单元（章）主题Unit15任课教师与班级本课（节）课题SectionA(2a—2c),GrammarFocus第2课时/共6课时教学目标（含重点、难点）及设置依据Ⅰ.TeachingAimsandDemands1.KnowledgeObjects(1)KeyVocabularyendangered,mangrove,swamp,habitat,aquaticfeed,underwater,vegetation,foot,weigh,pound(2)TargetLanguageHowbigaremanatees?They’reabout10feetlongandtheyweighabout1000pounds.2.AbilityObjects(1)Trainstudents’listeningability.(2)Trainstudents’speakingability.(3)Trainstudents’theabilityofusinggrammarfocus.3.MoralObjectWemustbefullyawareoftheimportanceofreducingpollutionandprotectinganimals.Ⅱ.TeachingKeyPoints1.KeyVocabularyendangered,mangrove,swamps,habitat,aquaticfeed2.TargetLanguageHowbigaremanatees?They’reabout10feetlongandtheyweighabout1000pounds.3.StructuresPresentprogressiveWe’retryingtosavethemanatees.PresentManateeseatabout100poundsoffoodaday.Pastwith"usedto"Thereusedtobealotofmanatees.PassivevoiceIn1972,itwasdiscoveredthattheywereendangered.PresentperfectSomeoftheswampshavebecomepolluted.Ⅲ.TeachingDifficultPoints1.thetargetlanguage2.Howtotrainstudents’listeningability.Ⅳ.TeachingMethods1.Listeningmethodtoimprovestudents’listeningability.2.Pairworktomakeeverystudentworkinclass.3.Review,explanation,inductivemethods教学准备1.Ataperecorder2.Theblackboard教学过程内容与环节预设个人二度备课（反思与纠正）StepⅠRevisionCheckhomework.Getsomepairstoactouttheirconversations.Whentheywork,therestofstudentsalsoguesswhatanimalstheyaretalkingabout.StepⅡ2aThisactivityprovidesguidedlisteningpracticeusingthetargetlanguage.Lookatthepicture.Ask,Whatcanyouseeinthepicture?(Amanateeisinthewater.)Gothroughtheinstructionswiththeclass.Youwillheartwopeopletalkingaboutmanatees.Listenanddrawalinebetweeneachwordanditsdefinition.Readthesampleanswer.Thensay,Thewordendangeredmeanstherearen’tverymanyofthisanimalleftintheworld.Themanateeisendangeredbecausetherearen’tverymanyoftheseanimals.Playtherecordingforstudentsthefirsttime.Thistimestudentsonlylistentotherecordingcarefully.Playtherecordingasecondtime.Thistimestudentsdrawlinesbetweeneachwordanditsdefinition.Checktheanswerswiththeclass.Answers1.b2.d3.a4.cTapescriptBoy:Canyoutellusaboutthemanatees,please?Man:Sure.We’retryingtosavethem.Boy:Why?Aretheyendangered?Man:Yes.Thereusedtobealotofmanatees,butnowtherearen’tverymanyofthem.Boy:Doyouknowhowmanythereare?Man:Atthispoint,thereareonlyabout2500intheU.S.In1972,itwasdiscoveredthattheywereendangered.Sincethen,thegovernmenthaspassedlawstoprotectthem.Boy:Wheredotheylive?Man:Theirfavoritehabitatisthewaterunderthetreesinmangroveswamps.Boy:Andwhyaretheyendangered?Man:Someoftheswampshavebecomepolluted.Also,theresometimesisn’tenoughfoodforallofthem.Asyoucansee,they’relarge.Theaveragemanateeisaboutthreemeterslongandweighsabout1000pounds.Theyneedabout100poundsofaquaticfeedaday.Boy:Aquaticfeed?Man:Oh,that’sunderwaterplantsandvegetation.That’swhattheyeat.StepⅢ2bThisactivityprovideslisteningpracticeu-singthetargetlanguage.Gothroughtheinstructionswiththeclass.Lookattheheadingsinthechartandtheblanksnexttoeachheading.Youwillhearthesamerecordingagain.Thistimelistencarefullytowhatbothpeoplesayandfillintheblanksinthechart.Lookatthesampleanswer.Thetwopeopleontherecordingaretalkingaboutmanatees,soyouwritethewordmanateeafterthewordskindofanimalinthechart.Playtherecordingagain.Getstudentstofillintheblanksinthechart.Checktheanswer...
