高中英语Unit3UndertheseaPeriod7优秀教案新人教版选修7.docx

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1、Period7ListeningTask，TalkingandWritingTeachingaims1．Studentswillbeabletofindoutthereasonswhythepopulationofsharksdecreasessharply.2．Studentswillbeabletoexpressopinionswiththepoliteexpressionslike：Idon'tthinkitiswiseto...Itwouldbebetterifwe...Itisagoodideato...Isuppo

2、seitisright...Iwonderif...3．Studentswillbeabletopersuadethelocalgovernmenttoprotectwildlifeinapoliteway.TeachingproceduresStep1BeforelisteningShowstudentsapictureofsharkandtellthemafactthatsharkpopulationsaredecreasingrapidly.Step2DuringlisteningTask1：TellstudentsJo

3、rdonDaviesisinterviewingthesharkexpertDonJamesaboutthesharks'situation.Firstreadthestatementsbelow.Thenlistenandnumberthesestatementsintheorderthattheyhearthem.□Sharkpopulationsgrowataveryslowrate.□Alotarekilledbecauseofmodernfishingtechnology.□Governmentsshouldtake

4、actionsothatthefishingofsharksissloweddown.□Sharkattacksgetalotofattentioninthenews.□Sharkpopulationsaredecreasingataseriousrate.□Somespeciesneedtobeprotected.□Thechanceofbeingbittenbyasharkisactuallyverysmall.□Millionsofsharksarekilledeachyear.Keys：theorder：7481562

5、3Task2：Listenagainandanswerthefollowingquestions：1．Shouldpeoplebeafraidofswimminginthesea?2．Howmanypeoplearekilledbysharkseachyear?3．Dosharksorpeopleneedtobeprotected？Why?4．Whyaresomanysharksbeingkilled?5．Whydoestheshark'sbiologyaffectsharkpopulations？Completethesen

6、tencesblow.A：Ageforreproducingyoung________________________________________________________________________B：Timefortheyoungtodevelop________________________________________________________________________C：Numberofyoung______________________________________________

7、__________________________用心爱心专心16．Howlonghavesharkspeciesbeeninexistence?7．WhatdoesDonthinkwillhappenifwedon'tslowdownthefishingofsharks?Suggestedanswers：1．No.2．Onlyafew.3．Sharksneedtobeprotectedasmillionsarekilledeachyearbyhumanbeings，whereasonlyafewhumanbeingsare

8、killedeachyearbysharks.4．Sometimestheyarekilledbyaccidentandsometimesonpurpose.Forexample，sharkfinsoupisadelicacyinsomeAsiancountries.5．15