendangered?While-readingActivity7Completethechart(P85)asdangerousanimalsHowattitudestowardssharkshavechanged?sharkswerebadanimalsthatatehumansswimmingintheseafishforsharksfearofsharksandfinningHowattitudestowardssharkshavechanged?waswrongaboutsharks’behaviortoprotectsharksdonotseepeopleasfoodunderstandingsharksprotectsharksfromextinctionHowattitudestowardssharkshavechanged?post-readingActivity8Concludethebasicstructureofthetext.SharksDangerousorEndangered?para+parapara+parapara12dangerous34endangered5protectsharksfromextinctionpost-readingActivity9Whatisthetypeofthetext?QuestionAnalysisConclusionArguingorExpl