選擇8、英語教學(xué)課件系列、Unit5Meetingyourancestors、UsingLanguage、 theworkonearlypeopledeendosonthedatesgiventothebonesthatarefound.ifthedatesarewrong allthedataboutearlypeoplemayalsobewrong.somm ofindowwaressmekesurethattheirdatesareaccurate .Listeninganddiscussing，yogurtpots，orangeskin，wastepaper， used envelopes1listentopst1of theta andtrytonderstand thewastepaperbasket diagramontherightandfillinthelayers . imitisssradioactivitytomeasuretheamountof _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ATA _ _ _ _ _ _ _ _ _ _ _ rate.weknowlongthattakes sowecanmeasuretheram ount of _ _ _ _ _ _ _ _ _ _ _ _ _ 22222222222222222226523lookatthisarchaeologicaldrawingofasectioningbuildingsatifforthesandwowthewing lt.writeyouranswerbelowandcheckwithyourpar rtner.remembertogiveareasonforyouranswerinyourdiscussion . theldestbuidingisbbecauseithasnolayersundernearthit.thesecondolesetbuidingscbecusithasnolayerundernearthit.thatlayristheremain ecentbuilddingsbuidinga.iththesthesthewhollayayersunderneath.theyarethereemeiminisofbundingbandc .zh : howcostanellowdbout LISTENINGTEXT(P42 )、DATINGMETHODS、onuhepinghascometoaskthearchiologist、RichardLeakey、 howdatestheboneshinds.part1rl : therearetwomainways : thefirstusesslayersinthroundandthesecondustheredusthereadiocarbondata RL:Well， lookatthediagraminyourbook.thinkofyourwastepaperbasket.whnyoucameintowork youthreshwtheorangeskinintoit.thatslayer number1. later tit.thatslayer number2. zh : oh是andthenithrewsomepapinetoot.so thatslayer number3. rl :是，andfinitylysyomensetwomensetwomer zh : therearefourrl : good.nowwhichlayeristherstandthereforetheldest？ zh : therangeskin.rl : andwhichisthelastandathereforethemetrent？ zh : ofcourcourse-theuseddenvelpes.iseehowitworksnow.buthowdoesithelp？ RL:Well， layersofsoilarddistheferentimeslikethelayerinyourwastepaperbasket.eachmetimepeopleivesomewhere themyakealayerlayerinthesoil.ifts e，themeaealotoeflayers.eachlayerhasadifferentoloursandtexturewhichweusestofindhowoditis.zh : how splendid！ zh : nowwhataboutradiocarbonding？ rl : thisismorescientific.iutissthereheadioactivitytomeasuretheamountofcarboninlivings.theconnaddodydisappearsatafixedrate.ww sowecanmeasuretheamount，Part2，ofcarbonandworkouthowwouldboeis.zh : thatsveryclever.isitaccuratetoo？ rl : therearesomeproblemswithveryoldbones，soyouarealwysgiventwodates.zh : howoesthatwork？ RL:Well，thedateforabonemaybetween 9，900 years and 10，100 years old.zh : isee！ howoldaretheresfromtheusukoudiancaves？ rl :乙太網(wǎng)路250，000與400，000年版old.zh : pphawscolledisitthesitestogethersometime？ rl:就像你一樣，the feast :18，000 BC，北京人生活想象圖，北京人化石首次于1927年1929年12月2日發(fā)現(xiàn)，從完整的頭蓋骨到1937年發(fā)現(xiàn)的北京人頭蓋骨共計(jì)5個(gè)。 1941年12月太平洋戰(zhàn)爭爆發(fā)后，幾個(gè)美國人失蹤了。 1966年又發(fā)現(xiàn)了一具破碎的顱骨。 共發(fā)現(xiàn)了屬于40多個(gè)個(gè)體的北京人化石。 時(shí)間從現(xiàn)在大約70萬年到20萬年。北京人可以制造和使用工具可以使用自然火可以擺脫雜交的婚姻形態(tài)生活艱苦、壽命短、北京人的特征、北京人使用的石器、北京人石器制作法、18年前地點(diǎn)：北京周口店龍骨山山頂洞穴體型：與現(xiàn)代人大致相同，腦容量： 13001500毫升生產(chǎn)與生活：利用磨制和鉆孔技術(shù)開始制造石器、骨器，縫制獸皮服，原始宗教儀式生活在氏族公社，山頂洞人顱骨、 山頂洞人，drawthemmainideaofeachparagraph . scanning para1. lalalawrorriedaboutthepreparationsforthefeastandshehopedthefeastcouldeastgoodheonelastyear.para2. lalalandherfer ionsforthefeast .Para3.thedescriptionofDahu .Para4.howdidDahumaketools . thestextismainlyanimaginativestoryaboutaamilyfeastof _ _ _ _ _ _ _卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡653 wecanlearnthantthefamillygroupslive 卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡c.scrpethefishd.cutstones，c，c， 5.fromthetextwecaninferthatfamilygroups _ _ _ _ _卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡卡653 bothmenandwomenworkcooperaatively.for example， Lalasmotherandauntitswereparinthemethederanpigoverthefire.mendotasksalone .answerthefololingquestionsafterreadingthetext 33366 mendothemostdantorustasks.3.whenredoesthedangercoomefrom？ thedangeromesfromthemildanmals.1 redthepassagesandfindoutstheposiblewenendwomeninprimitivesocietiesandfillinthechartbelow .makie Huntinganimals，Protectingthegroupfromharm，Cuttingdowntrees，Lookingafterchildren，Preparingskinstomakeclothes， cuttingupmeatandfishforcooking collect nuts，fruitandwater，inpairswowrkoutwhichjobsdahudidandwhichlladid .catchfish，repairstone， makescrapersandaxe-heads，collectiveruitandnauts prepare food， 3 windolecollosselyatthetasksbeforeanddiscswhichadjectivesbestdescriptbeeachofthem.giveyourreasons . carningoughpprotectivedingintentiversafeusefulco-operviceativepatividinvalexhaustitingskilful，mens任務(wù)：部件dantererous (hunting ) som individual (toolmakinggandreing ) andsomeco-operative (hunting )、skilful(toolmaking )、protective(ofgroup )、 womens tasks : co-operative (cooking ) caring (providing food )、patient(collectfood )、skilful(cooking )、individual (collectnutsanddfram ) 合作任務(wù)： individual tasks : mostdangeroustasks :menhuntinganimals； womendoingcookinandpreparingfoodmenmakinggorrepiringtools； womencollectfruitandnutsmenhuntinganimals， answerkeyforexercise4wherethedangercomesfrom : wildinallsmalslivingnetarteeveaveshavesharingoftasks : mendowmendenthechiring frefireandcolingnuts eyrdaybutkillinganimalswoldon