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下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断：如果该句提供的是正确信息，请选择A；如果该句提供的是错误信息，请选择B；如果该句的信息文中没有提及，请选择C。 ? ?...
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Somethingsweknowaboutlanguage Manythingsaboutlanguageareamysteryandmanywillalwaysremainso.Butsomethingswedoknow. Firstweknowthatallhumanbeingshavealanguageofsomesort.Thereisnoraceofmenanywhereonearthsobackwardthatithasnolanguagenosetofspeechsoundsbywhichthepeoplecommunicatewithonemother.Furthermoreinhistoricaltimestherehasneverbeenaraceofmenwithoutalanguage. Secondthereisnosuchthingasaprimitivelanguage.Therearemanypeoplewhoseculturesareundevelopedwhoareaswesayuncivilizedbutthelanguagestheyspeakarenotprimitive.Inallknown1anguageswecanseecomplexitiesthatmusthavebeentensofthousandsofyearsindeveloping. Thishasnotalwaysbeenwellunderstood;indeedthedirectcontraryhasoftenbeenstated.PopularideasofthelanguageoftheAmericanIndianswillillustrate.ManypeoplehavesupposedthattheIndianscommunicatedinaveryprimitivesystemofnoises.Studyhasprovedthistobenonsense.ThereareorwerehundredsofAmericanIndianlanguagesandallofthemturnouttobeverycomplicatedandveryold.TheyarecertainlydifferentfromthelanguagesthatmostofusarefamiliarwithbuttheyarenomoreprimitivefivethanEnglishandGreek. Athirdthingweknowaboutlanguageisthatalllanguagesareperfectlyadequate.Thatiseachoneisaperfectmeansofexpressingthecultureofthepeoplewhospeakthelanguage. Finallyweknowthatlanguagechanges.Itisnaturalandnormalforlanguagetochange;theonlylanguageswhichdonotchangearethedeadones.Thisiseasytounderstandifwelookbackwardintime.Changegoesoninallaspectsoflanguage.Grammaticalfeatureschangeasdospeechsoundsandchangesinvocabularyaresometimesveryextensiveandmayoccurveryrapidly.Vocabularyistheleaststablepartofanylanguage. race/n.种族 primitive/adj.原始的 uncivilized/adj.不开化的落后的 complexity/n.复杂性复杂现象 nonsense/n.胡说没有根据的话 vocabulary/n.词汇 TheauthorhasusedAmericanIndianlanguagesasanexampletoshowthattheyare______.
DefectiveGenesandHumanHealth Eachofuscarriesabouthalfadozendefective有缺点的genes.Weremainblissfully快乐地unawareofthisfactunlessweoroneofourcloserelativesareamongstthemanymillionswhosufferfromageneticdisease.Aboutoneintenpeoplehasorwilldevelopatsomelaterstageaninherited遗传的geneticdisorderandapproximately2800specificconditionsareknowntobecausedbydefectsmutationsinjustoneofthepatient’’sgenes.Somesinglegenedisordersarequitecommon-—cystic胞状的fibrosis纤维化isfoundinoneoutofevery2500babiesbornintheWesternWorld—andintotaldiseasesthatcanbetracedtosinglegenedefectsaccountforabout5%ofalladmissionstochildren’’shospitals. Mostofusdonotsufferanyharmfuleffectsfromourdefectivegenesbecausewecarrytwocopiesofnearlyallgenesonederivedfromourmotherandtheotherfromourfather.Theonlyexceptionstothisrulearethegenesfoundonthemalesexchromosomes染色体MaleshaveoneXandoneYchromosometheformerfromthemotherandthelatterfromthefathersoeachcellhasonlyonecopyofthegenesonthesechromosomes.Inthemajorityofcasesonenormalgeneissufficienttoavoidallthesymptomsofdisease.Ifthepotentiallyharmfulgeneisrecessive后退的thenitsnormalcounterpart配对的willcarryoutallthetasksassignedtoboth.Onlyifweinheritfromourparentstwocopiesofthesamerecessivegenewilladiseasedevelop. Ontheotherhandifthegeneisdominant显性的italonecanproducethediseaseevenifitscounterpartisnormal.Clearlyonlythechildrenofaparentwiththediseasecanbeaffectedandthenaverageonlyhalfthechildrenwillbeaffected.Huntington’’schorea舞蹈病aseverediseaseofthenervoussystemwhichbecomesapparentonlyinadulthoodisanexampleofadominantgeneticdisease. FinallytherearetheXchromosome-linkedgeneticdiseases.Asmaleshaveonlyonecopyofthegenesfromthischromosometherearenoothersavailabletofulfillthedefectivegene’’sfunction.ExamplesofsuchdiseasesareDuchennemusculardystrophy营养不良andperhapsmostwellknownofallhemophilia血友病. QueenVictoriawasacarrierofthedefectivegeneresponsibleforhemophiliaandthroughheritwastransmittedtotheroyalfamiliesofRussiaSpainandPrussia.MinorcutsandbruiseswhichwoulddolittleharmtomostpeoplecanprovefataltohemophiliacswholacktheproteinsFactorsVIIIandIV凝血因子VIII和IVinvolvedintheclotting血凝结ofbloodwhicharecodedforbythedefectivegenes.Sadlybeforetheseproteinsweremadeavailablethroughgeneticengineeringhemophiliacsweretreatedwithproteinsisolatedfromhumanblood.Someofthisbloodwascontaminated污损withtheAIDSvirusandhasresultedintragic悲惨的consequencesformanyhemophiliacs.Useofgeneticallyengineeredproteinsintherapeuticapplicationsratherthanbloodproductswillavoidtheseproblemsinthefuture. Notalldefectivegenesnecessarilyproducedetrimental有害的effectssincetheenvironmentinwhichthegeneoperatesisalsoofimportance.Aclassicexampleofageneticdiseasehavingabeneficialeffectonsurvivalisillustratedbytherelationshipbetweensickle-cell镶形血球anemia贫血症andmalaria疟病.Onlyindividualshavingtwocopiesofthesickle-cellgeneandonenormalgeneareunaffectedandmoreimportantlyareabletoresistinfection传染bymalarialparasites寄生虫.Theclearadvantageinthiscaseofhavingonedefectivegeneexplainswhythisgeneiscommoninpopulationsinthoseareasoftheworldwheremalariaisendemic特有的. WhichofthefollowingstatementsongenesanddiseasesisNOTTRUE?
