电大学位大学英语复习资料整理版.doc

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1、Fingerprints,oneofthegreatdecidersofinnocenceorguiltincriminalcharges,arenowbeingplacedindoubt.Thisisbecauseofagrowingnumberofclaimsfromdefendantsthattheir“prints”havebeen“lifted”andplantedatscenesofcrimes.Andtheseallegations（主张，断言）arebeingtakenseriouslybylawyers,judge

2、s,andpolicemenbecauseitispossibletomoveafingerprintfromonespotandplaceitelsewhere.Acommitteeoflawyersismakinganinvestigationintofingerprinting.Theyarenotaimingtoestablishiftheseallegationsaretrueornot,buttheyarequestioningcurrentfingerprintingmethodsaspartofageneralinq

3、uiryintoscientificevidence.Howcanafingerprintbetransferred?Afingermarkleftonagreasy(油污的)glassorsomeothersmoothsurfacecanbe“lifted”withastripofadhesive(胶粘剂).Itcanthenbedepositedonanother,perhapsincriminating,object.Before1973,fingerprintsatthesceneofacrimeusedtobephotog

4、raphedforidentificationpurposesandtheobjectscarryingtheprintswereshownincourtaswell.However,thisisnolongernecessary.Since1973,anewmethodoftakingprintshasbeenused.Policeexpertscannowuseastripofadhesivetapeto“lift”aprintwhichisthenproducedincourtasevidence.Asaresult,crim

5、inalsareaccusingthepoliceofliftingtheirprintsandplantingthematthethesceneofacrime.Andlawyersareworriedaboutthisincreasingnumberofclaims.Accordingtotheex-chiefofScotlandYard’sfingerprintdepartment,Mr.HaroldSquires,morethan55ofthecaseshenowgetsaremakingtheseclaims.Butsof

6、arhehasnotseenanyfingerprintevidencethatprovestheallegationstobetrue.Liftingamarkandputtingitonanotherobjectrequiresgreatskillandtrouble.It'salmostimpossiblebutitcanbedone.Itcanusuallybeeasilydetectedbyexperts,butthereisachancethatevenexpertsmaynotbeabletotell.Sohewoul

7、dliketheoldmethodofphotographingprintsandproducingthentogetherwiththeobjectstobegenerallyusedagain.1.Accordingtothepassage,fingerprintshavebeenregardedas_______ofasuspectedcriminal'sinnocenceofguilt.B.akeyproof2.Thepurposeoftheinvestigationbeingmadebyacommitteeoflawyer

8、sis________.D.toinquireintothereliabilityofpresentfingerprintingmethods3.Since1973______.B.policefingerprintingmethod