Unit-4-Animal-Extinction-Using-language.ppt

ReadingII,usinglanguage,Dinosaurisananimalthatwecannotseeontheearthnow.Whatweseeinthemuseumarethefossilsofmanykindsofdinosaurs.Theywerefoundbythepeopleathomeandabroad.Somedinosaurshavelongnecksandtails,whileotherslooklikebirds.,Enjoythevideo,JurassicPark(3D)电影侏罗纪公园3D预告片,Whatsyourimpressiononthedinosaurs?,huge,fierce,large,dangerous,Usinglanguage,FastReading,1.Whendiddinosaurslive?2.Whendiddinosaursdieout?3.Howdiddinosaursdieout?,1.Whendiddinosaurslive?Tensofmillionsofyearsago.2.Whendiddinosaursdieout?About65millionyearsago.,3.Howdiddinosaursdieout?Alargerockhittheearthandputtoomuchdustintotheair.Theearthgottoohottoliveon.,Usinglanguage,CarefulReading,ReadthepassageagainandtrytofinishtheTask2intheexercisebook,Theylivedontheearthtensofmillionsofyearsago,longbeforehumanscameintobeingandtheirfutureseemedsecureatthattime.点拨1本句是一个由and连接的并列句，其中，longbefore引导时间状语从句，进一步解释说明tensofmillionsofyearsago，意为“在之前很久”。注意：beforelong意为“不久以后”。,Languagepoints,如：IknewTomlongbeforeIknewyou.我在认识你之前很久就认识汤姆了。Wehopetofinishourexperimentbeforelong.我们希望不久就把实验做完。,点拨2ontheearth在地球上。在earth,sun,moon等表达世界上独一无二的名词前,要加the。点拨3comeintobeing的意思是“开始存在;发生”。我们不知道这世界是什么时候存在的。Wedontknowwhentheworldcameintobeing.,2.Whenscientistsinspectedthebones,theyweresurprisedtofindthatthesedinosaurscouldnotonlyrunliketheothersbutalsoclimbtrees.点拨本句中的tofindthat.是不定式作原因状语。不定式用来表原因时，常修饰表示情感、心理状态、性格等的形容词，如：,happy，glad，lucky，fortunate，surprised，angry，anxious，cruel，clever，frightened，shocked，sorry，eager，proud，disappointed，foolish，impatient，unwise，naughty等。如：,Weweresurprisedtoseehim.我们真想不到会见到他。WeareproudtobeyoungpeopleofnewChina.作为新中国的青年，我们感到很骄傲。Youwerefoolishtoactlikethat.你那样做很愚蠢。,4.AccordingtoaUNreport,.accordingto根据,据说AccordingtoJohn,thebankclosesat4p.m.Eachmanwillbepaidaccordingtohisability.,dodo,渡渡鸟,Listening,Dodo鸟是一种不会飞的鸟，仅产于毛里求斯。拥有肥胖的身子和巨大的嘴。16世纪后期，欧洲殖民者来到了毛里求斯。不会飞又跑不快的Dodo鸟很快成为欧洲人来到岛上后主要的食物来源。人们开始大量的滥捕滥杀可怜的Dodo鸟，有时每天可以捕杀到几千只到上万只。由于过度的捕杀,很快岛上Dodo鸟变得越来越少。1681年，最后一只Dodo鸟被残忍的杀害后，从此，地球上再也见不到这种东西了，除非是在博物馆的图片中。,Ex3.Listentothetapeandchoosethesentencewhichgivesthemainideaofthestory.Saywhatiswrongwiththeotherthree.,Thisstoryisabouthowfoolishthedodowas.Thisstoryisabouthowthedodobecameextinct.ThisstoryisabouthowthedodoandManbecamefriends.Thisstoryisabouthowtheotherbirdsandanimalstriedtosavethedodo.,Listentothetapeandchoosethecorrectanswertocompleteeachsentence.,1.Thedodois_.A.fierceB.unkindC.friendlyD.foolish,2.HewantstobelievethatManistellingthetruthbecause_.A.ManisfriendlyB.hethinksManisfriendlyC.hethinksthebearsandmonkeyslieD.Manishisbestfriend,3.Hedidntrealizewhohadkilledmanyofhisfriendsuntil_.A.MantoldhimthetruthB.theotherbirdstoldhimC.hesawhowhisfriendwasbeingkilledbyManD.themonkeystoldhim,Listeningtext,Thestoryofthedodo,OnceuponatimeIlivedontheislandofMauritius.Iwascalled“dodo”.Thereweremanyofusandwewerefriendswithalltheotheranimalsontheisland.Onedayanewanimalcametomyisland.HisnamewasMan,andatfirstweseemedtobegoodfriends.Wewent,everywheretogetherandIsharedmyfoodwithhim.However,Ibegantowonderwhyseveralofmydodofriendshaddisappeared.Thenthenumberofourspeciesbegantodecreasequickly.IwassoworriedthatIaskedtheotheranimalsandtheyalltoldme,“YourfriendsarebeingkilledandeatenbyManwhileyouarehuntingforfood.”HadManeatenthem?Icouldntbelieveit!,WhenIaskedMandirectly,heseemedsurprised.“Ihaventseentheotherdodoseither.”hesaid.“Maybesomeoneelsekilledthem.”IbelievedhimbutwhenmoredodosdisappearedIsetatrap.IwentoffasifIwasgoingtohuntbutinsteadIhidintheforestandwaited.,SureenoughMancamealong.Heranafterthelastofmydodofriendsandkilledher.IfeltsoangrythatIrushedoutofmyhidingplaceandstraightatMansspear.Hekilledmetoo.Afterthattherewerenomoredodosintheworld.Somymottois:becarefulwhoyoutrust.,Speaking,Inpairschooseanotherendangeredanimalwhichyouknowabout.Analysewhythisanimalisendangered.,*Isitbeinghuntedandkilled?*Doesitnothaveenoughfood?*Isitbecauseitshabitatisbeingthreatened?,Intention,Purpose,Imgoingto,tohelp/save,Iintend/mean/planto,toprotectfrom,Iwill,sothat,Discusswhatyoumightdotosaveit.Thesephrasemaybeusefultoyou.,Idrathernot,Idliketo,Imreadyto,Ifeellike,inorderto,butdo,toteacherthemalesson.,topunishthosewhodoharmtowildlife.,Writing,WritealettertoWWFbasedonwhatyouhavediscussed,askingthemtohelpyousaveyourendangeredanimal.,WhiteRhino,Africa,1Destructionofthegrasslandswhereitlives2Huntingforhorn3toofriendlyandsoeasilycaught,Polarbear,NorthPole,Warmingoftheseasmeansitislosingitshabitatoficeflows,Leatherbackturtle,Pacificocean,1Pollutantsinthesea2Eggstakenbypredatorsand/orhumans3Manybabyturtlesdonotgrowtobeadults,Whalesanddolphins,Oceans,1overhunting2Gasandoilfieldsinitsfeedingfounds3Collisionswithships4Gettingcaughtinfishingnets,Elephants,AsiaandAfrica,1Lossofhabitat2Conflictwithpeople,Lynx,EuropeandAsia,1Lossofhabitat2Conflictwithpeople,DearWWF,Myfriend,ChenTing,andIhavebeendoingsomeresearchonendangeredanimals.WefoundthatthehabitatofpolarbearsisdisappearingbecausetheiceattheNorthPoleisgettingwarmer.Iworrythatwhenitdisappearsaltogether,therewillbenowhereforthepolarbearstolive.,Sampleletter,First,Isuggestweareverycarefulwiththeenergyweuse.Globalwarminghappensbecauseweareputtingtoomuchcarbondioxideintotheair.Oneofthewayswedothisisbydrivingeverywherebycar.SoIsuggestwethinkcarefullybeforeusingourcarsunnecessarily.,Second,insteadofusingourcarsweshouldthinkabouttravelingbybusorbytrain.Theseformsoftransportaremoreenvironmentallyfriendlyanddonotputsomuchcarbondioxideintotheatmosph