英语四级阅读试试题库含答案解析文档格式.docx
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英语四级阅读试试题库含答案解析文档格式.docx
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aretobeobserved.
AlGorecallsglobalwarmingan“inconvenienttruth,”asifmerelyrecognizingit
couldputusonapathtoasolution.Buttherealtruthisthatwedon’tknowenoughto
relieveglobalwarming,and–withoutmajortechnologicalbreakthroughs—wecan’tdo
muchaboutit.
From2003to2050,theworld’spopulationisprojectedtogrowfrom6.4billionto9.1
billion,a42%increase.Ifenergyuseperpersonandtechnologyremainthesame,total
energyuseandgreenhousegasemissions(mainly,CO2)willbe42%higherin2050.but
that’stoolow,becausesocietiesthatgrowricherusemoreenergy.Weneedeconomic
growthunlesswecondemntheworld’spoortotheirpresentpovertyandfreeze
everyoneelse‘slivingstandards.Withmodestgrowth,energyuseandgreenhouse
emissionsmorethandoubleby2050.
Nogovernmentwilladoptrigidrestrictionsoneconomicgrowthandpersonal
freedom(limitsonelectricityusage,drivingandtravel)thatmightcutbackglobal
warming.Still,politicianswanttoshowthey’re“doingsomething.”ConsidertheKyoto
Protocol(京都议定书).Itallowedcountriesthatjoinedtopunishthosethatdidn’t.Butit
hasn’treducedCO2emissions(upabout25%since1990),andmanysignatories(签字
国)didn’tadopttoughenoughpoliciestohittheir2008-2012targets.
Thepracticalconclusionisthatifglobalwarmingisapotentialdisaster,theonly
solutionisnewtechnology.Onlyanaggressiveresearchanddevelopmentprogram
mightfindwaysofbreakingdependenceonfossilfuelsordealingwithit.
Thetroublewiththeglobalwarmingdebateisthatithasbecomeamoralproblemwhen
it’sreallyanengineeringone.Theinconvenienttruthisthatifwedon’tsolvethe
engineeringproblem,we’rehelpless.
57.Whatissaidaboutglobalwarminginthefirstparagraph?
A)ItmaynotproveanenvironmentalB)Itisanissuerequiringworldwide
crisisatall.commitments.
C)SeriousstepshavebeentakentoavoidD)Verylittlewillbedonetobringitunder
orstopit.control.
58.Accordingtotheauthor’sunderstanding,whatisAlGore’sviewonglobalwarming?
A)Itisarealitybothpeopleandpoliticiansareunawareof.
B)Itisaphenomenonthatcausesusmanyinconveniences.
C)Itisaproblemthatcanbesolvedonceitisrecognized.
D)Itisanareaweactuallyhavelittleknowledgeabout.
59.Greenhouseemissionswillmorethandoubleby2050becauseof_______.
A)economicgrowthC)wastefuluseofenergy
B)thewideninggapbetweentherichandD)therapidadvancesofscienceand
poortechnology
60.Theauthorbelievesthat,sincethesigningoftheKyotoProtocol,________.
A)politicianshavestartedtodosomethingtobetterthesituation
B)fewnationshaveadoptedrealtoughmeasurestolimitenergyuse
C)reductionsinenergyconsumptionhavegreatlycutbackglobalwarming
D)internationalcooperationhascontributedtosolvingenvironmentalproblems
61.Whatisthemessagetheauthorintendstoconvey?
A)Globalwarmingismoreofamoralissuethanapracticalone.
B)Theultimatesolutiontoglobalwarmingliesinnewtechnology
C)Thedebateoverglobalwarmingwillleadtotechnologicalbreakthroughs.
D)Peoplehavetogiveupcertainmaterialcomfortstostopglobalwarming.
PassageTwo
Somedayastrangerwillreadyourwithoutyourpermissionorscanthe
Websitesyou’vevisited.Orperhapssomeonewillcasuallyglancethroughyourcredit
cardpurchaseorcellphonebillstofindoutyourshoppingpreferencesorcallinghabits.
Infact,it’slikelysomeofthesethingshavealreadyhappenedtoyou.Whowould
watchyouwithoutyourpermission?
Itmightbeaspouse,agirlfriend,amarketing
company,aboss,acoporacriminal.Whoeveritis,theywillseeyouinawayyounever
intendedtobeseen—the21stcenturyequivalentofbeingcaughtnaked.
Psychologiststellusboundariesarehealthy,thatit’simportanttorevealyourselfto
friends,familyandloversinstages,atappropriatetimes.Butfewboundariesremain.The
digitalbreadcrumbs(碎屑)youleaveeverywheremakeiteasyforstrangersto
reconstructwhoyouare,whereyouareandwhatyoulike.Insomecases,asimple
Googlesearchcanrevealwhatyouthink.Likeitornot,increasinglyweliveinaworld
whereyousimplecannotkeepasecret.
Thekeyquestionis:
Doesthatmatter?
WhenopinionpollsaskAmericansaboutprivacy,mostsaytheyareconcernedabout
losingit.Asurveyfoundanoverwhelmingpessimismabo
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