九年级英语We are trying to save the manatees 2新人教版VIP免费

Wearetryingtosavethemanatees第2课时TheSecondPeriodⅠ．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,inductivemethodsⅤ．TeachingAids1．Ataperecorder2．TheblackboardⅥ．TeachingProceduresStepⅠRevisionCheckhomework．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．Checktheanswerswith...