结课大仙经典sc171题练习册

大仙经典SC171说明所有题目均来自因，但不保证覆盖该题所有考点，因为实战中，大仙提倡尽量追求寻找把握大/GMAT》或《GMAT解毒十日谈》系列，也可加入Q群进行讨论为了保留的信息量，在题目后面保留了网上考友的整理点评，但不保证其大仙体系精神：将非常有限的可靠工具操练至炉火纯青，而不是像希望具体了解大仙授课内容/体系精髓的，可参加大仙面授课程或与考满分网联C进阶课程大气磅礴型题目：宏观入 重心杀Neuroscientists,havingamassedawealthofknowledgeoverthepasttwentyyearsaboutthebrainanditsdevelopmentfrombirthtoadulthood,arenowdrawingsolidconclusionsabouthowthehumanbraingrowsandhowbabiesacquirelanguage.Neuroscientists,havingamassedawealthofknowledgeoverthepasttwentyyearsaboutthebrainanditsdevelopmentfrombirthtoadulthood,areNeuroscientists,havingamassedawealthofknowledgeaboutthebrainanditsdevelopmentfrombirthtoadulthoodoverthepasttwentyyears,andareNeuroscientistsamassingawealthofknowledgeaboutthebrainanditsdevelopmentfrombirthtoadulthoodoverthepasttwentyyears,andareNeuroscientistshaveamassedawealthofknowledgeoverthepasttwentyyearsaboutthebrainanditsdevelopmentfrombirthtoadulthood,Neuroscientistshaveamassed,overthepasttwentyyears,awealthofknowledgeaboutthebrainanditsdevelopmentfrombirthtoadulthood,题目释义：Ns,havingdone….., ng考点句子完整结构V-ing(presentparticiple)修饰ingV-ing结构作状语，作①伴随动作，表与主句动词同时发生的动②伴随结果，表主句动作带此时注意其逻辑主语的判断：其所修饰分句的动作发出者(如本题D,E选项)，V-ing结构作定语修饰前面名词和宾语所指是同一事物--见OG10-39,OG11-24中对正确选项C的解释。Formembersoftheseventeenth-centuryAshantinationinAfrica,animal-hideshieldswithwoodenframeswereessentialitemsofmilitaryequipment,amethodtoprotectwarriorsagainstenemyarrowsandspears.amethodtoasamethodasaprotectiontoOG10-39的解释（注C选项的解释ChoiceCisbestbecausetheparticipleprotectingbeginsaphrasethatexinswhattheshieldsdid.ChoicesAandBawkwardlyusethesingularwordmethodtorefertoitemsofmilitaryequipmentratherthantotheuseofsuchitems.Also,amethodofprotectingwouldbemoreidiomaticthanamethodtoprotectinAoramethodprotectinginB.InBandD,asisincorrect;also,aprotectioninDhasnonounforwhichitcanlogicallysubstitute.ChoiceEplete;usedtoprotectwouldhavebeenOG11-24的解释（注CE选项的解释Logicalpredication+rhetoricalTheunderlinedpartofthesentencebeginsaphrasedescribingitemsofmilitaryequipment.Itisawkwardandinaccuratetodescribeitemsasamethod.RecingtheunderlinedphrasewiththeparticipleprotectingcreatesamodifyingphrasethatclearlyexinsthepurposeoftheitemsofmilitaryAmethodtoprotectisanawkwardreferencetoThesingularamethodshouldnotrefertothepluralitems,asamethodprotectingisnotidiomaticCorrect.Inthissentence,protectingproperlyintroducesaphraserevealingthepurposeoftheBeginningthephrasewithasisincorrect;usingthenounformcreatesTheinfinitivetoprotectcannotactasanadjectivemodifyingtheparticipialformoftheverb,protecting,isThecorrectanswerisaeoluseros对于Havingdone 时我统一把他们记为修饰语‖，只有在做题目解释的时候才区分一下)。prep1-188中，A选项"havingamassedawealthofknowledgeoverthepasttwentyyearsaboutthebrainanditsdevelopmentfrombirthtoadulthood"，你可以把这个成分理解成状语，也可以理解为定语，修饰的都是Neuroscientists这个主having看做定语和状语时，句意理解起来而prep1-97：Industrializationandmodernmethodsofinsectcontrolhaveimprovedthestandardoflivingaroundtheglobewhileatthesametimetheyhaveintroducedsome100,000dangerouschemicalpollutants,havinggonevirtuallyunregulatedsincetheyweredevelopedmorethan50yearsago.