高中英语Unit5MeetingyourancestorsListeningexercise选修说课

ListeningUnit5Meetingyourancestors注:另附word文档。点击此处链接UsingLanguageListentoPart1.DATINGMETHODSZhouHeping(ZH)hascometoaskthearchaeologist,RichardLeakey(RL),howhedatestheboneshefinds.ZH:Howcanyoutellhowold______arewhenyoufindthem?RL:Thereare____mainways:thefirstusesthelayersinthegroundandthe______usesradiocarbondating.ZH:Isee.Howdoesthelayermethod____?RL:Well,

lookatthediagraminyourbook.Thinkofawastepaper______.Whenyoucameintowork,youateanorangeandthrewtheorange_____intoit.Listenagainandfillintheblanks.bonestwosecondworkbasketskinThat’slayernumber1.Latersomebody______someyogurtpotsintoit.That’slayernumber2.ZH:Ohyes,andthenIthrewsomepaperintoit.Sothat’slayernumber3.RL:Yes,and______someonethrewawaysomeusedenvelopes.Sohow______layersarethereinthiswastepaperbasket?ZH:Thereare______.threwfinallymanyfourRL:Whichlayeristhe____andthereforethe_______?

ZH:Theorangeskin.RL:Andwhichisthe_____andthereforethemost_______?

ZH:Ofcourse–theused_________.Iseehowitworksnow.Buthowdoesithelp?RL:Well,layersofsoilare__________atdifferenttimeslikethelayersinyourwastepaperbasket._____timepeoplefirstoldestlastrecentenvelopesproducedEachlivesomewhere,theymakealayerinthesoil.Iftheylivetherefora_____time,theymakealotoflayers.Eachlayerhasadifferent_______andtexturewhichweusetofindout____olditis.ZH:Howsplendid!longcolourhowListentoPart2.ZH:Nowwhataboutradiocarbon______?RL:Thisismore________.Itusesradioactivitytomeasuretheamountofcarboninlivingthings.Thecarboninadeadbody___________atafixedrate.Weknowhowlongthattakes,sowecan_______theamountofcarbonandworkouthowoldaboneis.ZH:That'sveryclever.Isit________too?RL:TherearesomeproblemswithveryListenagainandfillintheblanks.datingscientificdisappearsmeasureaccurateoldbones,soyouarealwaysgiven____dates.ZH:Howdoesthatwork?RL:Well,thedateforabonemaybebetween_____yearsand______yearsold.ZH:Isee!

HowoldarethebonesintheZhoukoudian______?RL:Theyarebetween________and________yearsold.ZH:Perhapswecouldvisitthe_____togethersometime?RL:Ofcourse.Wheneveryoulike!two9,90010,100caves250,000site400,000Workbook-ListeningListentothetext.AmandaPeters(AP)wantstofindoutabouthowtopreservetheterracottawarriorsfromherChinesefriend,ZhouLei(ZL),anarchaeologist.MORENEWSABOUTTHETERRACOTTAWARRIORSAP:Wheredidyougoforyour________,ZhouLei?ZL:Iwenttovisittheterracottawarriorsandfoundoutmoreabouttheresearchto_________thestatues.AP:You’resolucky!I'dlovetogoandseethemverymuch.Makingfiguresthatare____metrestallisamazing!Theymustbesuchan__________sight.Itmakesyourealizehow_________EmperorQinShihuangwas.Listenagainandfillintheblanks.holidaypreserve1.96impressivepowerfulZL:Yes,indeed.Andeachofthemhasanindividual_____sothatarchaeologiststhinktheymusthavebeena_____ofQinShihuang’srealarmy.But_____thousandstatuesarealotofclayfiguresto_______andtherehavebeenproblems.AP:Ohdear!Whatproblems?ZL:Well,thefirstproblemishowtokeeptheir_______.Chinesearchaeologists_____discoveredthatthestatueswerefacecopyeightprotectcolourshavepaintedbeforetheywere______.Buttemperaturechangedand_______soonfadedthecoloursafterthestatueswere__________.AP:_____didthathappen?ZL:First,someofthembecamealittlebit_______whentheydriedoutafterbeingexcavatedandthatmadetheircolourdisappear_______.Second,thedampinthetombalso_______thecoloursbadly.Butnow_______thescientistshaveburiedsunlightuncoveredWhysmallerquicklyaffectedluckilydiscoveredanew________protection,whichwillkeepthecolours________brightly.AP:That’swonderful_______.ZL:Yes.It’saverythinlayerofchemicaljellywhichwillpreservethe_____coloursofthesoldiersaswellasprotectthem_______thedamp.AP:That’sgreat.Sotheproblem’s_______.ButI'mafraidthatthosestatuesthatlosttheircolourcan’tgetit______?chemicalnewsshiningvividfromsolvedbackZL:Sadly,no.Butthisbreakthroughhashelpeddealwith________problem.AP:What'sthat?ZL:Well,youknowthattheterracottawarriorswerediscoveredin_____.Sincethenthestatueshavesufferedmorethan______differentkindsofmouldallcausedbydamp.AP:Thatsoundsreally_______.Ididn’tknowclaystatuescouldsufferfrommould!Didithappen_______theywereexcavatedorafter?another1974fortyseriousbeforeZL:Aftertheywereexcavated,damp_______theexcavationarea.Themouldsdevelopedquicklyandneeddifferentkindsof_________.AP:Oh,howterrible!Canwedosomethingto_____thewarriorsandmakethemsafe?ZL:Well,thisjellywillhelpprotectthem_______somemoulds.AP:Oh!Isthereanythingelsethat________peoplecandotohelp?...(fadeout)enteredtreatmentcleanagainstordinaryListentothetext.Workbook-ListeningTaskWangWei(WW),aChinesestudent,isinterviewingProfessorFlindersPetrie(FP)abouthisworkinEgypt.INTERVIEWING“THEFATHEROFARCHAEOLOGY”WW:Hello,ProfessorPetrie.Couldyoupleasetellme_____youwanttodig_____archaeologicalsitesinEgyptinsteadoflookingfornew______ofEgyptianpharaohs?FP:Isupposeitwasan________really.WhenIwentthere______peoplewerelookingfornewtombsofthepharaohs.Listenagainandfillintheblanks.poortombswhyaccidentmostI_______toinvestigatethelifeofpoorerpeopleas________elseseemedinterestedinthem!WW:What____ofthingsdidyoufindout?FP:WhatIfoundwasthatpoorerpeoplebuilttheir_______withmudbricks.Theyusedpotteryfortheir______andstoringthings.Ialsofoundthatpoorpeopleaswellasrichpeople_______inalifeafterdeath.decidednobodysortshousescookingbelievedTheyburiedtheirdead_____membersinthesandwithpotsfulloffoodreadytotakeonthe________totheafterlife.WW:Theyalso_______topreservethebodiesverywell.Why'sthat?FP:Becausetheybelievedthe______ofone'sbodywentonthejourneytotheafterlife.Soitwas__________tolookafterthebodycarefullyafteronewas______.familyjourneywantedspiritimportantdeadWW:Didyoufindout________aboutthisjourney?FP:N