新SAT官方指南阅读第五篇全解析

网站：________________________________________________________________新SAT官方指南阅读第五篇全解析e1isadaptedfromMichaelSlezak,“Spacemining：theNextGoldRush?”○e2isfromtheeditorsofNewScientist,“TamingtheFinalFrontier.”○’edinSydneybytheAustralianCentreforSpaceEngineeringResearch,theeventbroughttogetherminingcompanies,roboticsexperts,lunarscientists,aumcomesaryResourcesofWashingtonsaysitwilllaunchitsfirstprospectingtelescopesintwoyears,whileDeepSpaceIrcommercialventurethatsprungupin2012,GoldenSpikeofColorado,willbeoffering10tripstothemoon,afewdecades,thesefirmsmaybemeetingearthlydemandsforpreciousmetals,suchasplatinumandgold,andtherareearthelementsvitalforpersonalelectronics,etheGoldrushpioneerswhotransformedtheWesternUnitedStates,thefirstspaceminerswon’sohopetobuildanoff-planet15economyfreeofanybondswithEarth,inwhichthematerialsextractedandprocessedfromthe1

网站：________________________________________________________________scenario,waterminedfrootherworldscouldbecomethemostdesiredcommodity.“Inthedesert,what’sworthmore:akilogramofgoldorakilogramofwater?”asksKrisZacnyofHoneyBeeRoboticsinNewYork.“illletyoulive.”20Watericefromthemoon‘spolescouldbesenttoastronauingwaterintooxygenandhydrogenmakesspacecraftfuel,iesareeyeingtheiron,silicon,andaluminiuminlunarsoilandasteroids,wanttoturnspacedirt25intoconcreteforlandingpads,shelters,e2Thetyearhastthiswillmakeafewbillionairesevenwealthier,butweallstandtogain:themineralbountyandspin-offtechnologiescouldenrichusall.30Butbeforetheminersstartfiringuptheirrockets,tglance,spaceminingseemstosidestepmostenvironmentalconcerns:thereis(probably!)nolifeonasteroids,cllarguethatspace’s“magnificentdesolation”isnot35ourstodespoil,justastheyarguethatourownplanet’willsuggestthatgluttingourselvesonspace’srichesisnotanacceptablealternativetodeveloping2

网站：________________________________________________________________ysuggeststhatthosewillbehardlinestohold,anditmaybedifficultll,theyexistinvast40abundance,andevenfewerpeoplewillexperiencethemthanhavewalkedthroughAntarctica’’ourcesthatareonsoftheirrelationshiphavebarelybeenbroached-andtherelevantlegalandregulatoryframeworkis45fragmentary,iners,liketheirearthlyconterparts,akeratlastweek’sspace-miningforuminSydney,Australia,ershavetconsensus,claimswillbedisputed,investments50risky,lofourlong-terminteresttoseekoneout.3

网站：________________________________________________________________s6-10,theauthorofPassage1mentionsseveralcompaniesprimarilyto(A)notethetechnologicaladvancesthatmakespaceminingpossible.(B)provideevidenceofthegrowinginterestinspacemining.(C)emphasizethelargeprofitstobemadefromspacemining.(D)highlightthediversewaystocarryoutspaceminingoperations.正确答案：B分析：文章1的作者列举了很多公司，例如“PlanetaryResourcesofWashington”“DeepSpaceIndustriesofVirginia”和“GoldenSpikeofColorado”，主要目的是支持他的观点：很多对太空开发感兴趣的公司，正在将太空开发变成现实。horofPassage1indicatesthatspaceminingcouldhavewhichpositiveeffect?(A)ItcouldyieldmateiralsimportanttoEarth’eeconomy(B)ItcouldraisethevalueofsomepreciousmetalsonEarth(C)Itcouldcreateunanticipatedtechnologicalinnovations.(D)Itcouldchangescientists’understandingofspaceresources.正确答案：A分析：文章1的作者明确提到，太空开发的一个巨大好处是可以获得地球上的稀缺金属和要素,例如金、铂等。这些稀缺金属对于经济发展是重要的。hoiceprovidesthebestevidencefortheanswertothepreviousquestion?(A)Lines11-13(“Within…lanthanum”)(B)Lines14-16(“They…projects”)(C)Line17(“Inthis…commodity”)(D)Lines23-24(“Companies…machinery”)正确答案：A分析：见43题解释。inline11,”demands”mostnearlymeans(A)offers(B)claims(C)inquiries(D)desires4