这里面having可能修pollutants，也可能修theyhaveintroducedsome100,000dangerouschemicalpollutants整个分句，所以having产生了修饰歧义havingdone夸克的语法大全里面明确写出havingdone做限定性修饰是错误的：Theperfectiveaspectcannotusuallybeexpressedinthenonfiniteclause: Themanhavingwontheraceismybrother. ThemanwhohaswontheraceismyhavingdoneWhenhavingdone结构一定错错，因为不应该when。单Havingdone就够了。Have有很多地方与正牌动词不同，When后就不能用having了。原因是havingdone是过去，而when是当时，所以有。选项分析句子结构不完整，and前半分句没有谓语动词；overthepasttwentyyears错误修饰由于v-ingadulthood同OG12-21对本题解Grticalconstruction;LogicalThissentenceintroducesthesubject(Neuroscientists),pausestoexinwhatneuroscientistshave plishedinthepasttwentyyears,andthenconcludesbyexiningwhatneuroscientistsarepresentlyngasaresultoftheirpastplishments.Thesecondpartofthesentence—theexnation—interruptstheflowofthesentencefromthesubject(Neuroscientists)tothepredicate(arenowdrawingsolidconclusions…);itshouldthereforebebracketedbycommas.Thesentenceconstructionshouldprovideamainverbforthesubjectneuroscientists.Correct.Theexnatoryphrasebetweenthesubjectandpredicateissetoffbycommas,andthemainclausecontainsbothasubject(Neuroscientists)andacorrespondingverb(arenowdrawing).Andareindicatesthatarefollowsapreviousverb,butinfactthesentencehasnotyetprovidedafirstmainverbforthesubjectNeuroscientists;thesentenceis plete;overthe…yearsappearstobemodifyingadulthood.Amassing,likehavingamassed,functionsasanadjective,notaverb;thesentencethereforelacksthefirstmainverbimpliedbythecompoundverbconstructionandarenowdrawing.…Thefinaldescriptorinpresenttense,nowdrawingconclusions…doesnotfittheopeningclause,whichisinpresent-perfecttense(haveamassedawealth…)andseemstomodifyadulthood.LikeD,thissentenceattemptstoattachapresent-tensedescriptortoapresent-perfectclause.219.(GWD-12- 动作相对关系杀ApprovedApril24,1800,theactofCongressthatmadeprovisionfortheremovaloftheernmentoftheUnitedStatestothenewfederalcity,Washington,D.C.,alsoestablishedtheLibraryofCongress.ApprovedApril24,1800,theactofCongressthatmadeprovisionfortheremovalofthe ernmentoftheUnitedStatestothenewfederalcity,Washington,D.C.,alsoestablishedTheactofCongress,whichwasapprovedApril24,1800,makingprovisionfortheremovalofthe ernmentoftheUnitedStatestothenewfederalcity,Washington,D.C.,alsoestablishedTheactofCongressapprovedApril24,1800,whichmadeprovisionfortheremovalofthe ernmentoftheUnitedStatestothenewfederalcity,Washington,D.C.,andestablishedApprovedApril24,1800,makingprovisionfortheremovalofthe ernmentoftheUnitedStatestothenewfederalcity,Washington,D.C.,theactofCongressalsoApprovedApril24,1800,theactofCongressmadeprovisionfortheremovaloftheernmentoftheUnitedStatestothenewfederalcity,Washington,D.C.,alsoestablishing题目释义：ApprovedApril241800theactofCongressthatmadeprovisionforsth….,alsoestablished考点逻辑意思（logicalprediction）结构（grticalTheactsofCongress：国会案，有publiclaws，也有privatelaws。本题只要correct。TheactofCongresswhich指代太远不及A好；and主语前面部分冗长awkward；making作为非限定性修饰，使得句子表达的是actofCongress只有那么一个，违背。TheactofCongress少了限定性定语从句的修饰，使得句子表达的是actofCongress只有那么一个，违背；establish和makeprovision逻辑上是同一层次establishing改为andalsoestablish，要不改为同A选项一样。