DefectiveGenesandHumanHealth Eachofuscarriesabouthalfadozendefective有缺点的genes.Weremainblissfully快乐地unawareofthisfactunlessweoroneofourcloserelativesareamongstthemanymillionswhosufferfromageneticdisease.Aboutoneintenpeoplehasorwilldevelopatsomelaterstageaninherited遗传的geneticdisorderandapproximately2800specificconditionsareknowntobecausedbydefectsmutationsinjustoneofthepatient’’sgenes.Somesinglegenedisordersarequitecommon-—cystic胞状的fibrosis纤维化isfoundinoneoutofevery2500babiesbornintheWesternWorld—andintotaldiseasesthatcanbetracedtosinglegenedefectsaccountforabout5%ofalladmissionstochildren’’shospitals. Mostofusdonotsufferanyharmfuleffectsfromourdefectivegenesbecausewecarrytwocopiesofnearlyallgenesonederivedfromourmotherandtheotherfromourfather.Theonlyexceptionstothisrulearethegenesfoundonthemalesexchromosomes染色体MaleshaveoneXandoneYchromosometheformerfromthemotherandthelatterfromthefathersoeachcellhasonlyonecopyofthegenesonthesechromosomes.Inthemajorityofcasesonenormalgeneissufficienttoavoidallthesymptomsofdisease.Ifthepotentiallyharmfulgeneisrecessive后退的thenitsnormalcounterpart配对的willcarryoutallthetasksassignedtoboth.Onlyifweinheritfromourparentstwocopiesofthesamerecessivegenewilladiseasedevelop. Ontheotherhandifthegeneisdominant显性的italonecanproducethediseaseevenifitscounterpartisnormal.Clearlyonlythechildrenofaparentwiththediseasecanbeaffectedandthenaverageonlyhalfthechildrenwillbeaffected.Huntington’’schorea舞蹈病aseverediseaseofthenervoussystemwhichbecomesapparentonlyinadulthoodisanexampleofadominantgeneticdisease. FinallytherearetheXchromosome-linkedgeneticdiseases.Asmaleshaveonlyonecopyofthegenesfromthischromosometherearenoothersavailabletofulfillthedefectivegene’’sfunction.ExamplesofsuchdiseasesareDuchennemusculardystrophy营养不良andperhapsmostwellknownofallhemophilia血友病. QueenVictoriawasacarrierofthedefectivegeneresponsibleforhemophiliaandthroughheritwastransmittedtotheroyalfamiliesofRussiaSpainandPrussia.MinorcutsandbruiseswhichwoulddolittleharmtomostpeoplecanprovefataltohemophiliacswholacktheproteinsFactorsVIIIandIV凝血因子VIII和IVinvolvedintheclotting血凝结ofbloodwhicharecodedforbythedefectivegenes.Sadlybeforetheseproteinsweremadeavailablethroughgeneticengineeringhemophiliacsweretreatedwithproteinsisolatedfromhumanblood.Someofthisbloodwascontaminated污损withtheAIDSvirusandhasresultedintragic悲惨的consequencesformanyhemophiliacs.Useofgeneticallyengineeredproteinsintherapeuticapplicationsratherthanbloodproductswillavoidtheseproblemsinthefuture. Notalldefectivegenesnecessarilyproducedetrimental有害的effectssincetheenvironmentinwhichthegeneoperatesisalsoofimportance.Aclassicexampleofageneticdiseasehavingabeneficialeffectonsurvivalisillustratedbytherelationshipbetweensickle-cell镶形血球anemia贫血症andmalaria疟病.Onlyindividualshavingtwocopiesofthesickle-cellgeneandonenormalgeneareunaffectedandmoreimportantlyareabletoresistinfection传染bymalarialparasites寄生虫.Theclearadvantageinthiscaseofhavingonedefectivegeneexplainswhythisgeneiscommoninpopulationsinthoseareasoftheworldwheremalariaisendemic特有的. thediseasepara.7refersto______.
