B2U4-Animal-Extinction公开课课件.ppt

Earthsong wordsandexpressions extinction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 diedout why howandwhen Q1 Whatarethey Q2 Whathappenedtothem Theyare dinosaurs AnimalExtinction 1Whendidthedinosaurslive Readthetext andanswerquestions Step2 Findingdetails 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 Step3Consolidations before cameintobeing secure usedto inspected surprised diedout unexpected incident too forsure disappeared Accordingto TheStoryoftheDodo WhokilledDodo Diddodosdieoutbyaccident Wastheresomeonewhokilleddodos IliveontheIslandofMauritius Wewent andI foodwithMan However Ibegantowonderwhyseveralofmydodofriends Ibelievedhimbutwhenmoredodos Isetatrap Mymotto Listenandfillintheblanks Onceuponatime everywheretogether shared haddisappeared disappeared Becarefulwhoyoutrust Tibetanantelope 藏羚羊 OfficialMascots 吉祥物 oftheBeijing2008OlympicGames Whatdoyouthinkofthosepoachers 偷猎者 action Inthe1980 sand1990 s some20 000TibetanAntelopeswerekilledbysmugglers 走私者 eachyeartogettheanimals valuablehairforshawls 披巾 Ashawlofthatkindcanbesoldforasmuchas30 000USdollars pandawhiteflagdolphin SouthChinatigermiludeer Whatcanyoudotohelpthem Whatcanwedotohelptheanimals Slogan 口号 Nobuying nokilling Homework Usethewordsandexpressionstofillintheblanksonthepaper Fillintheblanks Manyyearsago myfamilyu t liveintheforestofSouthernChina Wehadabigfamilyandwewerethekingoftheforestandourfutureseemeds atthattime However sincethegunsc peoplekilledusforfurandbones Asaresult ourfamilyalmostd Nowonlyafewofusliveinthezoosandthecircuses 马戏团 A thescientists noneofourfam