网站：________________________________________________________________正确答案：D分析：原文中讲述到太空开发能够满足人们对于稀缺金属的需求（meetearthlydemandsforpreciousmetals）,因此这里的demands是需求、欲望的意思。nctiondoesthediscussionofwaterinlines20-23serveinPassage1?(A)Itcontinuesanextendedcomparisonthatbeginsinthepreviousparagraph.(B)Itprovidesanunexpectedanswertoaquestionraisedinthepreviousparagraph.(C)Itoffershypotheticalexamplessupportingaclaimmadeinthepreviousparagraph.(D)Itexaminespossibleoutcomesofaproposalputforthinthepreviousparagraph正确答案：C分析：文章17行提到从太空中开采出的水资源是特别有价值的。20-23行通过叙述太空水资源可以怎样被有效利用（fordrinkingorasaradiationshield）来“支持太空水资源有价值”这一观点。tralclaimofPassage2isthatspacemininghaspositivepotentialbut(A)itwillendupencouraginghumanity’srecklesstreatmentoftheenvironment.(B)itseffectshouldbethoughtfullyconsideredbeforeitbecomesareality.(C)suchpotentialmaynotincludereplenishingkeyresourcesthataredisappearingonEarth.(D)expertsdisagreeaboutthecommercialviabilityofthediscoveriesitcouldyield.正确答案：B分析：作者在文章2中反复提到：太空开发应该三思而后行（Butbeforetheminersstartfiringuptheirrockets,weshouldpauseforthought.）inline38,“hold”mostnearlymeans(A)maintain(B)grip(C)restrain(D)withstand正确答案：A分析：作者先是提到反对太空开发的环境顾虑。但是面对着太空开发的的经济回报时，那些环境顾虑就很难再起作用（hardtohold）.tatementbestdescribestherelationshipbetweenthepassages?(A)Passage2refutesthecentralclaimadvancedinPassage15

网站：________________________________________________________________(B)Passage2illustratesthephenomenondescribedinmoregeneraltermsinPassage1.(C)Passage2arguesagainstthepracticalityoftheproposalsputforthinPassage1.(D)Passage2expressesreservationsaboutdevelopmentsdiscussedinPassage1.正确答案：D分析：文章1的作者积极支持太空开发，并且列举了太空开发所能带来的各种经济回报；文章2的作者虽然承认太空开发的好处，但是仍然表达出“三思而后行”的顾虑。horofPassage2wouldmostlikelyrespondtothediscussionofthefutureofspacemininginlines11-16,Passage1,byclaimingthatsuchafuture(A)isinconsistentwiththesustainableuseofspaceresources.(B)willbedifficulttobringaboutintheabsenceofregulations(C)cannotbeattainedwithouttechnologiesthatdonotyetexist.(D)seemscertaintoaffectEarth’seconomyinanegativeway.正确答案：B分析：11-16行中，作者表达出太空开发的各种好处，文章2的作者则认为，在没有形成规章制度的情况下，太空开发会引起各种分歧。hoiceprovidesthebestevidencefortheanswertothepreviousquestion?(A)Lines34-35(“Some…pristine”)(B)Lines42-43(“Theresources…Earth”)(C)Lines47-48(“One…avoided”)(D)Lines49-50(“Without…insecure”)正确答案：D分析：见50题解释。ointabouttheresourcesthatwillbehighlyvaluedinspaceisimplicitinPassage1andexplicitinPassage2?(A)TheymaybedifferentresourcesfromthosethatarevaluableonEarth.(B)Theywillbevaluableonlyiftheycanbeharvestedcheaply.(C)Theyarelikelytobeprimarilypreciousmetalsandrareearthelements.(D)TheymayincreaseinvalueasthosesameresourcesbecomerareonEarth.正确答案：A分析：文章1和文章都表达出太空中珍贵资源不同于地球上珍贵资源的观点。文章2在6

网站：________________________________________________________________42-43行明确提到：太空轨道中的珍贵资源不同于地球上的珍贵资源。但是文章1却没有这样的观点。而文章1没有这么直接，只是间接提到太空中的水资源，甚至比地球上的稀缺金属还珍贵。7