七选五练习题29

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1、七选五练习题—、29.Scientistsandexpertshaveprovedtheuniquenessoffingerprintsanddiscoveredthatnoexactlysimilarpatternispassedonfromparentstochildren,thoughnobodyknowswhythisisthecase.Theridge()structureonaperson'sfingersdoesnotchangewithgrowthandisnotaffectedbysurfaceinjuries.Burns,cutsandothe

2、rdamagetotheouterpartoftheskinwillbereplacedintimebyanewone.whichbearsareproductionoftheoriginalpattern.30.Somecriminalsmakeuseofthisfacttoremovetheirownfingerprintsbutthisisadangerousandraresteptotake.Fingerprintscanbemadeveryeasilywiththeprinter'sink.Theycanberecordedeasily.31.Becau

3、seofthesimplicPtyandeconomyofthissystem,fingerprintshaveoftenbeenusedasamethodofsolvingthecriminalcase.Asuspectedmanmaydenyachargebut:thismaybeinvain.32.Whenasuspectleavesfingerprintsbehindatthesceneofacrime,theyaredifficulttodetectwiththenakedeye.33.Someofthemarksfoundareincompletebu

4、tidentificationispossibleifaprintofaquarterofaninchsquarecanbeobtained.A.Specialtechniquesareusedto"develop^them.B.Afingerprintisanimpressionoftheridgestructure.C.Itisonlywhentheinnerskinisinjuredthatthearrangementwillbedestroyed.C.Withspecialmethods,identificationcanbeachievedsuccess

5、fullywithinashorttime.D.Somecriminalsmayleavetheirfingerprintsatthesceneofacrime.A.Hisfingerprintscanprovewhoheisevenifhisappearancehasbeenchangedbyageoraccident.F・Everyhumanbeinghasauniquearrangementoftheskinonhisfingersandthisarrangementisunchangeable.二、Somesimplekeystotransformyour

6、lifeThepowerofchoices.Everyoneofusmakescoun七lesschoiceseveryday.Everychoicewemakehasanimpactonourlives.16.Whenhungerstrikes,wecanreachforahealthy,nutritioussnack,orwecanchoosethesugarhighofjunkfood.Themoreimportantthedecision,thegreateritseffect.Forinstance,howdoIacttowardsthatpersonw

7、hotreatedmebadly?DoIgenerallychoosetobepassive,ordoIactivelysetclearirrtentionsandcreatewhatIwan七inmylife?Everychoicewemake,howeverbigorsmall,affec七susinsomeway.17.Ifyouarei门七erestedinlivingaricher,fullerlife,thereisafoundationuponwhichyoucanbaseallofyourdecisionswhichcanmakelifebette

8、rnoto