新编大学英语综合教程1 B1U5 Activate课件.ppt

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1、AnimalWorldPART1ActivateDiscussingBrainstormingListeningWatchingBrainstormingTASKONEGettingFamiliarwithAnimalsCanyounamethem?crocodileostrichfrogTASKONEWhalePenguinSharkHippoHumming-birdABriefIntroductiontotheAnimalWorldTASKONE◇AnimalscanbefoundinliterallyalloftheEarth’shabitats(栖息地)(e.g.the

2、depthsoftheoceans,thefreezingArctic,withinotheranimalsandplants).◇Classification:animalswithoutbackbones(invertebrates)andanimalshavebackbones(vertebrates).◇Theanimalkingdomisdividedintoaboutthirtyphyla(门).◇Thearthropods(节肢动物)phylaconstitutesabout75percentofallknownanimalspecies.DiscussingTA

3、SKTWOTheClassificationofAnimalsStep1ReadabriefintroductiontotheanimalclassificationandclassifytheanimalsmentionedinTASKONEaccordingtotheircharacteristicsandhabitsyoulearnedinthispart.TASKTWOAnimalsaregenerallydividedintofivegroupsbasedontheirdifferentcharacteristicsandhabits:mammals,reptiles

4、(爬行类),amphibians(两栖类),fishandbirds.1.Mammals:◇Theirbodiesarecoveredwithhairorfur.◇Mothermammalsfeelmilktotheirbabies.◇Theyarewarm-blooded.TASKTWO2.Reptiles◇Allreptileshavescales.◇Motherreptileslayeggs.◇Mostreptileshavefourlegs.(Asnakeisareptilewithnolegs.)3.Amphibians◇Theytypicallyliveonland

5、butlaytheireggsinwater.◇Theyarecold-blooded.◇Adultamphibiansbreathewithlungs.TASKTWO4.Fish◇Theycanbefoundinnearlyallaquaticenvironments,fromhighmountainstreamstothedeepestoceans.◇Mostfisharecold-blooded.◇Theirbodytemperaturesvaryasambient(周围的)temperatureschange.◇Theybreathethroughgills.5.Bir

6、ds◇Allbirdshavefeathers.◇Allbirdshavetwowings.◇Motherbirdslayeggs.MammalsReptilesAmphibiansFishBirdsStep2TASKTWODoyouknowsomespecialhabitsandbehaviorsofcertainanimals?Makeadiscussiononthem.ListeningTASKTHREEMenVS.AnimalsWhatseparatesmenfromanimals?TASKTHREEPre-questionPre-questionlanguageand

7、thoughtawarenessofthedifferencebetweenrightandwrongthefreedomtomakechoicestheabilitytothinkrationallytheabilitytoreasonoutbettercontrolofbaseinstinctstheabilitytobecreativeTASKTHREESampleDirections:Listentothepassage“MenVS.Animals”.Workinsmallgroup