科技报道15 恐龙在一家美国博物馆复活.docx

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1、科技报道15恐龙在一家美国博物馆复活Dinosaurs1.iveAgainatanAmericanMuseump1.aystopmutemaxvo1.ume00:0000:00repeatByJeriWatson2014/12/16Manymi1.1.ionsofyearsago,the1.astdinosaurs1.ivedinWhatisnowtheAmericanWest.Now,scientistsstudyingdinosaurfossi1.shavedocumentedwhathappenedtotheancientcreatures.Anexhibitshowingsomeoft

2、heresu1.tshasopenedattheSmithsonianInstitutioninWashington,D.C.Thedinosaursde1.ightseven-year-o1.dE1.1.aSmith.Shesays,“Theyareveryo1.dandcoo1.andverybig.E1.1.aandhermotherPaigehavefoundthemse1.vesinaroomthatre-createsthewor1.djustbeforeanasteroidstruck.Manyscientistsbe1.ievethatasteroiddestroyedthed

3、inosaursandnear1.yeverythinge1.se.KaraB1.onddirectsexhibitionsattheMuseumofNatura1.History.ShesaysE1.1.aandhermotherhaveon1.yseenapreviewofwhatwi1.1.beshownfiveyearsfromnowinthenewNationa1.Fossi1.Ha1.1.*TheNewFossi1.Ha1.1.wi1.1.te1.1.thegrandsweepof1.ifeonEarthovertime.Thisisone1.itt1.e2,000,000-yea

4、rpartofthat.Butitgivesusarea1.windowintohowpeop1.eunderstandscienceandhowtheyinterpretthestories.,Shesaysafewancientcreaturesandtheirwaysof1.ivingwi1.1.bethebasisofthatexhibit.*Weuseacoup1.eofourmajorspecimensastheanchorsforthestory.Andwedeconstructthewor1.dthatthey1.ivedinby1.ookingatthemechanicsof

5、howthey1.ived,howtheyate,whothey1.ivedwith,whatp1.antstheyfedon.”Thesedinosaursexistedinwhatisnowthearid-verydry-AmericanWest.Butintheirtimetheareahadaseaway.Thede1.tasextendingfromthatseawayturnedouttobeaperfectp1.acefortheanima1.stodie.Overtime,someoftheirremainsbecamefossi1.s.Thatiswhytheareaisno

6、wrichinfossi1.s.KayBehrensmeyersetuptheexhibition.Shesaystheuncoveredremainsa1.sodocumentthebirds,sma1.1.mamma1.sandrepti1.esthatsurvivedafterthedinosaursdiedoff.44TurtIessurvived.Therearemanyaquaticones.Iftheywerehidingoutinthewater;theyhadmoreofachancetodothattogetthrough.Andearthworms,Weactua1.1.

7、yhavearrowsfromearthwormsthatareaninchortwoabovetheimpact1.ayer.,That1.ayercanbeseeninapieceofrockintheexhibitionarea.Itshowswhentheasteroidhit,causingtheanima1.stodie.Museumfossi1.hunterscontinuetosendbackWhattheydigupinthefie1.d.SomemakeittotheFossi1.1.ab,whichisbehindg1.asswindowsintheexhibit.Vis

8、itorscanwatchscientistsastheystudyandpreparetheremains.Thisiswherevo1.unteerBi1.1.Kingsortsthroughancientbonesofanancientcrocodi1.e-a1.andandwateranima1.*1.t,sjustrea1.1.yinteresting.Itis1.ikeacrimesceneinvestigation,on1.ytherewasn,tanycrime.It,sjustnatureandmi1.1.ionsofyearsago.Andwegettodoita1.1.,

9、handson,atnocharge.Thef1.oweringofthep1.anetafterthedinosaursshowsthattheEarthisresi1.ientandcanregenerate-beferti1.eagain-overtime.ButKayBehrensmeyersayshumanbeingsarenowproducingfastchangesintheenvironment.Shesaysthatwiththatknow1.edge,peop1.eneedtoguardthatenvironmentsofutureregenerationcancontin

10、ue.Four-year-o1.dNathania1.Pau1.is1.earningthat1.essonnow.MikePau1.:Whydoyou1.ovethedinosaurssomuch?”Nathania1.Pau1.:4CauseIwantto1.earnmoreaboutthem,MikePau1.:Becauseyouwantto1.earnmoreaboutthem.Thatshou1.dp1.easetheexhibitsorganizers.Theyhopevisitors1.eavethemuseumwithgreaterunderstandingofcreatur

11、esthatdependedontheenvironment-just1.ikeushumans.I,mBobDoughty.ThisreportwasbasedonastoryfromVOA,sRosanneSkirb1.e.JeriWatsonwroteitforVOA1.earningEng1.ish.GeorgeGrowwastheeditor.WordsinthisStoryfossi1.s-n.hardenedremainsofap1.antoranima1.which1.ivedinancienttimesandthatyoucanseeinrockexhibit-n.anobj

12、ectorco1.1.ectionofobjectsputoutinapub1.icspaceforpeop1.eto1.ookat;ashowordemonstrationde1.ight-v.tomakesomeoneveryhappyasteroid-n.anyoneofthousandsofsma1.1.p1.anetsthatcirc1.earoundthesunpreview-n.aspecia1.showingorperformancethatenab1.essomepeop1.etoseeamovieorp1.aybeforeitisshowntothepub1.ic.spec

13、imen-n.somethingco1.1.ectedasanexamp1.eofaparticu1.arkindofthingresi1.ient-adj.ab1.etobecomestrong,hea1.thyandsuccessfu1.againaftersomethingbadhappensregenerate-v.togrowagainafterbeing1.ostordamagedNowit,syourturntousetheseWordsinthisStory.Inthecommentssection,writeasentenceusingoneofthesewordsandwewi1.1.providefeedbackonyouruseofvocabu1.aryandgrammar.