甘肃省兰州市兰州三十一中2011-2012学年九年级英语-unit-15--Section-A课件-人教新目标版VIP免费

Wearetryingtosavethemanatees!Unit15SectionAStudyGoals:1.Toreviewstructureslearned.2.Tolistenandtalkaboutanimals.WarmingupAnimalsareman’sfriends.1aHerearesomewordsthatdescribeanimals.Writethesewordsintheboxesbelow.Thenwriteotherwordsyouknow.gentlefurryenormousplayfulnoisyshyaggressivegrayfastspottedWhat’sthis?Andhowtodescribeit?aggressive,funnyPolarbearAfricanelephantsenormousgrayWhat’rethey?Andhowtodescribethem?ChimpanzeesnoisycleverWhat’rethey?Andhowtodescribethem?KangaroosplayfulWhat’rethey?Andhowtodescribethem?ManateesgentleshyWhat’rethey?Andhowtodescribethem?CheetahsspottedfastWhat’rethey?Andhowtodescribethem?1bListenandcirclethewordsinactivity1athatVictorandGinnyusetodescribetheanimals.gentlefurryenormousplayfulnoisyshyaggressivegrayfastspottedSectionA1b•Boy:Hey,Ginny.What’sthatbig,furryanimalinthepond?Girl:It’sapolarbear,Victor.They’rekindofaggressive.Boy:Arethey?Looksliketheyreallylovewater.Girl:Uh-huh.Boy:Andwhatdoyoucallthosebig,graythingsinthewater?Girl:They’recalledmanatees.Boy:What?Girl:Manatees.They’reverygentleandveryshy.Boy:Oh.Andhowabouttheyellowandblackspottedanimalsinthatcage?Girl:They’recheetahs.Thecheetahisthefastestanimalonearth.IamlikethisanimalbecauseIamstrongandintelligent.Ilikewater,andIliketoeatvegetables.Canyouguess?Amanatee.1cGROUPWORK1.endangered2.mangroveswamps3.habitat4.aquaticfeedListenandmatchthewordwithdefinitions.2aa.theplacewheresomethinglives.b.therearen’tverymanyofthem.c.underwaterplantsandvegetation.d.aplacewheretreesgrowinwater.Listenagain.Completethechart.KindofanimalmanateeNumberHabitatReasonwhytheyareendangeredDescription2,500intheU.S.waterundertreesinmangroveswampsswampspolluted,notenoughfoodlarge,tenfeetlong,weighs1,000pounds2bSectionA2a2b•Boy:Canyoutellusaboutthemanatees,please?Man:Sure.We’retryingtosavethem.Boy:Why?Aretheyendangered?Man:Yes.Thereusedtobealotofmanatees,butnowtherearen’tverymanyofthem.Boy:Doyouknowhowmanythereare?•Man:Atthispoint,thereareonlyabout2,500intheU.S.In1972,itwasdiscoveredthattheywereendangered.Sincethen,thegovernmenthaspassedlawstoprotectthem.Boy:Wheredotheylive?Man:Theirfavoritehabitatisthewaterunderthetreesinmangroveswamps.Boy:Andwhyaretheyendangered?•Man:Someoftheswampshavebecomepolluted.Also,theresometimesisn’tenoughfoodforallofthem.Asyoucansee,they’relarge.Theaveragemanateeisabouttenfeetlongandweighsabout1,000pounds.Theyneedabout100poundsofaquaticfeedaday.Boy:Aquaticfeed?Man:Oh,that’sunderwaterplantsandvegetation.That’swhattheyeat.Howbigaremanatees?They’reabout10feetlongandtheyweightabout1,000pounds.2cPAIRWORKGrammarFocusWe’retryingtosavethemanatees.Manateeseatabout100poundsoffoodaday.Thereusedtobealotofmanatees.In1972,itwasdiscoveredthattheywereendangered.Someoftheswampshavebecomepolluted.PresentProgressivePresentSimple“usedto”+infinitivePassiveVoicePresentPerfect英语的语态是通过动词形式的变化表英语的语态是通过动词形式的变化表现出来的。英语中有两种语态：现出来的。英语中有两种语态：主动语态主动语态和和被动语态被动语态。。主动语态表示主语是动作的执行者。主动语态表示主语是动作的执行者。ManypeoplespeakEnglish.ManypeoplespeakEnglish.谓语：谓语：speakspeak的动作是由主语的动作是由主语manypeomanypeopleple来执行的。来执行的。被动语态表示主语是动作的承受者，即被动语态表示主语是动作的承受者，即行为动作的对象。行为动作的对象。Englishisspokenbymanypeople.Englishisspokenbymanype...