P2-210GWD-12-Q31)EmilyDickinson’sletterstoSusanHuntingtonDickinsonwerewrittenoveraperiodbeginningafewyearsbeforeSusan’smarriagetoEmily’sbrotherandendingshortlybeforeEmily’sdeathin1886,outnumberingherletterstoanyoneelse.DickinsonwerewrittenoveraperiodbeginningafewyearsbeforeSusan’smarriagetoEmily’sbrotherandendingshortlybeforeEmily’sdeathin1886,DickinsonwerewrittenoveraperiodthatbeginsafewyearsbeforeSusan’smarriagetoEmily’sbrotherandendedshortlybeforeEmily’sdeathin1886,Dickinson,writtenoveraperiodbeginningafewyearsbeforeSusan’smarriagetoEmily’sbrotherandthatendsshortlybeforeEmily’sdeathin1886andDickinson,whichwerewrittenoveraperiodbeginningafewyearsbeforeSusan’smarriagetoEmily’sbrother,endingshortlybeforeEmily’sdeathin1886,andDickinson,whichwerewrittenoveraperiodbeginningafewyearsbeforeSusan’smarriagetoEmily’sbrotherandendingshortlybeforeEmily’sdeathin1886,outnumber题目释义：EmilyDickinson’sletters(toSusanHuntingtonDickinson)修饰letters,which...,outnumber考点句子结构平行结构outnumbering无论做伴随还是结果逻辑意思都是的end与begin并列，end时态不正确；outnumber没有主语andthat没有并列对象，结构不平行;outnumbering与beginning并列逻辑不合理andoutnumbering与beginning和ending平行逻辑意思不合理；而且句中缺少的谓语动词CorrectLP杀WhichP2-216.(GWD-13-AlthoughshehadbeenknownasaneffectivelegislatorfirstintheTexasSenateandlaterintheUnitedStatesHouseofRepresentatives,notuntilBarbaraJordan’sparticipationinthehearingsontheimpeaentof RichardNixonin1974wasshemadeanationallyrecognizedfigure,asitwasevisednationwide.laterintheUnitedStatesHouseofRepresentatives,notuntilBarbaraJordan’sparticipationinthehearingsontheimpeaentofRichardNixonin1974wasshemadeanationallyrecognizedfigure,asitwaslaterintheUnitedStatesHouseofRepresentatives,BarbaraJordandidnoteanationallyrecognizedfigureuntil1974,whensheparticipatedinthehearingsontheimpeaent RichardNixon,whichlaterintheUnitedStatesHouseofRepresentatives,itwasnotuntil1974thatBarbaraJordanbecameanationallyrecognizedfigure,withherparticipationinthehearingsontheimpea entofRichardNixon,whichwasthenalsolaterintheUnitedStatesHouseofRepresentatives,notuntil1974didBarbaraJordan eanationallyrecognizedfigure,assheparticipatedinthehearingsontheimpea entofRichardNixon,beingthenalsolaterintheUnitedStatesHouseofRepresentatives,BarbaraJordandid eanationallyrecognizedfigureuntil1974,whensheparticipatedinthehearingsontheimpeaentof RichardNixon,whichwas考点then与later用词重此处的impea ent是一种法律程序，impeach的英文解释为：Ifaa ernment ernorwasimpeachedforusingstatefunds因此电 的只能是有关这一法律程序的听证会，所以which从句只能修hearings，而不是这一法律程序本身主从句对位指代：如果主从句主语相同，那么当主句时，主句主语要用名词，从句主语要用代词；当从句是，从句主语可以用名词也可以用代词，当从句主选项分析notuntil；wasmade较口语化，用e更好；hearings是复数，不能用it指代。主句主语用BarbaraJordan比较好；with引导的独立主格做伴随逻辑意思不合理；主句主语用BarbaraJordan比较好；then与later用词重复；用as来引导伴随状语逻本题存在部分原句：notuntilBarbaraJordan'sparticipationinthehearingsontheimpeaentofRichardNixonin1974wasshemadeanationallyrecognizedfigure,正常语序是shewasmadeanationallyrecognizedfigurenotuntilBarbaraJordan'sparticipationinthehearingsontheimpeaentofRichardNixonin旧PREP1-133.(31602-!-item-!-Inthepastseveralyears,astronomershavedetectedmorethan80massivenets,mostofthemaslargeorlargerthanJupiter,whichcircleotherstars.mostofthemaslargeorlargerthanJupiter,whichmostofthemaslargeorlargerthanJupiterandmostofthematleastaslargeasJupiter,mostlyatleastaslargeasJupiter,whichmostlyaslargeorlargerthanJupiter,句子结构：…,astronomershavedetected…nets,…aslargeasJupiter,circling…在分词circling作后置定语修饰nets。