雅思阅读经典模拟题.docx

雅思阅读经典模拟题.docx

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雅思阅读经典模拟题

雅思阅读经典模拟题

PartⅢReadingTasks

True／False／NotGivenExercises

Unit2

　　Whenwasthelasttimeyousawafrog?

Chancesare,ifyouliveinacity,youhavenotseenoneforsometime.Eveninwetareasonceteemingwithfrogsandtoads,itisbecominglessandlesseasytofindthoseslimy,hoppingandsometimespoisonousmembersoftheanimalkingdom.Allovertheworld,andeveninremotepartsofAustralia,frogsarelosingtheecologicalbattleforsurvival,andbiologistsareatalosstoexplaintheirdemise.Areamphibianssimplyoversensitivetochangesintheecosystem?

Coulditbethattheirrapiddeclineinnumbersissignalingsomecomingenvironmentaldisasterforusall?

　Thisfrighteningscenarioisinparttheconsequenceofadramaticincreaseoverthelastquartercenturyinthedevelopmentofoncenaturalareasofwetmarshland;homenotonlytofrogsbuttoallmannerofwildlife.However,asyet,therearenoobviousreasonswhycertainfrogspeciesaredisappearingfromrainforestsinAustraliathathavebarely

beentouchedbyhumanhand.Themysteryisunsettlingtosaytheleast,foritisknownthatamphibianspeciesareextremelysensitivetoenvironmentalvariationsintemperatureandmoisturelevels.ThedangeristhatplanetEarthmightnotonlyloseavitallinkintheecologicalfoodchain（frogskeeppopulationsofotherwisepestilentinsectsatmanageablelevels）,butwemightbeincreasingouroutputofairpollutantstolevelsthatmayhavealreadybecomeirreversible.Frogscouldbeinadvertentlywarningusofacatastrophe.

　Anexampleofaspeciesoffrogthat,atfarasisknown,hasbecomeextinct,istheplatypusfrog.Likethewell-knownAustralianmammalitwasnamedafter,itexhibitedsomeverystrangebehaviour;insteadofgivingbirthtotadpolesinthewater,itraiseditsyoungwithinitsstomach.Thebabyfrogswereactuallybornfromoutoftheirmother'smouth.Discoveredin1981,lessthantenyearslaterthefroghadcompletelyvanishedfromthecrystalclearwatersofBooloumbaCreeknearQueensland'sSunshineCoast.Unfortunately,thisfreakofnatureisnottheonlyfrogspeciestohavebeenlostinAustralia.Sincethe1970s,nolessthaneightothershavesufferedthesamefate.

　　Onetheorythatseemstofitthefactsconcernsthedepletionoftheozonelayer,awelldocumentedphenomenonwhichhasledtoasharpincreaseinultravioletradiationlevels.TheozonelayerismeanttoshieldtheEarthfromUVrays,butincreasedradiationmaybehavingagreatereffectuponfrogpopulationsthanpreviouslybelieved.Anothertheoryisthatworldwidetemperatureincreasesareupsettingthebreedingcyclesoffrogs.

TRUE／FALSE／NOTGIVEN

1.Frogsaredisappearingonlyfromcityareas.

2.Frogsandtoadsareusuallypoisonous.

3.Biologistsareunabletoexplainwhyfrogsaredying.

4.Thefrogs'naturalhabitatisbecomingmoreandmoredeveloped.

5.Attemptsarebeingmadetohaltthedevelopmentofwetmarshland.

6.Frogsareimportantintheecosystembecausetheycontrolpests.

7.Theplatypusfrogbecameextinctby1991.

8.Frogsusuallygivebirthtotheiryounginanunderwaternest.

9.EightfrogspecieshavebecomeextinctsofarinAustralia.

10.Thereisconvincingevidencethattheozonelayerisbeingdepleted.

11.Itisafactthatfrogs'breedingcyclesareupsetbyworldwideincreasesintemperature.

Practice3

　　Almosteveryonewithorwithoutacomputerisawareofthelatesttechnologicalrevolutiondestinedtochangeforeverthewayinwhichhumanscommunicate,namely,theInformationSuperhighway,bestexemplifiedbytheubiquitousInternet.Already,millionsofpeoplearoundtheworldarelinkedbycomputersimplybyhavingamodemandanaddressonthe`Net',inmuchthesamewaythatowningatelephonelinksustoalmostanyonewhopaysaphonebill.Infact,sincethecomputerconnectionsaremadeviathephoneline,theInternetcanbeenvisagedasanetworkofvisualtelephonelinks.ItremainstoseeninwhichdirectiontheInformationSuperhighwayisheaded,butmanybelieveitistheeducationalhopeofthefuture.

　　TheWorldWideWeb,anenormouscollectionofInternetaddressesorsites,allofwhichcanbeaccessedforinformation,hasbeenmainlyresponsiblefortheincreaseininterestintheInternetinthe1990s.BeforetheWorldWideWeb,the`Net'wascomparabletoanintegratedcollectionofcomputerizedtypewriters,buttheintroductionofthe`Web'in1990allowednotonlytextlinkstobemadebutalsographs,imagesandevenvideo.

