老托福浏览试题及答案：PASSAGE16.docx

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1、老托福浏览试题及答案：PASSAGE16老托福浏览试题及答案：PASSAGE16为了帮助大家备考托福浏览，提高成绩，下面我给大家带来老托福浏览真题及答案:passage16，希望大家喜欢!老托福浏览试题及答案：PASSAGE16Thefirstflyingvertebratesweretruereptilesinwhichoneofthefingersofthefrontlimbsbecameveryelongated,providingsupportforaflapofstretchedskinthatservedasawing.Thesewerethepterosaurs,literall

2、ythewingedlizards.TheearliestpterosaursaroseneartheendoftheTriassicperiodoftheMesozoicEra,some70millionyearsbeforethefirstknownfossilsoftruebirdsoccur,andtheypresumablydominatedtheskiesuntiltheywereeventuallydisplacedbybirds.Likethedinosaurs,somethepterosaursbecamegigantic;thelargestfossildiscovered

3、isofanindividualthathadawingspanof50feetormore,largerthanmanyairplanes.Theseflyingreptileshadlarge,tooth-filledjaws,buttheirbodiesweresmallandprobablywithoutthenecessarypowerfulmusclesforsustainedwingmovement.Theymusthavebeenexpertgliders,notskillfulfliers,relyingonwindpowerfortheirlocomotion.Birds,

4、despitesharingcommonreptilianancestorswithpterosaurs,evolvedquiteseparatelyandhavebeenmuchmoresuccessfulintheirdominanceoftheair.Theyareanexampleofacommonthemeinevolution,themoreorlessparalleldevelopmentofdifferenttypesofbodystructureandfunctionforthesamereasoninthiscase,forflight.Althoughthefossilr

5、ecord,asalways,isnotcompleteenoughtodeterminedefinitivelytheevolutionarylineageofthebirdsorinasmuchdetailasonewouldlike,itisbetterinthiscasethanformanyotheranimalgroups.ThatisbecauseoftheunusualpreservationinalimestonequarryinsouthernGermanyofArchaeopteryx,afossilthatmanyhavecalledthelinkbetweendino

6、saursandbirds.Indeed,haditnotbeenforthesuperbpreservationofthesefossils,theymightwellhavebeenclassifiedasdinosaurs.Theyhavetheskullandteethofareptileaswellasabonytail,butintheline-grainedlimestoneinwhichthesefossilsoccurtherearedelicateimpressionsoffeathersandfinedetailsofbonestructurethatmakeitclea

7、rthatArchaeopteryxwasabird.Allbirdslivingtoday,fromthegreatcondorsoftheAndestothetiniestwrens,tracetheiroriginbacktotheMesozoicdinosaurs.1.Whatdoesthepassagemainlydiscuss?(A)Characteristicsofpterosaurwings(B)ThediscoveryoffossilremainsofArchaeopteryx(C)Reasonsfortheextinctionofearlyflyingvertebrates

8、(D)Thedevelopmentofflightinreptilesandbirds2.Whichofthefollowingistrueofearlyreptilewings?(A)Theyevolvedfromstronglimbmuscles.(B)Theyconsistedofanextensionofskin.(C)Theyconnectedthefrontandbacklimbs.(D)Theyrequiredfingersofequallength.3.Thewordliterallyinline3isclosestinmeaningto(A)creating(B)meanin

9、g(C)relatedto(D)simplified4.Itcanbeinferredfromthepassagethatbirdswereprobablydominantintheskies(A)intheearlyTriassicperiod(B)beforetheappearanceofpterosaurs(C)afterthedeclineofpterosaurs(D)beforedinosaurscouldbefoundonland.5.Theauthormentionsairplanesinline8inorderto(A)illustratethesizeofwingspansi

10、nsomepterosaurs(B)comparetheenergyneedsofdinosaurswiththoseofmodernmachines(C)demonstratethedifferencesbetweenmechanizedflightandanimalflight(D)establishthepracticalapplicationsofthestudyoffossils6.ThewordTheyinline10refersto(A)powerfulmuscles(B)bodies(C)jaws(D)flyingreptiles7.Accordingtothepassage,

11、pterosaurswereprobablynotskillfulfliers(lines10-11)because(A)oftheirlimitedwingspan(B)oftheirdisproportionatelylargebodies(C)theylackedmusclesneededforextendedflight(D)climateconditionsofthetimeprovidedinsufficientwindpower8.Inparagraph2,theauthordiscussesthedevelopmentofflightinbirdsasresultingfrom

12、(A)asimilarityinbodystructuretopterosaurs(B)anevolutionfrompterosaurs(C)thedominanceofbirdsandpterosaursoverlandanimals(D)aseparatebutparalleldevelopmentprocesstothatofpterosaurs9.Thewordclassifiedinline21isclosestinmeaningto(A)perfected(B)replaced(C)categorized(D)protected10.Whichofthefollowinghelp

13、edresearchersdeterminethatArchaeopteryxwasnotadinosaur?(A)Itstail(B)Itsteeth(C)Theshapeofitsskull(D)Detailsofitsbonestructure11.WhatisthesignificanceofthediscoverythatwasmadeinsouthernGermany?(A)Itisthoughttodemonstratethatbirdsevolvedfromdinosaurs.(B)ItisproofthattheclimateandsoilsofEuropehavechang

14、edovertime.(C)Itsuggeststhatdinosaursweredominantinareasrichinlimestone.(D)ItsupportsthetheorythatArchaeopteryxwasapowerfuldinosaur.正确答案：DBBCADCDCDA托福浏览的实用技巧整理首先，无论什么技巧都必需要有基本的单词量做基础。没人喜欢背单词，但是只要有足够的单词量才能应对托福浏览中的各种层出不穷的问题。用的是谁的单词书其实没有多大分别，你只要认认真真的把一本单词书背个70%，那也就差不多了，托福浏览的主要考察对象不是单词，只是透过单词来表达一种意思，只要你

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