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1、科普英语快速阅读技巧B下面介绍几种通过上下文推断词义的行之有效的方法：连词动词tobe或tomean经常提供生词的确切含义。例如：(1)Dr.Cowingsisatypeofscientistknownasapsychophysiologist.Psychophysiologyisthestudyoftherelationshipbetweenmindandbody.(2)Thewordecologymeansthestudyofrelationshipbetweenlivingthingsandtheirenvironment.ItisderivedfromtwoGr
2、eekwordsmeaningthestudy(-logy)ofhome(eco-).Themeaningofecologyisappropriate,forallthingshaveaplaceorhomeinnature.Thishomeincludesthevariousphysicalconditionsinwhicheachlivingthinginteractsandsurvives,competesandcooperates.2.同位语往往给出生词的确切含义。(1)Dr.Lorenzisrecognizedasoneofthefoundersofethol
3、ogy,thestudyofanimalbehavior.(2)or有时作为连接词，引导同义词或同义短语。例如：Lipids,orfats,canbemeasuredinthelaboratory.(3)有时生词后面没有同位语，也没有给出定义的tobe，但是后面的句子表达了该词的确切意思。例如：Anotherhabitwhichcanslowyourreadingiscalled“subvocalization”.Inthiscaseyourlipsdonotmove,butyoustill“hear”eachwordinyourheadasyoureadsilentl
4、y.3.以下副词、短语“similarly”，“thatistosay”，“inotherwords”和“thatis”引出的句子有时重述前面生词的含义。例如：(1)Maryfeltperturbed;THATIS,shewasgreatlydisturbedbyhersister’sactions.(2)Throughalltheiryellingandscreamingsheremainedaloof,THATISTOSAY,shepaidthemnoattentionatall.4.句中出现的标点符号：逗号（,）、破折号（—）、冒号（:）、引号（“”）、括号（()
5、），是猜测词义的重要线索。例如：Nowtheymovefromcitytocityinvansandlimousines—bigcars—ratherthanwagonsandcarts.5.生词后面出现的定语从句往往解释了该词的词义。例如：Overthepastcenturies,theearthhasbeenstruckbymeteorites,whicharefragmentsfromotherpartsofthesolarsystem.6.利用生词后面出现的实例来判断该词的词义。例如：Doctorshavemadegreatprogressintreatinga
6、ndcuringmanyseriousillnesses.However,theyhavebeenunabletofindwaystopreventthemostcommonillness.Itseemsthatsuchmaladiesascolds,fevers,andsorethroatswillalwaysbeapartoflife.7.以下副词和短语，例如“however”，“ontheotherhand”，“instead”，“ratherthan”，“unlike”，“yet”，“but”能提供相反的信息，所以我们常常因此而确定某个生词的含义。例如：(1)F
7、redlikestospendhismoney.ONTHEOTHERHAND,Melisveryfrugal.Fredisusuallyacheerfulperson;HOWEVER,Melisusuallysullen.(2)RAHTERTHANlikingthemovie,asIexpectedthemto,allmyfriendsabhorredit.8.观察生词本身，构词法（合成、转化、派生）能帮助我们确定词义。例如：Hemadethemoneydishonestly.9.在“主语+动词（被动结构）+主语补语”结构中，主语与主补互