考点：比较、平行对比较，Aas…as…oradj.erthanB;Aatleastasadj.erasB。常见的错误用as…oradj.erthanB（少as）as…ascomparedto;as…thancomparedto;as…平行对称，注意连词and的前后是否有合理且符合原句意思的平行对象缺少第二个as，as…as…是完整结构缺少第二个as，as…as…是完整结构；andcircling没有并列对象正确，them指代nets，现在分词circling作后置定语修饰nets，前面mostofmostlymostly是副词，修饰错误；缺少第二个as，as…as…(1it的指代ABD均（2）抽主干发现主表不一致244.(GWD-10-InJapan,a ernmentadvisorycommitteecalledforthebreakupofNipponephone egraph,the intheworld,sowouldbetwolocalphonecompaniesandonelong-distanceInJapan,a ernmentadvisorycommitteecalledforthebreakupofNipponephoneand egraph,thelargest intheworld,soitwouldThebreakupoftheworld'slargestephone ,Nipponephoneandegraph,wascalledforbya ernmentadvisorycommitteeinJapan,soitwouldbe ernmentadvisorycommitteeinJapancalledforthebreakupofNipponephoneandegraph,theworld'slargestephone ThebreakupofNipponephoneandegraph,theworld'slargest ,wascalledforbya ernmentadvisorycommitteeinJapan,soitwouldbeCalledforbyaernmentadvisorycommittee,thebreakupofNipponephoneandegraphinJapan,theworld'slargestephone ,wastobeinto题目释义 考点逻辑意思（logicalprediction）句子结构 ticalCallfor：叫()来；要求，需同位语修饰名词词组AofBG是不一定是修饰其中的词，可能就近修饰。soitwouldbe里的it指代歧义，本身应指代thelargestephone 里指代了主语aernmentadvisorycommittee，错误。it指代了breakup错误；一个是theworld'slargest 是没有特殊原因，没有必要用语态，反而不简洁。 ,‖做插入语it的指代错误同B；没有特殊原因，没有必要用语态，反而不简洁―,theworld’slargestephone 对象，错误；wastobeinto过去将来时的用法，累赘。Which指代错LP杀重心应该是预测，只是预测的依据，排除251.(GWD-1-Faultyvotingequipment,confusingballots,votererror,andproblemsatpollingceshavebeencitedbyanewstudyofthe2000UnitedStatesialelection,whichestimatedthattheydidnotcount4millionto6millionofthe100millionvotescast.Faultyvotingequipment,confusingballots,votererror,andproblemsatpollingceshavebeencitedbyanewstudyofthe2000UnitedStatesialelection,whichestimatedthattheydidnotcount4millionto6millionofthe100millionvotescast.Citingfaultyvotingequipment,confusingballots,votererror,andproblemsatpollingces,anewstudyofthe2000UnitedStatesialelectionhasestimatedthat4millionto6millionofthe100millionvotescastwerenotCitingfaultyvotingequipment,confusingballots,votererror,andproblemsatpollingces,4millionto6millionofthe100millionvotescastwerenotcountedinthe2000UnitedStatesialelection,anewstudyestimates.Anewstudyhascitedfaultyvotingequipment,confusingballots,votererror,andproblemsatpollingcesinestimatingthat4millionto6millionofthe100millionvotesthatwerecasthadnotbeencountedinthe2000UnitedStatesialAnewstudyofthe2000UnitedStatesialelection,citingfaultyvotingequipment,confusingballots,votererror,andproblemsatpollingces,hasestimated4millionto6millionvoteshadnotbeencountedofthe100millionvotes题目释义：CitingABCandDastudyofsthhasestimated考点逻辑意思（logicalprediction）句子结构 tical--ing所谓的原句‖合理重心‖estimate(that)（不需加原V）estimate+N+tobe (prep2-estimateNat价格等数量词（估价）（除此概念以外优先用estimatedto表达如：40to44millionyears是时间概念，要用estimatedtobe40to44millionyears选项分析Correct；Citing在句首，anewstudyciting逻辑主语错误，同时致使本应该是成分的anewstudyestimates成了插入hadnotbeen时态错误；主谓相隔太远不好；复杂的句式estimate后面补出that更好（1）Amissit了，实际上应该是exe-发出，Bmake了，实际上应该是那事儿（2）Dthemthey指代不同的东西，（3）OG认为C的问题是it255.