MostAdultsinU.S.HaveLowRiskofHeartDisease Morethan80percentofUSadultshavealessthan10percentriskofdevelopingheartdiseaseinthenext10yearsaccordingtoareportintheJournaloftheAmericanCollegeofCardiology.Just3percenthaveariskthatexceeds20percent. IhopethatthesenumberswillgivephysiciansresearchershealthpolicyanalystsandothersabetterideaofhowcoronaryheartdiseaseisdistributedintheUSpopulationleadauthorDr.EarlS.FordfromtheCentersforDiseaseControlandPreventioninAtlantasaidinastatement. Thefindingsarebasedonanalysisofdatafrom13769subjectsbetween20and79yearsofagewhoparticipatedintheThirdNationalHealthandNutritionExaminationSurveyfrom1988to1994. Overall82percentofadultshadariskoflessthan10percent15percenthadariskthatfellbetween10to20percentand3percenthadariskabove20percent. Theproportionofsubjectsinthehighestriskgroupincreasedwithadvancingageandmenweremorelikelythanwomentobeinthisgroup.Bycontrastraceorethnicityhadlittleeffectonriskdistributions. Althoughthereportsuggeststhatmostadultshavealow10-yearriskofheartdiseasealargeproportionhaveahighorimmediateriskDr.DanielS.BermanfromCedars-SinaiMedicalCenterinLosAngelesandDr.NathanD.WongfromtheUniversityofCaliforniaatIrvinenoteinarelatededitorial. Aggressivetreatmentmeasuresandpublichealthstrategiesareneededtoshifttheoverallpopulationriskdownwardtheyadd. Elderlypeoplehaveahigherriskofheartdiseasethanyoungerpeople.
MostAdultsinU.S.HaveLowRiskofHeartDisease Morethan80percentofUSadultshavealessthan10percentriskofdevelopingheartdiseaseinthenext10yearsaccordingtoareportintheJournaloftheAmericanCollegeofCardiology.Just3percenthaveariskthatexceeds20percent. IhopethatthesenumberswillgivephysiciansresearchershealthpolicyanalystsandothersabetterideaofhowcoronaryheartdiseaseisdistributedintheUSpopulationleadauthorDr.EarlS.FordfromtheCentersforDiseaseControlandPreventioninAtlantasaidinastatement. Thefindingsarebasedonanalysisofdatafrom13769subjectsbetween20and79yearsofagewhoparticipatedintheThirdNationalHealthandNutritionExaminationSurveyfrom1988to1994. Overall82percentofadultshadariskoflessthan10percent15percenthadariskthatfellbetween10to20percentand3percenthadariskabove20percent. Theproportionofsubjectsinthehighestriskgroupincreasedwithadvancingageandmenweremorelikelythanwomentobeinthisgroup.Bycontrastraceorethnicityhadlittleeffectonriskdistributions. Althoughthereportsuggeststhatmostadultshavealow10-yearriskofheartdiseasealargeproportionhaveahighorimmediateriskDr.DanielS.BermanfromCedars-SinaiMedicalCenterinLosAngelesandDr.NathanD.WongfromtheUniversityofCaliforniaatIrvinenoteinarelatededitorial. Aggressivetreatmentmeasuresandpublichealthstrategiesareneededtoshifttheoverallpopulationriskdownwardtheyadd. Only3percentofUSadultshaveamorethan10percent10-yearriskofheartdisease.
