12真题Word下载.docx

12真题Word下载.docx

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　　AsKarenSeto,theledauthorofthepaper,pointsout,thewaveofurbanizationisn’tjustaboutthemigrationofpeopleintourbanenvironments,butabouttheenvironmentsthemselvesbecomingbiggertoaccommodateallthosepeople.Therapidexpansionofurbanareaswillhaveahugeimpactonbiodiversityhotspotsandoncarbonemissionsinthoseurbanareas.

　　Humansaretheultimateinvasivespecies—whenthemoveintonewterritory,theoftendisplacethewildlifethatwasalreadylivingthere.Andaslandisclearedforthosenewcities—especiallyinthedensetropicalforests—carbonwillbereleasedintotheatmosphereaswell.It’struethataspeopleindevelopingnationsmovefromthecountrysidetothecity,theshiftmayreducethepressureonland,whichcouldinturnbegoodfortheenvironment.Thisisespeciallysoindesperatelypoorcountries,whereresidentsinthecountrysideslashandburnforestseachgrowingseasontoclearspaceforfarming.Buttherealdifferenceisthatindevelopingnations,themovefromruralareastocitiesoftenleadstoanaccompanyingincreaseinincome—andthatincreaseleadstoanincreaseintheconsumptionoffoodandenergy,whichinturncausesariseincarbonemissions.Gettingenoughtoeatandenjoyingthesafetyandcomfortoflivingfullyonthegridiscertainlyagoodthing—butitdoescarryanenvironmentalprice.

　　Theurbanizationwavecan’tbestopped—anditshouldn’tbe.ButSeto’spaperdoesunderscoretheimportanceofmanagingthattransition.Ifwedoittherightway,wecanreduceurbanization’simpactontheenvironment.“There’sanenormousopportunityhere,andalotofpressureandresponsibilitytothinkabouthowweurbanize,”saysSeto.“Onethingthat’sclearisthatwecan’tbuildcitiesthewaywehaveoverthelastcoupleofhundredyears.Thescaleofthistransitionwon’tallowthat.”We’reheadedtowardsanurbanplanetnomatterwhat,butwhetheritbecomesheavenorhellisuptous.

56.Whatissuedoestheauthortrytodrawpeople’sattentionto?

A.Theshrinkingbiodiversityworldwide.

B.Therapidincreaseofworldpopulation.

C.Theongoingglobaleconomicrecession.

D.Theimpactofacceleratingurbanization.

57.Inwhatsensearehumanstheultimateinvasivespecies?

A.Theyaremuchgreedierthanotherspecies.

B.Theyareauniquespeciesborntoconquer.

C.Theyforceotherspeciesoutoftheirterritories.

D.Theyhaveanurgetoexpandtheirlivingspace.

58.Inwhatwayisurbanizationinpoorcountriesgoodfortheenvironment?

A.Morelandwillbepreservedforwildlife.

B.Thepressureonfarmlandwillbelessened.

C.Carbonemissionswillbeconsiderablyreduced.

D.Naturalresourceswillbeusedmoreeffectively.

59.Whatdoestheauthorsayaboutlivingcomfortablyinthecity?

A.Itincursahighenvironmentalprice.

B.Itbringspovertyandinsecuritytoanend.

C.Itcausesabigchangeinpeople’slifestyle.

D.Itnarrowsthegapbetweencityandcountry.

60.WhatcanbedonetominimizethenegativeimpactofurbanizationaccordingtoSeto?

A.Slowingdownthespeedoftransition.

B.Innovativeuseofadvancedtechnology.

C.Appropriatemanagementoftheprocess.

D.Enhancingpeople’ssenseofresponsibility.

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　　WhenHarvardstudentMarkZuckerberglaunchedinFeb.2004,evenhecouldnotimaginetheforcesitwouldletloose.Hisintentwastoconnectcollegestudents.Facebook,whichiswhatthiswebsiterapidlyevolvedinto,endedupconnectingtheworld.

　　Tothechildrenofthisconnectedera,theworldisonegiantsocialnetwork.Theyarenotbound—aswerepreviousgenerationsofhumans—bywhattheyweretaught.Theyareonlylimitedbytheircuriosityandambition.Duringmychildhood,allknowledgewaslocal.Youlearnedeverythingyouknewfromyourparents,teachers,preachers,andfriends.

　　Withthehigh-qualityandtimelyinformationattheirfingertips,today’schildrenarerisingnormallytamemiddleclassisspeakingupagainstsocialills.SiliconValleyexecutivesarebeingshamedintoaddingwomentotheirboards.Politicalleadersaremarshallingtheenergyofmillionsforelectionsandpoliticalcauses.AllofthisisbeingdonewithsocialmediatechnologiesthatFacebookandi