(GWD-12-Heavycommitmentbyanexecutivetoacourseofaction,especiallyifithasworkedwellinthepast,makesitlikelytomisssignsofincipienttroubleormisinterpretthemwhentheydoappear.Heavycommitmentbyanexecutivetoacourseofaction,especiallyifithasworkedwellinthepast,makesitlikelytomisssignsofincipienttroubleormisinterpretthemwhentheydoappear.Anexecutivewhoisheavilycommittedtoacourseofaction,especiallyonethatworkedwellinthepast,makesmissingsignsofincipienttroubleormisinterpretingoneslikelywhentheydoappear.Anexecutivewhoisheavilycommittedtoacourseofactionislikelytomissormisinterpretsignsofincipienttroublewhentheydoappear,especiallyifithasworkedwellinthepast.Executives’beingheavilycommittedtoacourseofaction,especiallyifithasworkedwellinthepast,makesthemlikelytomisssignsofincipienttroubleormisinterpretingthemwhentheydoappear.Beingheavilycommittedtoacourseofaction,especiallyonethathasworkedwellinthepast,islikelytomakeanexecutivemisssignsofincipienttroubleormisinterpretthemwhentheydoappear.题目释义：Beingheavilycommittedtoacourseofaction,especiallyonethat…,islikelytomake…whenthey…。考点逻辑意思（logicalprediction）句子结构 ticalone是词指代，且为泛指句式结构行为一‖导致行为二‖也是一种大平行acourseofaction行动/运行/执行过程 itlikelythattheexecutivewillmiss..."才行；至于后一个it指代后面的不定式没有问题，it充当形式宾语，而实际宾语就是不定式tomissandtoomisinterpret；hasworked…inthepast时态错误。句子表达的含义是经理使得missingsigns和misinterpretingonesmorelikely‖，是谁missingsigns和misinterpreting不清楚；第一个one就近指代acourseofaction没incipienttrouble(one是词指代，且为泛指)；whentheydoappear的修饰对象whentheydoappear修饰了平行的动词missormisinterpret不合逻辑，明明miss了还doappear；especiallyifithasworkedwellinthepast远离它修饰的courseofaction，使得it离所指的acourseofaction太远不好。而且Executives'beingheavilycommittedtoacourseofaction累赘；hasworked…inthepast时态错；tomiss和misinterpreting不平行；第一个them很明显Correct；Being强调是一个动作，gerundphrase做主语；由于acourseofaction是A、C（2）D死于主句主语出错，划线外的beingoffered决定了主语应该是(3)BCharlesLindbergh,forhisattemptatasolotransatlanticflight,wasveryreluctanttohaveanyextraweightonhisne,hethereforerefusedtocarryevenapoundofmail,despitebeingoffered$1,000todoso.CharlesLindbergh,forhisattemptatasolotransatlanticflight,wasveryreluctanttohaveanyextraweightonhisne,hethereforeWhenCharlesLindberghwasattemptinghissolotransatlanticflight,beingveryreluctanttohaveanyextraweightonhisne,heSincehewasveryreluctanttocarryanyextraweightonhisnewhenhewasattemptinghissolotransatlanticflight,soCharlesLindberghBeingveryreluctanttocarryanyextraweightonhisnewhenheattemptedhissolotransatlanticflightwasthereasonthatCharlesLindberghVeryreluctanttohaveanyextraweightonhisnewhenheattemptedhissolotransatlanticflight,CharlesLindbergh题目释义：VeryreluctanttohaveanyextraweightCharlesLindberghrefusedto……..,despite…..…refusetodosth，despite引导的状语从句，修饰谓语，表转折。1.Attempt的用法attempttodosth.attemptsth.做名词时anattemptat(ng)anattempttodosth.但是不及attempttodosth.简洁有效being多余；beingveryreluctantto引导的成分夹心修饰since和so句式结构复杂，clumsy&awkward放下对despite的偏见：despite后面既可以跟n.