DefectiveGenesandHumanHealth Eachofuscarriesabouthalfadozendefective有缺点的genes.Weremainblissfully快乐地unawareofthisfactunlessweoroneofourcloserelativesareamongstthemanymillionswhosufferfromageneticdisease.Aboutoneintenpeoplehasorwilldevelopatsomelaterstageaninherited遗传的geneticdisorderandapproximately2800specificconditionsareknowntobecausedbydefectsmutationsinjustoneofthepatient’’sgenes.Somesinglegenedisordersarequitecommon-—cystic胞状的fibrosis纤维化isfoundinoneoutofevery2500babiesbornintheWesternWorld—andintotaldiseasesthatcanbetracedtosinglegenedefectsaccountforabout5%ofalladmissionstochildren’’shospitals. Mostofusdonotsufferanyharmfuleffectsfromourdefectivegenesbecausewecarrytwocopiesofnearlyallgenesonederivedfromourmotherandtheotherfromourfather.Theonlyexceptionstothisrulearethegenesfoundonthemalesexchromosomes染色体MaleshaveoneXandoneYchromosometheformerfromthemotherandthelatterfromthefathersoeachcellhasonlyonecopyofthegenesonthesechromosomes.Inthemajorityofcasesonenormalgeneissufficienttoavoidallthesymptomsofdisease.Ifthepotentiallyharmfulgeneisrecessive后退的thenitsnormalcounterpart配对的willcarryoutallthetasksassignedtoboth.Onlyifweinheritfromourparentstwocopiesofthesamerecessivegenewilladiseasedevelop. Ontheotherhandifthegeneisdominant显性的italonecanproducethediseaseevenifitscounterpartisnormal.Clearlyonlythechildrenofaparentwiththediseasecanbeaffectedandthenaverageonlyhalfthechildrenwillbeaffected.Huntington’’schorea舞蹈病aseverediseaseofthenervoussystemwhichbecomesapparentonlyinadulthoodisanexampleofadominantgeneticdisease. FinallytherearetheXchromosome-linkedgeneticdiseases.Asmaleshaveonlyonecopyofthegenesfromthischromosometherearenoothersavailabletofulfillthedefectivegene’’sfunction.ExamplesofsuchdiseasesareDuchennemusculardystrophy营养不良andperhapsmostwellknownofallhemophilia血友病. QueenVictoriawasacarrierofthedefectivegeneresponsibleforhemophiliaandthroughheritwastransmittedtotheroyalfamiliesofRussiaSpainandPrussia.MinorcutsandbruiseswhichwoulddolittleharmtomostpeoplecanprovefataltohemophiliacswholacktheproteinsFactorsVIIIandIV凝血因子VIII和IVinvolvedintheclotting血凝结ofbloodwhicharecodedforbythedefectivegenes.Sadlybeforetheseproteinsweremadeavailablethroughgeneticengineeringhemophiliacsweretreatedwithproteinsisolatedfromhumanblood.Someofthisbloodwascontaminated污损withtheAIDSvirusandhasresultedintragic悲惨的consequencesformanyhemophiliacs.Useofgeneticallyengineeredproteinsintherapeuticapplicationsratherthanbloodproductswillavoidtheseproblemsinthefuture. Notalldefectivegenesnecessarilyproducedetrimental有害的effectssincetheenvironmentinwhichthegeneoperatesisalsoofimportance.Aclassicexampleofageneticdiseasehavingabeneficialeffectonsurvivalisillustratedbytherelationshipbetweensickle-cell镶形血球anemia贫血症andmalaria疟病.Onlyindividualshavingtwocopiesofthesickle-cellgeneandonenormalgeneareunaffectedandmoreimportantlyareabletoresistinfection传染bymalarialparasites寄生虫.Theclearadvantageinthiscaseofhavingonedefectivegeneexplainswhythisgeneiscommoninpopulationsinthoseareasoftheworldwheremalariaisendemic特有的. Wecaninferfrompara.4that______.
{{*HTML*}}? ?阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提供的是正确信息请选A如果该句提供的是错误信息请选B如果该句的信息文章中没有提及请选C ??????? ?????{{B}}MotherNatureShowsHer Strength{{/B}}??Tornadoes龙卷风andheavythunderstormsmoved acrosstheGreatLakesandintoTrumbullCountyonSaturdayevening.Thestorms weredramaticanddangerous.??GeorgeSnyderwasdrivingthefire truckdownRoute88whenhefirstnoticedthatafunnel漏斗状的cloudwasbehind him.Istoppedthetruckandwatchedthefunnelcloud.Itwasabout100feet offthegroundandIsawitgoupanddownforawhile.Itwasmovingtoward BradleyRoadandthensuddenlyitdisappearedSnydersaid.? ?Snyderonlysawoneofthefunnelcloudsthatpassedthroughnortheastern OhioonSaturday.InTrumbullCountyatornadoturnedtreesontotheirsides. Sometreesfellontohousesandcars.Othertreesfellintotelephoneand electricalwiresastheywentdown.??AmandaSymcheckwashavinga partywhenthestormbegan.1knewsomethingwaswrongshesaid.Isawthe skygogreenandpink粉红色.Thenitsoundedlikeatrainrushingtowardthe house.Istartedcryingandtoldeveryonetogotothebasementfor protection.??Thetornadocausedalotofdamagetocarsand housesinthearea.Itwilltakealongtimeandmuchmoneytorepair everything.Therewasalsoseriouswaterdamagefromthethunderstorms.The heavyrainsandhighwindcausedthepowertogooutinmanyhomes.? ?Thestormscausedseriousfloodinginareasneartheriver.Morethanfour inchesofrainfellinpartsofTrumbullCounty.Theriverwassohighthatthe waterranintostreetsandhouses.Manystreetshadtobeclosedtocarsand trucksbecauseofthehighwater.Thismadeitdifficultforfiretruckspolice carsandotherrescuevehiclestohelppeoplewhowereintrouble.? ?Manypeoplewholiveneartheriverhadtoleavetheirhomesfortheirown safety.Somepeoplereportedfivefeetofwaterintheirhomes.Localandstate officialsopenedemergencysheltersforthepeoplewhowereevacuated撤走.The RedCrossservedmealstothem.??Thiswasareallyintense stormsaidSnyder.Peoplewereafraid.MotherNaturecanbefierce.Wewere luckythistime.Noonewaskilled.GeorgeSnyderwasafirefighter.
