常用词缀和词根

更多资料，备考秘籍，培训咨询请联系：[e-mail]11221HowWordPartsWorkOVERVIEW•Learnhowwordsarebuilt•Learnhowwordpartswork•LearncommonwordpartstoboostyourSATvocabulary•PracticeyourskillswithwordpartsexercisesTheSATisn’taspellingtest,anditisn’ta“vocabularybee.”Itis,however,atestofhowmuchyouknowaboutvocabulary—howwordsareformedandthemeaningsoftheirparts.Ifyouwanttoincreasethatknowledge(andincreaseyourscore),you’llwanttolearnaboutthestructureofwords.ThiswillhelpyoufigureoutthemeaningsofunfamiliarwordsyoucomeacrossintheverbalsectionoftheSAT.Inthischapter,youlearnthebasicsofhowwordsarebuilt,whatwordpartsmean,andhowtheyworktogether.You’llalsogetacrash-courselistofcommonwordpartsthatwillhelpyouunderstandthemeaningsofwordsyoumayencounter(maybeforthefirsttime)ontheSAT.Theexercisesattheendofthischapterhelpyoupracticeyourvocabularyskills,soyou’llbereadytoscorehighontheverbalsectionsoftheSAT.HOWWORDSAREBUILTKnowingwhatthepartsofwordsmeanisthekeytodecipheringwordsyou’veneverseenbefore.Let’stakealookatthewordbiographyanditsparts.Youknowthatabiographyissomethingwrittenaboutaperson’slife.Howdothewordpartstellyouthis?Well,thesecondpartoftheword,graphy,comesfromaGreekwordthatmeans“writing.”Thefirstpartoftheword,bio,isalsofromGreekanditmeans“life.”Putthembothtogetherandyouget...biography,thestoryofaperson’slife.IfyouaddtheLatinwordfor“self”—auto—youget...autobiogra-phy,astoryyouwriteaboutyourownlife.Thinkaboutsomeotherwordsthatuseoneormoreoftheseparts,likeautomobile,biochemistry,andautograph.Canyouseehowthemeaningfitsthewordparts?更多资料，备考秘籍，培训咨询请联系：[e-mail]222PARTV:SATVocabularyPrepCourse’rewellonyourwaytorecognizingthemeaningoftheword.THETHREEBASICWORDPARTSANDHOWTHEYWORKDifferentkindsofwordpartsworktogethertomakeafullyfunctioningword.Thinkaboutit:Ifyourcarisgoingtodomorethanjustsitthere,itneedsacollectionofpartsputtogetherintherightway.Twosteeringwheelswon’tdoyouanygoodifyoudon’thaveagastank.Eachkindofwordparthasaspecificpurpose.Therearethreebasictypesofwordparts:Prefixes—Thesepartsattachtothebeginningofarootwordtoalteritsmeaningorcreateanewword.Suffixes—Thesepartsattachtotheendofarootwordtochangeitsmeaning,helpmakeitgrammaticallycorrectincontext,orformanewword.Roots—Thebasicelementofawordthatdeterminesitsmeaning.Groupsofwordsfromthesamerootwordarecalledwordfamilies.Awordcanhavearoot,aprefix,andasuffix;itcanhavearootandtwosuffixesorarootandoneprefix.Thepossibilitiesareendless(almost),butyoumustalwayshavearoot.Usethewordlistthatfollowstoexpandyourwordhorizons.Onceyoubegintolearnthewordpartsonthelist,you’llbeabletotakeapartunfamiliarwordslikeamastermechanic.Asyoumakeyourwaythroughthelist,trytothinkofotherwordswiththesameparts.Ifyouhavetime,checktheirmeaningsinadictionaryandtakealookatthewordoriginsintheentry.更多资料，备考秘籍，培训咨询请联系：[e-mail]11:HowWordPartsWork223MastertheSAT—inbeda-,ab-,abs-from,awayabrade—wearoffabsent—away,notpresenta-,an-lacking,notasymptomatic—showingnosymptomsanaerobic—abletolivewithoutairac-,ad-,af-,ag-,al-,to,towardaccost—approachandan-,ap-,ar-,as-,at-speaktoadjunct—somethingaddedtoaggregate—bringto-getherambi-,amphi-around,bothambidextrous—usingbothhandsequallyamphibious—livingbothinwaterandonlandana-up,again,anew,throughoutanalyze—loosenup,breakupintopartsanagram—wordspelledbymixinguplettersofanotherwordante-beforeantediluvian—beforethefloodanti-againstantiwar—againstwararch-first,chiefarchetype—firstmodelauto-selfautomobile—self-movingvehiclebene-,ben-good,wellbenefactor—onewhodoesgooddeedsbi-twobilateral—two-sidedcircum-aroundcircumnavigate—sailaroundcom-,co-,col-,con-,cor-with,togetherconcentrate—bringclosertogethercooperate—workwithcollapse—falltogether更多资料，备考秘籍，培训咨询请联系：[e-mail]224PARTV:SATVocabularyPrepCourse—speakcounter-againstcounterclockwise—againsttheclockde-awayfrom,down,oppositeofdetract—drawawayfromdemi-halfdemitasse—halfcupdi-twice,doubledichromatic—havingtwocolorsdia-across,throughdiameter—measurementacrossdis-,di-not,awayfromdislike—tonotlikedigress—turnawayfromthesubjectdys-bad,poordyslexia—poorreadingequi-equalequivalent—ofequalvalueex-,e-,ef-from,outexpatriate—onewholivesoutsidehisorhernativecountryemit—sendoutextra-outside,beyondextraterrestrial—frombeyondtheearthfore-infrontof,previousforecast—tellaheadoftimeforeleg—frontleggeo-earthgeography—scienceoftheearth’ssurfacehomo-same,likehomophonic—soundingthesamehyper-toomuch,overhyperactive—overlyactivehypo-toolittle,underhypothermia—stateofhavingtoolittlebodyheatin-,il-,ig-,im-,ir-notinnocent—notguiltyignorant—notknowingillogical—notlogicalirresponsible—notresponsiblein-,il-,im-,ir-on,into,inimpose—placeoninvade—gointoPre