+长修饰语，也可以跟现在分词本题.Veryreluctanttohaveanyextraweightonhisnewhenheattemptedhissolotransatlanticflight,CharlesLindberghrefusedtocarryevenapoundofmail,despitebeingoffered$1,000todoso.prep1-183.Despiterecentincreasesinsalesandcashflowthathave companies'commonstockstonewhighs,severalindustryystsexpectautomakers,inordertoconservecash,tobemoreconservativethantheyhavebeeninsettingdividends.OG11-92.Despitesfromsomewaste-disposalcompanies,statehealthofficialshaveorderedthatthelevelsofbacteriainseawateratpopularbeachesbemeasuredandtheresultspublished.prep2-209.(GWD-10-Q21)Despitethegrowingnumberofpeoplewhopurchaseneticketsonline,airlineexecutivesareconvincedthat,justasone-thirdofbankcustomersstillpreferhumanlerstoautomatic lermachines,manytravelerswillstillusetravelagents.P2-207.(GWD-24-LP动作发出者或动名词与纯名词PKStudyingthefruitfly,ahouseholdnuisancebutatime-honoredexperimentalsubject,hasenabledthesecretsofhowembryosdeveloptobegintobeunraveledbyStudyingthefruitfly,ahouseholdnuisancebutatime-honoredexperimentalsubject,hasenabledthesecretsofhowembryosdeveloptobegintobeunraveledbyscientists.Bythestudyofthefruitfly,ahouseholdnuisanceandalsoatime-honoredexperimentalsubject,itwaspossibleforthesecretsofhowembryosdeveloptobegintobeunraveledbyscientists.Bystudyingahouseholdnuisancebutatime-honoredexperimentalsubject,thefruitflyenabledscientiststobegintounravelthesecretsofhowembryosBystudyingthefruitfly,ahouseholdnuisanceandalsoatime-honoredexperimentalsubject,thesecretsofhowembryosdeveloparebeginningtobeunraveledbyscientists.Thestudyofthefruitfly,ahouseholdnuisancebutatime-honoredexperimentalsubject,hasenabledscientiststobegintounravelthesecretsofhowembryos考点时态，逻辑含enable固定搭配：enablesb.todo 错误搭配：enablesth.tobedoneby选项分析studying的使用awkward，咋读让人感觉ahouseholdnuisance是逻辑主语，也有tobedone错误。文中并不清楚究竟是谁做了study；本句非常wordyandawkward;优先使用主动语态;andalso改变句意thesecrets是bystudying的主语逻辑意思不合理，而且咋读有修饰ahousehold的含义，原句用了hasenabled现在完成时表示了早先就enable了。Correct；看到thestudy，直接选它。后面不接语态的动词或动词短语lead;cause;enable; e;receive;visit;Lack;enter;cost;possess;resemble;last;like;enjoy;notice;watch;lookat;listento;payattentionto;suit;fit;contain;soastodo;beabletodo;belikelytodoP2-220.(GWD-6-扎实做可以以run-onAELP小细节可利用whileandB用Thefactofsomefraternaltwinsresemblingeachothergreatlyandotherslookingquitedissimilarhighlightsaninterestingandoftenoverlookedfeatureoffraternal-twinpairs,namelytheyvaryconsiderablyonaspectrumofgeneticrelatedness.ThefactofsomefraternaltwinsresemblingeachothergreatlyandotherslookingquitedissimilarhighlightsaninterestingandoftenoverlookedfeatureofThatsomefraternaltwinsresembleeachothergreatlywhileotherslookquitedissimilarhighlightsaninterestingandoftenoverlookedfeatureoffraternal-twinpairs,namelythattheyvaryconsiderablyWithsomefraternaltwinsresemblingeachothergreatlyandotherslookingquitedissimilar,ithighlightsaninterestingandoftenoverlookedfeatureoffraternal-twinpairs,namelyconsiderableWithsomefraternaltwinsresemblingeachothergreatlyandotherslookingquitedissimilar,itisafactthathighlightsaninterestingandoftenoverlookedfeatureoffraternal-twinpairs,namelyaconsiderablevariationBecausesomefraternaltwinsresembleeachothergreatlyandotherslookquitedissimilar,thisfacthighlightsaninterestingandoftenoverlookedfeatureoffraternal-twinpairs,namelytheyvaryconsiderably题目释义：That……highlights……，namely考点one与another搭配；some和others搭配；each和theother搭配；eachother和搭namely是的用法十分灵活：（=thatistosayalongwith）.