UNIT2 Video Time(ppt课件+视频)-2022新人教版（2019）《高中英语》必修第二册.rar

Tolearntogetinformationfromwatchingavideo.Tolearntoguesswhatthevideoisaboutbygettinginformationfromthequestions.Tolearntocollectcharactersopinionsinavideo.Tolearntoexpressyouropiniononwildlifeprotection.9 Essential Elephant Facts1.Thereare3differentkindsofelephantspecies.theAfricanbushelephant,theAfricanforestelephant,andtheAsianelephantElephantsusetheirtrunksnotonlytobreathe,smellandeat,buttograspthetrees,pickupobjectsweighingasmuchas700pounds,digforwater,andgivethemselvesshowers.2.An elephants trunk is an all-purpose tool.Thelargesurfaceareaofitsearsislinedwithmanybloodvessels,whichtakeheatawayandthushelptocoolthetemperaturedowninthehotsun.3.An elephants ears help to dissipate heat(散热散热).4.Elephants are extremely intelligent animals.Notonlycanelephantsusetoolswiththeirtrunks,buttheyalsodisplayahighdegreeofself-awareness(forexample,recognizingthemselvesinmirrors)andempathy(同感同感)towardothermembers.5.Elephant groups are dominated by females.Elephantshaveauniquesocialstructure:malesandfemalesliveapart.Threeorfourfemales,togetherwiththeiryoung,livetogetheringroupsofuptoadozen,whilemaleseitherlivealoneorformsmallergroupswithothermales.6.Pregnancy(孕期孕期)of the elephant lasts almost two years.About22months,Africanelephantshavethelongestgestationperiodofanylandmammal(陆地哺乳动物陆地哺乳动物).Newbornelephantsweighabout110kg,andtheyusuallyhavetowaitatleastfourorfiveyearswiththeirmother.7.Elephants evolved（进化）（进化）over 50 million years.Elephantsusedtobealotmorecommonthantheyaretoday.Fromthefossil(化石化石)evidence,theprogenitor(始祖始祖)ofallelephantswastiny,pig-like,whichlivedinnorthernAfricaabout50millionyearsago.Today,theclosestlivingrelativeofelephantsmanatees(海牛海牛).8.Elephants are important parts of their ecosystems(生态系统生态系统).Elephantshaveangreatinfluenceontheirhabitats,trees,etc.Theirbehaviorsbenefitnotonlytheelephantsthemselves,butalsootheranimals,whichtakeadvantageoftheseenvironmentalchanges(forexample,Africanelephantshavebeenknowntodigcaves,whicharethenusedasshelterbybats,insectsandsmallermammals).9.Elephants continue to be endangered by the ivory trade.Whileelephantsaresubjecttothesameenvironmentalpressuresasotheranimalspollution,habitatdestructionandhumancivilization,theyareespeciallyvaluabletopoachers(偷猎者偷猎者),whovaluethemfortheivorytrade.OnepositivedevelopmentistherecentdecisionbyChinatobantheivory.What do you think elephant whisperers do?Who they might be?Whats the relationship between elephants and elephant whisperers?TheelephantwhisperersaretheelephantkeeperswhoworkforaprogrammeinKenya.Theorganizationaimstorescueandraiseorphanelephants,andthenreturnthemtothewild.Sofar,ithashelpedhundredsofbabyelephants.who?where?why?The elephant whisperersLook at the title,introduction,and picture on page 24.Then guess whether the statements are true(T)or false(F).Beforewatchingthevideo,youcanreadandcirclethekeypointsineachsentencesothatwhenyouarewatching,youcancatchtheusefulinformationeasily.Check your answers.1.Theelephantsmothersleftthemalone.2.ThebabyelephantsallcomefromdifferentareasofKenya.3.Thenativeenvironmentoftheelephantsistheforest.4.Thekeepershavetofeedtheelephantseveryfourhours,dayandnight.5.Thekeepershavetosleepwiththeelephants.FTTFTWatch again.Arrange the following items in the order you see them in the video.Write numbers 1-7 on the lines.ATwoelephantsmakefriends._BTheelephantkeepersleadtheelephantsintotheforest._CAkeepersingstotheelephants._DTheelephantsplayfootball._EAnelephantkeeperfeedsanelephantsomeleaves._FThekeepersputtheelephantstobed._GThekeepersfeedtheelephantsmilkusingbottles._3274165Answer the questions using information from the video.1.Accordingtotheelephantkeeper,inwhatwayareelephantslikepeople?Theyarelikepeoplebecauseifyoulovethem,theywillloveyoutoo.2.Whatisthemostimportantthingelephantsmustlearnatthecenter?Themostimportantthingtheymustlearnistomakefriends,sotheycansurvivetogether.Discuss the questions in groups.1.Whyisthisprogrammeimportantforelephantsandfortheworld?Theprogrammeisimportantbecauseitprotectselephantsindangerandwillstopthembecomingendangered,whichisgoodfortheworldbecauseitprotectsthediversityofnature.2.Haveyouevertakencareofababyanimal?Inwhatwaysisitsimilartoordifferentfromtakingcareofahumanbaby?Itookcareofakittenonce.Itwaslikeahumanbabybecauseitcouldnotlookafteritselfandneededhelpwithfeeding.Listatleast5usefulmeasuresthatwecandotoprotectwildlife.