{{*HTML*}}? ?阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提供的是正确信息请选A如果该句提供的是错误信息请选B如果该句的信息文章中没有提及请选C ??????? ?????{{B}}MotherNatureShowsHer Strength{{/B}}??Tornadoes龙卷风andheavythunderstormsmoved acrosstheGreatLakesandintoTrumbullCountyonSaturdayevening.Thestorms weredramaticanddangerous.??GeorgeSnyderwasdrivingthefire truckdownRoute88whenhefirstnoticedthatafunnel漏斗状的cloudwasbehind him.Istoppedthetruckandwatchedthefunnelcloud.Itwasabout100feet offthegroundandIsawitgoupanddownforawhile.Itwasmovingtoward BradleyRoadandthensuddenlyitdisappearedSnydersaid.? ?Snyderonlysawoneofthefunnelcloudsthatpassedthroughnortheastern OhioonSaturday.InTrumbullCountyatornadoturnedtreesontotheirsides. Sometreesfellontohousesandcars.Othertreesfellintotelephoneand electricalwiresastheywentdown.??AmandaSymcheckwashavinga partywhenthestormbegan.1knewsomethingwaswrongshesaid.Isawthe skygogreenandpink粉红色.Thenitsoundedlikeatrainrushingtowardthe house.Istartedcryingandtoldeveryonetogotothebasementfor protection.??Thetornadocausedalotofdamagetocarsand housesinthearea.Itwilltakealongtimeandmuchmoneytorepair everything.Therewasalsoseriouswaterdamagefromthethunderstorms.The heavyrainsandhighwindcausedthepowertogooutinmanyhomes.? ?Thestormscausedseriousfloodinginareasneartheriver.Morethanfour inchesofrainfellinpartsofTrumbullCounty.Theriverwassohighthatthe waterranintostreetsandhouses.Manystreetshadtobeclosedtocarsand trucksbecauseofthehighwater.Thismadeitdifficultforfiretruckspolice carsandotherrescuevehiclestohelppeoplewhowereintrouble.? ?Manypeoplewholiveneartheriverhadtoleavetheirhomesfortheirown safety.Somepeoplereportedfivefeetofwaterintheirhomes.Localandstate officialsopenedemergencysheltersforthepeoplewhowereevacuated撤走.The RedCrossservedmealstothem.??Thiswasareallyintense stormsaidSnyder.Peoplewereafraid.MotherNaturecanbefierce.Wewere luckythistime.Noonewaskilled.Powersupplysystemwasnotdamagedduringthestorm.
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ASmallEvent OneafternooninJanuary1989SuzanSharp43andher8-year-oldsonDavidwerewalkinghardacrossanicyparkinglotwhenSuzan’’scane手杖slidontheice.She【51】facefistintothemud.David【52】toherside.AreyouallrightMom? 【53】Suzanputherselfup.I’’mokayhoney.shesaid. IthadbeennearlytwoyearssinceSuzanhadtroublewalking.Shewasfallingmore【54】now.Everyinchoficewasa【55】dangerforher.Icoulddosomethingtheboythought. Davidtoowashaving【56】ofhisown.Theboyhadaspeechdefect.Atschoolhe【57】askedquestionsorreadaloud. OnedayDavidsteacherannounceda【58】assignment.Eachofyouisgoingtocomeupwithaninventionshesaid.ThiswasforINVENTAMERICA!anationalcompetitiontoencouragecreativityin【59】.AnideahitDavidoneevening.【60】onlyhismotherscanedidn’tsliponicehethought.That’’sit!Davidrealized. WhatifIfixedyourcanetoanailstretchedoutofthebottom?heaskedhismother.Hismothertoldhim【61】itwouldscratchfloors. Itlookslikeaball-pointpen.Youtakeyourhand【62】thebuttonandthenailreturnsbackup.Hourslaterthecanewasfinished.DavidandhisfatherJeff【63】asSuzanusedittowalk50feetacrossthe【64】. Itworks!shesaid.InJuly1989DavidwasdeclarednationalwinnerattheannualINVENTAMERICA!ceremonyinWashingtonD.C.. AsDavidbegantomake【65】appearanceshewasforcedtocommunicatemoreclearly.TodayDavidisnearlyfreeofhiscanewhichiswaitingtobewidelyused. Sotheboywhooncehadtroubletalkingnowhopestostartmakingcanesforpeoplewhohavetroublewalking.