　　AWebsiteconsistsofa`homepage',thefirstscreenofaparticularsiteonthecomputertowhichyouareconnected,fromwhereaccesscanbehadtoothersubjectrelated`pages'（orscreens）atthesiteandonthousandsofothercomputersallovertheworld.Thisisachievedbyaprocesscalled`hypertext'.Byclickingwithamousedeviceonvariouspartsofthescreen,apersonconnectedtothe`Net'cangotraveling,orsurfing'throughaofthescreen,apersonconnectedtothe`Net'cangotraveling,or`surfing'throughawebofpagestolocatewhateverinformationisrequired.

　　Anyonecansetupasite;promotingyourclub,yourinstitution,yourcompany'sproductsorsimplyyourself,iswhattheWebandtheInternetisallabout.Andwhatismore,informationontheInternetisnotownedorcontrolledbyanyoneorganization.Itis,perhaps,truetosaythatnooneandthereforeeveryoneownsthe`Net'.Becauseoftherelativefreedomofaccesstoinformation,theInternethasoftenbeencriticisedbythemediaasapotentiallyhazardoustoolinthehandsofyoungcomputerusers.Thisperceptionhasprovedtobelargelyfalsehowever,andthevastmajorityofusersbothyoungandoldgetconnectedwiththeInternetforthedualpurposesforwhichitwasintended-discoveryanddelight.

TRUE／FALSE／NOTGIVEN

1.EveryoneisawareoftheInformationSuperhighway.

2.UsingtheInternetcoststheownerofatelephoneextramoney.

3.Internetcomputerconnectionsaremadebyusingtelephonelines.

4.TheWorldWideWebisanetworkofcomputerisedtypewriters.

5.Accordingtotheauthor,theInformationSuperhighwaymaybethefuturehopeofeducation.

6.Theprocesscalled`hypertext'requirestheuseofamousedevice.

7.TheInternetwascreatedinthe1990s.

8.The`homepage'isthefirstscreenofa`Web'siteonthe`Net'.

9.ThemediahasoftencriticisedtheInternetbecauseitisdangerous.

10.Thelatesttechnologicalrevolutionwillchangethewayhumanscommunicate.

Practice4

　　TheAustralianpoliticalsceneisdominatedbytwomajorpartiesthathavequitedifferentpoliticalagendas.However,thepoliciesoftheAustralianLaborPartyandtheLiberalPartyhavebecomemuchmoredifficulttotellapartinrecentyears.Infact,itwouldbetruetosaythatbothpartiesconsistofconservative,moderateandradicalelements,andthereforethegeneralpublicisoftenperplexedaboutwhichpartytovotefor.Nonetheless,itisusualtofindthatanAustralianwillleantowardssupportingoneofthesetwopartiesandremainfaithfultothatpartyforlife.

　　TheLaborPartywasformedearlyinthetwentiethcenturytosafeguardtheinterestsofthecommonworkingmanandtogivethetradeunionspoliticalrepresentationinParliament.ThePartyhasalwayshadstrongconnectionswiththeunions,andsupportstheconceptofawelfaresocietyinwhichpeoplewhoarelessfortunatethanothersarefinancially,andotherwise,assistedintheirquestforamoreequitablesliceoftheeconomicpie.Theproblemisthatsuchsocialistpoliticalagendasareextremelyexpensivetoimplementandmaintain,especiallyinacountrythat,althoughcomparativelywealthy,isvastandwithasmallworkingandhencetaxpayingpopulationbase.Welfaresocietiestendtowardsbankruptcyunlessgovernmentspendingiskeptincheck.TheLiberalParty,ontheotherhand,arguesthatthebestwaytoensurea

fairdivisionofwealthinthecountryistoallowmorefreedomtocreateit.This,inturn,meansmoreopportunities,jobscreatedetc.,andthereforemorewealthavailabletoall.Justhowthepooraretoshareinthedistributionofthiswealth（beyondbeinggiven,atleastintheory,theopportunitytocreateit）is,however,lesswellunderstood.Practice,ofcourse,maymakenonsenseofeventhebesttheoreticalintentions,andoftenthelesspoliticallypowerfularebadlycateredforundergovernmentsimplementing'free-for-all'policies.

　　Itisnowonderthatgiventhetwomajorchoicesofferedthem,Australianvotersareincreasinglyturningtheirattentiontothesmallerpoliticalparties,whichclaimtoofferamorebalancedswagofpolicies,oftenbasedaroundonemajorcurrentissue.Thus,forinstance,atthelastelectiontherewastheNoAircraftNoiseParry,popularincityareas,andtheGreenParty,whichisalmostsolelyconcernedwithenvironmentalissues.

TRUE／FALSE／NOTGIVEN

1.Policiesissupportoftheconceptofawelfaresocietyarecostly.

2.Australiansusuallyvoteforthepartytheysupportedearlyinlife.

3.TheLaborPartywasformedbythetradeunions.

4.RadicalgroupsareonlyfoundwithintheLaborParty.

5.TheLiberalPartywasformedaftertheLaborParty.

6.Welfare-basedsocietiesinvariablybecomebankrupt.

7.Accordingtotheauthor,theoriesdonotalwaysworkinpractice.

8.SomeAustralianvotersareconfusedaboutwhotovotefor.

9.TheNo-Aircraft-NoisePartyisonlypopularinthecity.

10.Thesmallerpartiesareonlyconcernedabouttheenvironment.

Practice5

Para1.Theneedforasatisfactoryeducationismoreimportantthaneverbefore.Nowadays,withoutaqualificationfromareputableschooloruniversity,theoddsoflandingthatplumjobadvertisedinthepaperarecon