它是副词，后面不能直补充说明前面离它最近的名词成分；e.gTheotherchange,namelytheincreaseinelectronicequipment,hassloweddown.补充说明句子主语；e.gOnegroupofpeopleseemstobeforgotten,namelypensioners.theproblem,butafterdiscussingthesituationwithABonthephoneanalternativesolutionwasathand;namely,thatfrom1987onwardsIwouldspendmywintersyingforQueensland.选项分析thefact后面用of无法完全解释fact的内容，应该用that引导的同位语从句，来说明Correct；namelythat修饰that引导的名词性从句(名词性从句相当于名词)，根据这改为第一种用法：Thatsomefraternaltwinsresembleeachothergreatlywhileotherslookquitedissimilar,namelythattheyvaryconsiderably,highlightsaninterestingandoftenoverlookedfeatureoffraternal-twinpairs.It指代正确，因为是结构itisafactthat结构的一部分，强调句；afact独立主格错误同C；namely无补充说明对象thefactof在GMAT中从未成为过正确选项，必须用that引导同位语从句修饰factChroniclow-levelleakingandtheroutinedischargeofdrillingmudandmineralsaltspresentconsiderableenvironmentalriskduringoffshoreoildrilling.saltspresentconsiderableenvironmentalriskduringoffshoreoildrilling.Thereasonoffshoreoildrillingpresentsaconsiderablyenvironmentalriskisbecauseofchroniclow-levelleakingandtheroutinedischargeofdrillingmudandmineralsalts.Aconsiderablerisktotheenvironmentispresentedduringoffshoreoildrilling,wherelow-levelleaksarechronicandtheroutinedischargeofmudandmineralsalts.Offshoreoildrillingpresentsaconsiderablerisktotheenvironmentduetothefactofchroniclow-levelleaks,andmudandmineralsaltsareroutinelyChroniclow-levelleaking,alongwiththeroutinedischargeofdrillingmudandmineralsalts,arewhatmakeoffshoreoildrillingenvironmentallyrisky.Darwinwasnotthefirsttoadvanceatheoryofevolution;histremendousoriginalitylayinthefactthatheproposedtheideaofnaturalselectionasthemeansbywhichevolutionworked.layinthefactthatheproposedthelayinthefactofhisproposingthelaidinthefactofhisproposingthelaidinhislayinhisAdiscussionofournation’sforeignmustbeginwiththefactoftherebeinganindependentWesternEuropewhichnowthinksofitselfintrans-nationalistterms.Adiscussionofournation’sforeignmustbeginwiththefactofthereBeginninganydiscussionofournation’sforeignmustbethefactthereAnydiscussionofournation’sforeignmustbeginwiththefactthatthereAnydiscussionofournation’sforeignmustbeginbyacknowledgingtheexistenceofTobegindiscussingournation’sforeigntheemustbeanacknowledgmentofthefactthat正确答案P2-235.(GWD3-主谓一致LP时态makesOnaccountofalawpassedin1933,makingitacrimepunishablebyimprisonmentthataUnitedStatescitizenholdgoldintheformofbullionorcoins,immigrantsfoundthatonarrivalintheUnitedStatestheyhadtosurrenderallofthegoldtheyhadbroughtwiththem.Onaccountofalawpassedin1933,makingitacrimepunishablebyimprisonmentthataUnitedStatescitizenholdWithalawpassedin1933thatmakesitacrimepunishablebyimprisonmentthataUnitedStatescitizenholdAlawpassedin1933thatmadeitacrimepunishablebyimprisonmentforaUnitedStatescitizenholdingBecauseofalawpassedin1933makingitacrimepunishablebyimprisonmentforaUnitedStatescitizentoholdDuetoalawbeingpassedin1933thatmakesitacrimepunishablebyimprisonmentforaUnitedStatescitizentohold题目释义：Becauseofimmigrantsfoundthat考点makeitadj./n.(forsb.)todo/选项分析①hold与aUnitedStatescitizen主谓不一致；②making饰immigrants则是错误的逻辑关系；③imprisonmentthata…中that有引起修饰sb.todo。