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作者:liaomeng 时间:2017-09-25 13:52:44 更新时间:2017-12-15
'Sea dragon' fossil is 'largest on record' “史上最大”鱼龙化石体积文字稿科学家们称,在德国一所博物馆里“再次现身”的一块水生爬行动物化石具有很高的研究价值,因为它是有史以来同类生物化石中体积最大的一块。这类被称作“鱼龙”的海洋生物曾生活在距今约两亿年前的恐龙时代。这块化石标本总长达三米多,20多年前曾在英格兰海岸边被人首次发现,但直至今日,还没有人对它进行过研究。请听报道。Ichthyosaursor‘seadragons’weremarinereptilesthatswamtheoceansduringthetimeofthedinosaurs.AfossilunearthedatDonifordBayduringthe1990sisgivingnewinsightsintothelifeanddeathofthemysteriouscreatures.ThisichthyosaurwasafemalethatwasPgnantatthetimeofdeath.It'soneofonlythreetobefoundwithanunbornbabyinside.Thefossilwassoldtoaprivatecollectorwhokeptitonhislivingroomwall.ItwaseventuallyacquiredbyaGermanmuseumwhereitsscientificvaluecametolight.ScientistsattheUniversityofManchesterwhoexaminedthespecimensayit'sthelargestofitskindatmorethanthreemetreslong.ThefirstskeletonofanichthyosaurwasdiscoveredinthecliffsnearLymeRegisbytheVictorianfossilhunterMaryAnning.Herdiscoveryshookupthescientificworldandprovidedevidencefornewideasaboutthehistoryoftheearth.Twocenturieson,there'sstillmoretolearnaboutthePhistoricseacreaturesthatdominatedtheoceansformillionsofyears.词汇表ichthyosaurs“鱼龙”的拉丁语说法,一种形似海豚、已经灭绝的海洋爬行动物marinereptiles海栖爬行动物unearthed出土,被发掘givingnewinsightsinto提供新的见解privatecollector私人收藏家cametolight为人所知specimen(化石)标本skeleton(动物)骨架shookup使…震惊、大吃一惊Phistoric史前的dominated主宰了测验请听报道并回答下列问题。1.Whenandwherewasthefossilunearthed?2.WhatdidMaryAnning’sdiscoveryofthefirstichthyosaurskeletonmeantoscience?3.Trueorfalse?Scientistssaythespecimenisthelargestofalldinosaurfossils.4.Whichwordinthetextmeans‘notyetbroughttobirth’?答案1.Whereandwhenwasthefossilunearthed?ThefossilwasunearthedatDonifordBayduringthe1990s.2.WhatdidMaryAnning’sdiscoveryofthefirstichthyosaurskeletonmeantoscience?Herdiscoveryshookupthescientificworldandprovidedevidencefornewideasaboutthehistoryoftheearth.3.Trueorfalse?Scientistssaythespecimenisthelargestofalldinosaurfossils.False.Scientistssaythespecimenisthelargestofitskind.4.Whichwordinthetextmeans‘notyetbroughttobirth’?Unborn.
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