Unit2CommunicationCommunicationWorkshop课件北师大版英语八年级下册.pptx

Unit2

Doanimalsneedcommunication

Lesson4Animaltalk

insectswhalesantsbeesmiceHowdotheycommunicatewitheachotherIthinkantscommunicatebybodylanguage.

Mydogisinthegarden.Heswagginghistail,hismouthisopenandheislookingatme.WhatishetryingtotellmeJaneRoberts

MydogisInthegarden.HeIswagginghlstall,hismouthisopenandheIslookingatme.WhatIshetryingtotellme?JaneRobertsreports.Peoplehavealwaysbeeninterestedinanimalcommunicationandscientistshavedonealotofresearchonthissubject.Mostanimalscommunicatebysmell.Dogsarefamousforthis.Whenadogwalksoutside,itlearnsaboutotherdogsbysmellingthings.Dogshavehelpedthepoliceforalongtime,too.Theycanfindmissingpeoplebyusingtheirfantasticsenseofsmell.Micehaveanexcellentsenseofsmell,too.Andscientistshavetrainedthemtofindlandmines.Scientistshavediscoveredthatevenantsusesmell.Theyusesmelltotellotherantswherethefoodis.Everyonehasheardbirdssinging.Researchhasshownthatmanyotheranimalsusesoundtocommunicate.Frogsandinsectscommunicatewithsounds.Usuallythegentlemenmakesoundstoinvitetheladies.Readthetext.Findoutthe3mainmethods(方式)ofanimalcommunication.●Bysmell●Bysound·BybodylanguageWhalesandelephantsalsousesoundtocommunicate.Thesesoundscantravelveryfarthroughwaterortheground.However,itisnotpossibleforhumanstohearsomeofthesounds.Theyareeithertoolowortoohighforus.Animalshavealwaysusedbodylanguagetocommunicateaswell.Whenacatputsitsearsback,itisabitmad.Whenitsitswithitstailarounditself,itishappy.Whenadogputsitstailunderitsbody,itisscared.Whenitwagsitstailandopensitsmouth,itishappy.SoIthinkmydogishappyrightnow.

WaysofcommunicationanimalsBysmellingdogs、mice、antsBysoundbirds、frogs、insects、elephants、whalesBybodylangu