英语选修7人教版：精品教案选修七（30份）选修七Unit3 Under the sea Period 7.doc

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1、Period7　ListeningTask，TalkingandWritingTeachingaims　　　　　1．Studentswillbeabletofindoutthereasonswhythepopulationofsharksdecreasessharply.2．Studentswillbeabletoexpressopinionswiththepoliteexpressionslike：Idon'tthinkitiswiseto...Itwouldbebetterifwe...It

2、isagoodideato...Isupposeitisright...Iwonderif...3．Studentswillbeabletopersuadethelocalgovernmenttoprotectwildlifeinapoliteway.Teachingprocedures　　　　　Step1　BeforelisteningShowstudentsapictureofsharkandtellthemafactthatsharkpopulationsaredecreasingrap

3、idly.Step2　DuringlisteningTask1：TellstudentsJordonDaviesisinterviewingthesharkexpertDonJamesaboutthesharks'situation.Firstreadthestatementsbelow.Thenlistenandnumberthesestatementsintheorderthattheyhearthem.□Sharkpopulationsgrowataveryslowrate.□Alota

4、rekilledbecauseofmodernfishingtechnology.□Governmentsshouldtakeactionsothatthefishingofsharksissloweddown.□Sharkattacksgetalotofattentioninthenews.□Sharkpopulationsaredecreasingataseriousrate.□Somespeciesneedtobeprotected.□Thechanceofbeingbittenbyash

5、arkisactuallyverysmall.□Millionsofsharksarekilledeachyear.Keys：theorder：74815623Task2：Listenagainandanswerthefollowingquestions：1．Shouldpeoplebeafraidofswimminginthesea?2．Howmanypeoplearekilledbysharkseachyear?3．Dosharksorpeopleneedtobeprotected？Why?

6、4．Whyaresomanysharksbeingkilled?5．Whydoestheshark'sbiologyaffectsharkpopulations？Completethesentencesblow.A：Ageforreproducingyoung________________________________________________________________________B：Timefortheyoungtodevelop______________________

7、__________________________________________________C：Numberofyoung________________________________________________________________________46．Howlonghavesharkspeciesbeeninexistence?7．WhatdoesDonthinkwillhappenifwedon'tslowdownthefishingofsharks?Suggest

8、edanswers：1．No.2．Onlyafew.3．Sharksneedtobeprotectedasmillionsarekilledeachyearbyhumanbeings，whereasonlyafewhumanbeingsarekilledeachyearbysharks.4．Sometimestheyarekilledbyaccidentandsometimesonpurpose.Forexample，sharkfinsoupisadelicacyinsomeAsiancount