B2U4 Animal Extinction公开课课件

wordsandexpressionsextinction灭绝，灭亡tensofmillionsof数千万secure安全的comeintobeing产生，形成dinosaur恐龙inspect检查，视察incident事件，事变accordingto根据，依据setatrap设陷阱，设圈套Lookatthesepicturesandanswerquestions:They__________________alongtimeago.disappeared/diedoutwhy,howandwhenQ1:Whatarethey?Q2:Whathappenedtothem?Theyare__________.dinosaursAnimalExtinction1Whendidthedinosaurslive?Readthetext,andanswerquestions.Tensofmillionsofyearsago,longbeforehumanscameintobeing.Theydiedoutsuddenlyabout65millionyearsago.2Whendidthedinosaursdisappear?3.Whatarethespecialcharactersofthenewspeciesofdinosaurs?Howdidthescientistsknowthat?Theyarebird-likedinosaurs.Theycannotonlyrunliketheothersbutalsoclimbtrees.Thescientistslearnedthisfromthewaytheboneswerejoinedtogether.Whydinosaursdiedoutsuddenly?1.Whatarethescientists’opinions?2.Whatisyourideaontheextinctionofdinosaurs?Dinosaurslivedontheearth____human_________andtheirfutureseemed______atthattime.Thereweremanydifferentkindsofdinosaursandanumberofthem_____liveinChina.Notlongago,scientists_______thebonesofararenewspeciesinLiaoning,andtheywere_______tofindthatthespeciescanbothrunandclimbtrees.Dinosaurs______suddenlyabout65millionsyearsago._________somescientists,itcameafteran______________,whileothersthinktheearthgot____hotforthemtoliveonanymore,butnobodyknows_________whyandhowthey_________.beforecameintobeingsecureusedtoinspectedsurpriseddiedoutunexpectedincidenttooforsuredisappearedAccordingtoTheStoryoftheDodoWhokilledDodo?•______________,IliveontheIslandofMauritius.•Wewent________________andI______foodwithMan.•However,Ibegantowonderwhyseveralofmydodofriends__________________.•Ibelievedhimbutwhenmoredodos________Isetatrap.•Mymotto:____________________.Listenandfillintheblanks:OnceuponatimeeverywheretogethersharedhaddisappeareddisappearedBecarefulwhoyoutrustTibetanantelope藏羚羊OfficialMascots（吉祥物）oftheBeijing2008OlympicGamesWhatdoyouthinkofthosepoachers’（偷猎者）action?Inthe1980'sand1990's,some20,000TibetanAntelopeswerekilledbysmugglers（走私者）eachyeartogettheanimals‘valuablehairforshawls（披巾）.Ashawlofthatkindcanbesoldforasmuchas30,000USdollars.pandawhiteflagdolphinSouthChinatigermiludeerWhatcanyoudotohelpthem?Whatcanwedotohelptheanimals?Slogan(口号):Nobuying,nokilling!Homework:Usethewordsandexpressionstofillintheblanksonthepaper.