GMAT之OGSC完全归纳.docx
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GMAT之OGSC完全归纳.docx
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GMAT之OGSC完全归纳
OG-SC完全归纳
(摘自
总原则:
符合逻辑、平行结构、时态一致、指代清楚、主谓一致、表达地道
说明
1.所有总结纯属个人理解,希望大家共同修改完善
2.大家斟酌使用
3.所有的题目均来自officalguide.t203bc表示officalguide上sc部分的第203题bc选项
4.全文分为一下几个部分简洁没有歧义单复数一致平行结构比较代词指代词义差别有选项时态习惯用语大杂烩等几个部分
5.sth.为某物,sb.为某人,n.为名词,un.为不可数名词,cn.为可数名词,v为动词
6.排列的序号可能不对,但不影响理解
7.祝各位好运!
简洁
1.becauseof+物主代词+动作性名词不如because+名词+动词简洁,即becauseof只用于非常简洁的结构,t48。
2.虚拟语气中的should一定要省略
3.句子中不得有重复的成分,如soaring与riseincreasegrowraise等(t13),amounttoasum其中asum就多余t101,annual与ayear重复t110,attempt,attempt与try(t6),neverregainagain重复错误.t246,whetherornot应为whether
4.n+thatis+adj.为wordy的表达,正确的是:
过去分词adj.+名词,t34,t151.如dioxinsthatarecurrentlyuncontrolled应为currentlyuncontrolleddioxins
5.notany应改为no,t59;atonetime->oncet188,thethingthat->what(t30)
6.主语加两个动作,如果两动作有同一主语,则两个动作并列,不能在第二个动作前重复主语t65,t22e,t135ac。
7.不要用双重所有格,t202(sthofsb’s错),t2(thesizeofcolorado’s错)
没有歧义
1.a+修饰短语(如现在分词短语)+b,如果修饰短语既可以修饰a又可以修饰b,则有歧义,错.t245,t179,262e
2.aandb+定语从句,要明白定语从句到底修饰哪个,可以考虑使用a+定语从句andb的形式来解决.t27,t85;在a与b都是单数以及定语从句修饰a和b的话,则可以使用复数谓语的定语从句。
t128e
3.increasetwice有歧义t72(两倍两次)
4.aofbandc,有歧义,解决办法是candaofb,t128.
5.注意从句主语和谓语省略的用法,如果该从句位于句首则省略的主语即为主句主语,如果在句中则省略的主语是该从句之前最近的名词,e1;答案中应尽量指明主语与谓语,t69ab,t255a.
6.more+adj.+名词,会有歧义,因为不知more修饰谁:
adj还是名词?
如moregasoline-efficientcars,可以考虑使用如此结构carsmoregasoline-efficient.t112
7.在描述a拥有b的时候,如果ab都使用单数,则有歧义:
每个a拥有复数b还是复数a拥有复数b,解决办法是把a换成单数,t252
单复数的一致
1.复合主语,谓语用复数t249
.bluegrassmusicianbillmonroe,whoserepertory,viewsonmusicalcollaboration,andvocalstylewereinfluentialongenerationsofbluegrassartists.wasalsoaninspirationtomanymusicians,thatincludedelvispresleyandjerrygarcia.whosemusicdifferedsignificantlyfromhisown.
(a)wereinfluentialongenerationsofbluegrassartists,wasalsoaninspirationtomanymusicians,thatincludedelvispresleyandjerrygarcia,whosemusicdifferedsignificantlyfrom
(b)influencedgenerationsofbluegrassartists,alsoinspiredmanymusicians,includingelvispresley
习惯用语
1.inpart为副词,不能够用来做连词t204
3.aimatdoingsth.orwiththeaimofdoingsth.t212
4.andalso表示并列,与短语notonly…butalso(此处不能使用andalso)同义t216;单独的butalso表示转折,notonly..butalso表示递进,两者有很大差别
5.therivalrybetweenxandy或者therivalsxandy.t217
6.sb.basesth.onsth.如oneshouldalwaysbaseone'sopinionsonfacts.ets倾向于它(base)的两种用法:
n+basedonsth.(做定语);basedonsth,sth….(主语不能是人).basingaonb..,sb….,如果a是代词的话,则好像ets认为awkwardandimpreciset11
7.during/overaperiodof100years..
8.withholdfromthepublictheidentities…t222
9.creditsth/sb.withhavinghadsomeeffectorgivecredittosthforhavinghadsomeeffect.t226
10.damagetosth.
