日托福阅读真题智课网整理第一篇:远古鱼是怎么进化成陆地动物的2012.9.2ML海洋生物的进化2.还有一篇讲的是远古海里生物、鱼怎么上岸的。说是最开始的鱼都在海里,后来好多地儿只要是aquatic的地儿都有鱼,特别是一种鱼record最多,有图。后来又说鱼不光有gill还有lung辅助呼吸,这样在干旱的时候他们能从要没水的地儿到水很多的地儿(呃,好像是这样,有题)然后干旱啊,水都少了,河边上都是死鱼,inaddition水生植物也都出来了,螃蟹也上岸了(有题)后来又说到牙齿,food什么的(有题,我选的是carnivo),又说虽然上岸了,还是不离水太远(好像是,有题,是个选项)。最后说鱼就通过骨骼生长就岸了(考最后一句,扩折号举例)不全,有几段忘了,呵呵呵词汇:aquatic水生的record记录gill鳃lung肺respiration呼吸inaddition另外crab螃蟹carnivore食肉动物背景复原:Evolutionoffish:FishfirstappearedduringtheCambrianexplosion,around530millionyearsago(Ma).Earlyfishfromthefossilrecordarerepresentedbyagroupofsmall,jawless,armouredfishknownasostracoderms.Jawlessfishlineagesaremostlyextinct.Anextantclade,thelampreysmayapproximateancientpre-jawedfish.ThefirstjawsarefoundinPlacodermfossils.Thediversityofjawedvertebratesmayindicatetheevolutionaryadvantageofajawedmouth.Itisuncleariftheadvantageofahingedjawisgreaterbitingforce,improvedrespiration,oracombinationoffactors.Thefirstanimalstoventureontodrylandwerearthropods.Somefishhadlungsand(10meters)long.Othertypesofbone-platedfishthatlackedjawsdevelopedarangeofbizarreforms.Fossilspecimensincludespecieswithhorseshoe-shapedheadsandothersthatlookedlikeroundedshields.FromWatertoLandOneimportantideainevolutionisthatcreaturesfromtheoceansslowlyevolvedtoliveandwalkonland.Fishhavedifferentmusclesandbonestructurethanlandanimals,sotheevolutionoffishwouldhaverequiredthechangeofmanydifferentkindsofbodyparts.Onewayscientistsexaminetheseevolutionarychangesisbylookingatfossils,likethedinosaursyouseeinmuseums.Fossilsareanancientrecordofcreaturesthatlivedonearthhundredsofthousandsofyearsago.Butmostfossilsareonlythehardenedskeletonsofcreatures.Becausemusclesandothersofterpartsofanimalsdonotusuallybecomefossils,scientistsrunintoproblemswhentryingtolearnaboutmuscleevolution.Insteadoflookingatfossils,theyhavetousecreativewaystofigureoutmuscleevolution.KnightiaThisisalittlefishfromtheEocenethatisrepresentedbyliterallythousandsofspecimens,andiswhyitisoneofthemostcommonfossilsofferedtocollectors.Knightiaisagoodexampleofhowseeminglysmallandunimportantfishcanmakeupaveryimportantpartofanecosystemandprovidemuchofthebiomassthatotheranimalsfeedupon.第二篇:欧洲1400-1500年间经济蓬勃发展的原因版本一:就说城市人口多了,需要买更多东西,于是人们的income增加。然后政府也在主动促进某些产业发展。然后因为有migrant,很多资金和商品开始流动。很多只在本地销售的商品在别处出现了,商品销售量提高运输的成本也降低了因为运输货物比之前更安全。最后因为技术进步,产品成本降低了,比如挖矿的时候可以利用本来没用的矿版本二:欧洲industrial贸易什么的。移民人口增多,需求增大,各种促进。然后技术革新,cost降低,transportation也更新。TheindustrialrevolutioninEurope-somethingonhowthe“determinants”oftheindustrialrevinEurope.Alsomentionsomethingabouttheprinting.背景复原:TheCommercialRevolutionwasaperiodofEuropeaneconomicexpansion,colonialism,andmercantilismwhichlastedfromapproximatelythe13thcenturyuntiltheearly18thcentury.Itwassucceededinthemid-18thcenturybytheIndustrialRevolution.BeginningwiththeCrusades,Europeansrediscoveredspices,silks,andothercommoditiesrareinEurope.Thisdevelopmentcreatedanewdesirefortrade,andtradeexpandedinthesecondhalfofthemiddleAges.Europeannations,throughvoyagesofdiscovery,werelookingfornewtraderoutesinthe15thand16thcenturies,whichallowedtheEuropeanpowerstobuildvast,newinternationaltrade(1450-17thcentury),theEuropeaneconomiccentershiftedfromtheIslamicMediterraneantoWesternEurope(Portugal,Spain,France,theNetherlands,andtosomeextentEngland).Thisshiftwascausedbythesuccessfulcircumnavi