MostAdultsinU.S.HaveLowRiskofHeartDisease Morethan80percentofUSadultshavealessthan10percentriskofdevelopingheartdiseaseinthenext10yearsaccordingtoareportintheJournaloftheAmericanCollegeofCardiology.Just3percenthaveariskthatexceeds20percent. IhopethatthesenumberswillgivephysiciansresearchershealthpolicyanalystsandothersabetterideaofhowcoronaryheartdiseaseisdistributedintheUSpopulationleadauthorDr.EarlS.FordfromtheCentersforDiseaseControlandPreventioninAtlantasaidinastatement. Thefindingsarebasedonanalysisofdatafrom13769subjectsbetween20and79yearsofagewhoparticipatedintheThirdNationalHealthandNutritionExaminationSurveyfrom1988to1994. Overall82percentofadultshadariskoflessthan10percent15percenthadariskthatfellbetween10to20percentand3percenthadariskabove20percent. Theproportionofsubjectsinthehighestriskgroupincreasedwithadvancingageandmenweremorelikelythanwomentobeinthisgroup.Bycontrastraceorethnicityhadlittleeffectonriskdistributions. Althoughthereportsuggeststhatmostadultshavealow10-yearriskofheartdiseasealargeproportionhaveahighorimmediateriskDr.DanielS.BermanfromCedars-SinaiMedicalCenterinLosAngelesandDr.NathanD.WongfromtheUniversityofCaliforniaatIrvinenoteinarelatededitorial. Aggressivetreatmentmeasuresandpublichealthstrategiesareneededtoshifttheoverallpopulationriskdownwardtheyadd. Therewasagreaterproportionofmenthanwomeninthesurvey.
Somethingsweknowaboutlanguage Manythingsaboutlanguageareamysteryandmanywillalwaysremainso.Butsomethingswedoknow. Firstweknowthatallhumanbeingshavealanguageofsomesort.Thereisnoraceofmenanywhereonearthsobackwardthatithasnolanguagenosetofspeechsoundsbywhichthepeoplecommunicatewithonemother.Furthermoreinhistoricaltimestherehasneverbeenaraceofmenwithoutalanguage. Secondthereisnosuchthingasaprimitivelanguage.Therearemanypeoplewhoseculturesareundevelopedwhoareaswesayuncivilizedbutthelanguagestheyspeakarenotprimitive.Inallknown1anguageswecanseecomplexitiesthatmusthavebeentensofthousandsofyearsindeveloping. Thishasnotalwaysbeenwellunderstood;indeedthedirectcontraryhasoftenbeenstated.PopularideasofthelanguageoftheAmericanIndianswillillustrate.ManypeoplehavesupposedthattheIndianscommunicatedinaveryprimitivesystemofnoises.Studyhasprovedthistobenonsense.ThereareorwerehundredsofAmericanIndianlanguagesandallofthemturnouttobeverycomplicatedandveryold.TheyarecertainlydifferentfromthelanguagesthatmostofusarefamiliarwithbuttheyarenomoreprimitivefivethanEnglishandGreek. Athirdthingweknowaboutlanguageisthatalllanguagesareperfectlyadequate.Thatiseachoneisaperfectmeansofexpressingthecultureofthepeoplewhospeakthelanguage. Finallyweknowthatlanguagechanges.Itisnaturalandnormalforlanguagetochange;theonlylanguageswhichdonotchangearethedeadones.Thisiseasytounderstandifwelookbackwardintime.Changegoesoninallaspectsoflanguage.Grammaticalfeatureschangeasdospeechsoundsandchangesinvocabularyaresometimesveryextensiveandmayoccurveryrapidly.Vocabularyistheleaststablepartofanylanguage. race/n.种族 primitive/adj.原始的 uncivilized/adj.不开化的落后的 complexity/n.复杂性复杂现象 nonsense/n.胡说没有根据的话 vocabulary/n.词汇 Accordingtotheauthorlanguagechangesaremostlikelytooccurin______.
{{*HTML*}}? ?阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提供的是正确信息请选A如果该句提供的是错误信息请选B如果该句的信息文章中没有提及请选C ??????? ?????{{B}}MotherNatureShowsHer Strength{{/B}}??Tornadoes龙卷风andheavythunderstormsmoved acrosstheGreatLakesandintoTrumbullCountyonSaturdayevening.Thestorms weredramaticanddangerous.??GeorgeSnyderwasdrivingthefire truckdownRoute88whenhefirstnoticedthatafunnel漏斗状的cloudwasbehind him.Istoppedthetruckandwatchedthefunnelcloud.Itwasabout100feet offthegroundandIsawitgoupanddownforawhile.Itwasmovingtoward BradleyRoadandthensuddenlyitdisappearedSnydersaid.? ?Snyderonlysawoneofthefunnelcloudsthatpassedthroughnortheastern OhioonSaturday.InTrumbullCountyatornadoturnedtreesontotheirsides. Sometreesfellontohousesandcars.Othertreesfellintotelephoneand electricalwiresastheywentdown.??AmandaSymcheckwashavinga partywhenthestormbegan.1knewsomethingwaswrongshesaid.Isawthe skygogreenandpink粉红色.Thenitsoundedlikeatrainrushingtowardthe house.Istartedcryingandtoldeveryonetogotothebasementfor protection.??Thetornadocausedalotofdamagetocarsand housesinthearea.Itwilltakealongtimeandmuchmoneytorepair everything.Therewasalsoseriouswaterdamagefromthethunderstorms.The heavyrainsandhighwindcausedthepowertogooutinmanyhomes.? ?Thestormscausedseriousfloodinginareasneartheriver.Morethanfour inchesofrainfellinpartsofTrumbullCounty.Theriverwassohighthatthe waterranintostreetsandhouses.Manystreetshadtobeclosedtocarsand trucksbecauseofthehighwater.Thismadeitdifficultforfiretruckspolice carsandotherrescuevehiclestohelppeoplewhowereintrouble.? ?Manypeoplewholiveneartheriverhadtoleavetheirhomesfortheirown safety.Somepeoplereportedfivefeetofwaterintheirhomes.Localandstate officialsopenedemergencysheltersforthepeoplewhowereevacuated撤走.The RedCrossservedmealstothem.??Thiswasareallyintense stormsaidSnyder.Peoplewereafraid.MotherNaturecanbefierce.Wewere luckythistime.Noonewaskilled.Rescuevehicleshadahardtimegettingtopeople.