11.attempttodostht227
12likensthtostht229
13.在如下结构中,thebagistooheavytocarry,carry的宾语it不需要.t234
14.apprenticeshipas…t235
15.helpfulindoingsth.orhelpdosth
16.necessityofsth.而非forsth.t242
17.able只能用于人,不能物t234
18.therearemorebirds,butnotmorenumbers.t251
thegyrfalcon,anarcticbirdofprey,hassurvivedaclosebrushwithextinction;itsnumbersarenowfivetimesgreaterthanwhentheuseofddtwassharplyrestrictedintheearly1970's..
(a)extinction;itsnumbersarenowfivetimesgreaterthan
(b)extinction;itsnumbersarenowfivetimesmorethan
(c)extinction,theirnumbersnowfivefoldwhattheywere
(d)extinction,nowwithfivefoldthenumberstheyhad
(e)extinction,nowwithnumbersfivetimesgreaterthan
19.payforjobs,t109
20.表示原因,sthisdeterminedbysth.
21.electtodosth.t55
22.leadsb.todosth.
23.attributetosb.归功于t21
24.likelihoodofsth.orlikelihoodthat
doyouthinkthereisanylikelihoodofhisagreeingtoit?
25.regardassth.,regardasdoingsthorsth.isregardedassth.;prizesthassth.t97;viewsthassth.t47;thinkofxasyt182;usesth.assth.
26.model…after…
27.prohibitsth.orprohibitsb.fromdoingsth.,没有prohibitsb.todosth.以及prohibitthat的结构t100,t127;forbidsb.todosth.;keep/preventsb.fromdoingsth.
28.proposedoingsth.orproposetodosth.orproposethat…
29.looktosb./sth.todosth.指望
30.encouragesth.orencouragesb.todosth.
31.despite/inspiteof后面不能够跟句子
32.belikelytodosth.,t70
33.beliable(可能)todosth.(一般为badoutcome),不能用beliablethat形式,t70
34.allowthat/allowfor/wemustallowhimtobeagoodteacher承认,allowsb.todosth.t90ce
35.neverbefore的用法:
neverbeforehadtaxpayersconfrontedsomanychangesatonceastheyconfrontedinthetaxreformactof1986.
36.somuchas用于否定句,asmuchas用于肯定句中p105,注意never不算否定句,t92
37.requiresb.todosth.,requireofsb.that,requirethat…,n+requiredofsb.todosth.t181,requireofsb.todo以及requiresb.that为错误的表达
38.ordersb.todosth.t121
39.owesth.tosb.t130
40.investmillionsofdollarsinresearchtodosth.(不是fordoing)t112
41.usesthassthorusesthtodosth.t120
42.one…another…t126;some…others…
43.substitutesth.forsth.t127
44.restitutiontosb.forsth.(表示原因)t130
45.equal以及equivalent不仅仅指数量相同,而且常常修饰un;as…manyas修饰cn.t132.eg.anequivalentamountofresistance,avolumeofwaterequaltothelakemichigan.
46.介词+which优于wheret137
47.suggestdoingsth.t160
48.considersth.sth.t65,79,154
49.requirethatxbey.t227
50.expectsb.todosth.,expectsth.tobe.,expectthat,expecttodosth.orexpectsth.
51.sth.isbelievedtodo.;believextobeyt9;sth.isexpectedtodosth.t131;xordersytodosth/be+过去分词orxordersthatydosth/be+过去分词
52.动词的名词形式+of+abyb可以做如下理解,b+动词+a;如requirementsofirrigationbyearlierhigh-yielding<I>var</I>ieties即earlierhigh-yielding<I>var</I>ietiesrequireirrigationt128
53.demand/mandate/proposethat+无should虚拟语气,(t142/t145);注意无demand/mandatesb.todosth.的用法
54.contendthat不要虚拟语气t157,t229,没有contendatodob的结构
55.onconditionthat虚拟语气(无should)
56.asif/asthough表示虚拟语气,不能与as对换.t180
57.mistakexforyt150
58.eat为级物动词t151
59.with与have表示表示拥有(possess)t158,t165
60.underlie-underlay-underlain
t11.rate表示pricescharged的时候用ratesforsth.的结构t13.eg.soaringratesforliabilityinsurance.
61.estimatesth.tobe…yearsoldt14.
63.distinguishbetweenxandy.t15
64.withoutdoingsth/sth.不要在without与doing之间加任何东西t15
65attributesth.tosth.