①hold与aUnitedStatescitizen主谓不一致；②习惯使用ng；③同①it指代不清；②同B②；③Alawpassedin1993that…有作为immigrants同位语的歧义；④正确的短语是makeitacrimeforsb.todo，用ng错误。表达出原因‖，使得即便去掉noun.后面的所有修饰成分，仅仅becauseofnoun,S.V.O.逻辑上也能够非常直接没有问题；这里becauseofalaw，已经能够表达出是immigrantsfoundthat的直接原因（见prep1-203补充说明，其中的D选项的becauseofmoisture就不是直接的原因）。①being冗余；②同B②；③由于dueto放在句首有引导形容词短语的歧义，在中不放在句首PRP1-424603-!-item-!-主谓一致NikolaTesla,theinventorofalternatingcurrent,becausehewasexcitedwiththeprospectsofharnessingNiagaraFallsforproducingelectricpower,hepredictedinthemid-1890'sthatelectricitygeneratedatNiagarawouldonedaypowerthestreetcarsofLondonandthestreetlightsofParis.NikolaTesla,theinventorofalternatingcurrent,becausehewasexcitedwiththeprospectsofharnessingNiagaraFallsforproducingelectricpower,heTheprospectsofharnessingNiagaraFallstoproduceelectricpowerwasexcitingtoNikolaTesla,theinventorofalternatingcurrent,andsoheExcitedabouttheprospectsofharnessingNiagaraFallstoproduceelectricpower,NikolaTesla,theinventorofalternatingcurrent,NikolaTesla,theinventorofalternatingcurrent,excitedabouttheprospectsofharnessingNiagaraFallsfortheproductionofelectricpowerandTheinventorofalternatingcurrent,excitedwiththeprospectsofharnessingNiagaraFallsforproducingofelectricpower,NikolaTesla考点:句子结构（Grtical用todo结构表达目的更加有效(A)NikolaTesla应为句子主语，位置错误;for 将theprospects作为主语改变了句子的重心正确 过去分词结构excitedabout置于句首作状语修饰主句，谓语为forng结构表示目的不及todo有效;excitedabout…是形容词结构，如果要与作谓语，需要加系动词be，否则结构不forng结构表示目的不及todo有效；excitedabout…形容词结构作定语修饰主语句子结构:Excitedabout…,NikolaTesla, 同位语,predicted…LP句子不完整杀CE比较，E主从句WhendraftingtheDeclarationofSentimentsthatwasadoptedattheSenecaFallsWomen'sRightsConventionin1848,includedinitbytheauthor,ElizabethCadyStanton,wasacallforfemaleenfranchisement.WhendraftingtheDeclarationofSentimentsthatwasadoptedattheSenecaFallsWomen'sRightsConventionin1848,includedinitbytheauthor,ElizabethCadyStanton,wasacallforfemaleenfranchisement.Includingacallforfemaleenfranchisement,adraftoftheDeclarationofSentimentswasadoptedattheSenecaFallsWomen'sRightsConventionin1848thatElizabethCadyStantonwrote.WhentheDeclarationofSentimentsdraftedbyElizabethCadyStantonwasadoptedattheSenecaFallsWomen'sConventionin1848,acallforfemaleenfranchisementhadbeenincludedinit.Acallforfemaleenfranchisement,includedinElizabethCadyStanton'sdraftoftheDeclarationofSentimentsin1848,thatwasadoptedbytheSenecaFallsWomen'sRightsConvention.WhenElizabethCadyStantondraftedtheDeclarationofSentimentsthatwasadoptedattheSenecaFallsWomen'sRightsConventionin1848,sheincludedinitacallforfemaleenfranchisement.考点:句子结构 逗号+-ed形容词的结构中,-ed分词短语在句首起状语作用,whendrafting…结构中缺乏逻辑主语;included…结构中缺乏句子主语应该在included之前加上一个what用来做wasacall的主语;即使上面两个问题修改后,句子结that从句离修饰对象adraft太远,给人感觉that从句修饰的是Convention;整个句子原句中没有标志表明要用过去完成时;acallforfemaleenfranchisementhadincludedinit.使用语态无法表示出施动者是谁,并且it指代模整个句子缺乏谓语成分;included从语法上修饰enfranchisement,A正确,when连接完整的句子,that从句紧靠修饰对象,句子结构清晰,句子结构WhenElizabethCadyStantondraftedtheDeclarationofSentimentsthat…,sheincludedinit…PREP1-45.(26929-!-item-!-LP逻辑关系/重心杀Theapplicationofanewmethodforyzingthechemistryoftoothenamelallowsscientiststoexaminemol