Heenduredgreatpainbeforehefinally{{U}}expired{{/U}}.
ASmallEvent OneafternooninJanuary1989SuzanSharp43andher8-year-oldsonDavidwerewalkinghardacrossanicyparkinglotwhenSuzan’’scane手杖slidontheice.She【51】facefistintothemud.David【52】toherside.AreyouallrightMom? 【53】Suzanputherselfup.I’’mokayhoney.shesaid. IthadbeennearlytwoyearssinceSuzanhadtroublewalking.Shewasfallingmore【54】now.Everyinchoficewasa【55】dangerforher.Icoulddosomethingtheboythought. Davidtoowashaving【56】ofhisown.Theboyhadaspeechdefect.Atschoolhe【57】askedquestionsorreadaloud. OnedayDavidsteacherannounceda【58】assignment.Eachofyouisgoingtocomeupwithaninventionshesaid.ThiswasforINVENTAMERICA!anationalcompetitiontoencouragecreativityin【59】.AnideahitDavidoneevening.【60】onlyhismotherscanedidn’tsliponicehethought.That’’sit!Davidrealized. WhatifIfixedyourcanetoanailstretchedoutofthebottom?heaskedhismother.Hismothertoldhim【61】itwouldscratchfloors. Itlookslikeaball-pointpen.Youtakeyourhand【62】thebuttonandthenailreturnsbackup.Hourslaterthecanewasfinished.DavidandhisfatherJeff【63】asSuzanusedittowalk50feetacrossthe【64】. Itworks!shesaid.InJuly1989DavidwasdeclarednationalwinnerattheannualINVENTAMERICA!ceremonyinWashingtonD.C.. AsDavidbegantomake【65】appearanceshewasforcedtocommunicatemoreclearly.TodayDavidisnearlyfreeofhiscanewhichiswaitingtobewidelyused. Sotheboywhooncehadtroubletalkingnowhopestostartmakingcanesforpeoplewhohavetroublewalking.
AIDS AIDSisAcquiredImmuneDeficiencySyndrome.Thehumanimmunodeficiencyvirus人类免疫缺损病毒calledHIVisbelievedtocauseAIDS.Thereisnocure.Peoplewhogetthediseasewilldie.AIDSitselfdoesnotkill.Howeveritattacksanddestroysthebody’’sdefensesystemthatfightsagainstinfection.Whenthishappensapersonhaslittleabilitytofightoffmanyotherdiseasesincludingpneumonia肺炎cancerandtuberculosis结核病. AnewstudysaysthenumberofwomenintheUnitedStateswithAIDShasincreasedsharply.ThestudysaysAIDSisincreasingfasteramongwomenthanamongmen.EighteenpercentofAIDSpatientsarewomen.Thisisalmost3timestherate10yearsago.MostwomengettheAIDSvirusfromhavingsexualrelationswithmen.Pregnantwomenwiththediseasecanpassittotheirbabies.TheeffectofAIDSinAmericaisgreatestinlargecities.AIDSistheleadingcauseofdeathamongallpeoplein79cities.Itistheleadingcauseofdeathamongwomenin15cities.TheseincludeNewYorkCityandMiamiFlorida. DoctorsintheUnitedStatesfirstnotedAIDS14yearsagoinhomosexual同性恋的meninNewYorkandCalifornia.IntheUnitedStatesAIDSspreadfirstamonghomosexualmen.Thenitappearedinpeoplewhosharedneedlestoputillegaldrugsintotheirblood.Italsoappearedinpeoplewhohadreceivedinfectedbloodproductsathospitals.TheAIDSvirusisspreadthroughtheexchangeofinfectedbloodorbodyfluidsreleasedduringsexualactivity.Itisalsospreadbyhavingsexualrelationswithsomeonewhohasthevirus.Anditisspreadbysharingdrugneedlesthathaveinfectedbloodonthem. AIDShasaffectedseveralfamousAmericanathletes.TwoyearsagoformertennisplayerArthurAshediedofthedisease.AtaboutthesametimeformerbasketballplayerMagicJohnsonannouncedthathehastheAIDSvirus.ThemostrecentathletetobeaffectedisGregoryLouganis.LouganiswonanumberofgoldmedalsinOlympicdivingcompetition.HeannouncedontelevisionthathehasAIDS.PresidentClintonmetwithLouganisandpraisedhimfordiscussinghissickness.Mr.Clintonsaiditisimportanttoeducatethepublic. ActivistshavesucceededineducatingAmericansaboutAIDSandthepeoplewhohaveit.TheyalsohavebeenurgingthefederalgovernmenttoincreaseeffortstofindacureforAIDS.ScientistsfirstidentifiedthevirusthatisbelievedtocauseAIDSin1983.Manyofthemthenthoughttheycouldproduceananti-AIDSvaccine痘苗.Suchamedicinecouldbegiventopeopletoprotectagainstthedisease.HoweverscientistsatAmericangovernmentagenciesuniversitiesanddrugcompanieshavefailedtoproduceananti-AIDSvaccine.Buttheyarecontinuingefforttofindbettertreatmentsforacure. WhyaresomemuseumsclosedinayearlyeventcalledDaywithoutArt?