66.beknowntodosth.t49,又如ihaveknownhimtorunfasterthanthat…
67.bedifficulttodosth,t26,t103,不能够说sb.isdifficult.
68.inthecomingmonth而非into如theeconomywillcontinuetoexpandinthecomingmonth.t28
69.noless…than,而非nonetheless..than,也非noless…ast30
70.admittosth.承认.t31
72.amethodofdoingsth而非todo/doingsth.,t39
73.worryaboutsth.
74.rangefromsth.tosth.orawiderangeofsth.t58/t77
.density是一个population的特征,而非一个个体的属性,且与great连用.t161
75.provided(that)假若.
youmaykeepthebookafurtherweekprovided(that)nooneelserequiresit.
76.itisbettertousethesingularinreferringtoananatomicalfeaturecommontoanentirespecies.t176
asaresultoftheground-breakingworkofbarbaramcclintock,manyscientistsnowbelievethatalloftheinformationencodedin50.000to100.000ofthedifferentgenesfoundinahumancellarecontainedinmerelythreepercentofthecell'sdna.
(a)50,000to100,000ofthedifferentgenesfoundinahumancellarecontainedinmerely
(b)50,000to100,000ofthehumancell'sdifferentgenesarecontainedinamere
(c)the50,000to100,000differentgenesfoundinhumancellsarecontainedinmerely
(d)50,000to100,000ofhumancells'differentgenesiscontainedinmerely
(e)the50,000to100,000differentgenesfoundinahumancelliscontainedinamere
77.persuadesb.todostht177
78.thesameyearthatt174
79.xiswhy…(错),xisthereasonwhy…罗索t177
80.helptodosth.t177
81.insteadofdoingsth.
82.targetatsb.(非to)t195
83.researchtodosth.t112
84.damage作为名词的时候,用法为damagetosth.;有些题目中把damage作为名词使用,往往缺少介词to,结果就未能表示一个事物毁坏了另外一个事物的意义,t125ce。
85.necessityof,t242
其他
1.原文的语气不要轻易改变,如原文表示让步的语气(however=nomatterhow…t10)/表示强调(如倒装某部分以示强调,t10;如双重否定以示强调t51)等.
2.根据主动与被动语态来选择答案的话是一个很弱的条件,一般应首先考虑语法、结构、句意等。
t61,t200
3.iftheperiodoftimecoveredbeganandendedinthepast,theverbshouldbeinthesimplepasttense.t203
4.注意目的状语与原因状语、结果状语(so…that…与soas...to…的区别,t67;such…that…,t29;)不要搞混,for表示原因,to表示目的.t204.
5.被动语态如有动作发出者,要明白从逻辑上说这是不是真正的动作发出者.t204-d
8.注意限定性定语从句与非限定性定语从句的区别t234,t258,介词短语相当于限定性定语从句t141.
9.情态动词can,may,would(表示虚拟)等(t10,t152,t159),表示程度的副词just(t54,t60,t91)与some(大约,t29)等副词,不要随便添加和删除t25,t93,t159,t10.但是如果前文已有类似词义的词出现,则要去掉该情态动词t237
10.populationchange不如changeinpopulation准确[新东方总结:
n+nvs.n+介词+名词,选用后者]t239
11.在通常情况下,定语从句中无意义的that必须省掉(例外:
t243),而宾语从句中的that必须有,而且宾语从句要用陈述语气t93,t9,t16;
12.would用来修饰一个promisedbutnotcertain的动作,不能用来修饰一个已知的事实t260
13.定语从句应该搞清楚被修饰成分.
.withitsplantodevelopsevenandahalfacresofshoreland,clevelandisbutoneofalargenumberofcommunitiesonthegreatlakesthatislookingtoitswaterfrontasawaytoimprovethequalityofurbanlifeandattractnewbusinesses.
(a)islookingtoitswaterfrontasawaytoimprovethequalityofurbanlifeandattract
(b)islookingatitswaterfronttoimprovethequalityofurbanlifeandattract
(c)arelookingtotheirwaterfrontstoimprovethequalityofurbanlifeandattract
(d)arelookingtoitswaterfrontasawayofimprovingthequalityofurbanlifeandattracting
(e)arelookingattheirwaterfrontsasawaytheycanimprovethequalityofurbanlifeandattract
14.注意句中独立的介词短语、形容词短语、副词短语是否有正确的修饰对象.t2(b,e中独立的abo
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