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ASmallEvent OneafternooninJanuary1989SuzanSharp43andher8-year-oldsonDavidwerewalkinghardacrossanicyparkinglotwhenSuzan’’scane手杖slidontheice.She【51】facefistintothemud.David【52】toherside.AreyouallrightMom? 【53】Suzanputherselfup.I’’mokayhoney.shesaid. IthadbeennearlytwoyearssinceSuzanhadtroublewalking.Shewasfallingmore【54】now.Everyinchoficewasa【55】dangerforher.Icoulddosomethingtheboythought. Davidtoowashaving【56】ofhisown.Theboyhadaspeechdefect.Atschoolhe【57】askedquestionsorreadaloud. OnedayDavidsteacherannounceda【58】assignment.Eachofyouisgoingtocomeupwithaninventionshesaid.ThiswasforINVENTAMERICA!anationalcompetitiontoencouragecreativityin【59】.AnideahitDavidoneevening.【60】onlyhismotherscanedidn’tsliponicehethought.That’’sit!Davidrealized. WhatifIfixedyourcanetoanailstretchedoutofthebottom?heaskedhismother.Hismothertoldhim【61】itwouldscratchfloors. Itlookslikeaball-pointpen.Youtakeyourhand【62】thebuttonandthenailreturnsbackup.Hourslaterthecanewasfinished.DavidandhisfatherJeff【63】asSuzanusedittowalk50feetacrossthe【64】. Itworks!shesaid.InJuly1989DavidwasdeclarednationalwinnerattheannualINVENTAMERICA!ceremonyinWashingtonD.C.. AsDavidbegantomake【65】appearanceshewasforcedtocommunicatemoreclearly.TodayDavidisnearlyfreeofhiscanewhichiswaitingtobewidelyused. Sotheboywhooncehadtroubletalkingnowhopestostartmakingcanesforpeoplewhohavetroublewalking.
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AIDS AIDSisAcquiredImmuneDeficiencySyndrome.Thehumanimmunodeficiencyvirus人类免疫缺损病毒calledHIVisbelievedtocauseAIDS.Thereisnocure.Peoplewhogetthediseasewilldie.AIDSitselfdoesnotkill.Howeveritattacksanddestroysthebody’’sdefensesystemthatfightsagainstinfection.Whenthishappensapersonhaslittleabilitytofightoffmanyotherdiseasesincludingpneumonia肺炎cancerandtuberculosis结核病. AnewstudysaysthenumberofwomenintheUnitedStateswithAIDShasincreasedsharply.ThestudysaysAIDSisincreasingfasteramongwomenthanamongmen.EighteenpercentofAIDSpatientsarewomen.Thisisalmost3timestherate10yearsago.MostwomengettheAIDSvirusfromhavingsexualrelationswithmen.Pregnantwomenwiththediseasecanpassittotheirbabies.TheeffectofAIDSinAmericaisgreatestinlargecities.AIDSistheleadingcauseofdeathamongallpeoplein79cities.Itistheleadingcauseofdeathamongwomenin15cities.TheseincludeNewYorkCityandMiamiFlorida. DoctorsintheUnitedStatesfirstnotedAIDS14yearsagoinhomosexual同性恋的meninNewYorkandCalifornia.IntheUnitedStatesAIDSspreadfirstamonghomosexualmen.Thenitappearedinpeoplewhosharedneedlestoputillegaldrugsintotheirblood.Italsoappearedinpeoplewhohadreceivedinfectedbloodproductsathospitals.TheAIDSvirusisspreadthroughtheexchangeofinfectedbloodorbodyfluidsreleasedduringsexualactivity.Itisalsospreadbyhavingsexualrelationswithsomeonewhohasthevirus.Anditisspreadbysharingdrugneedlesthathaveinfectedbloodonthem. AIDShasaffectedseveralfamousAmericanathletes.TwoyearsagoformertennisplayerArthurAshediedofthedisease.AtaboutthesametimeformerbasketballplayerMagicJohnsonannouncedthathehastheAIDSvirus.ThemostrecentathletetobeaffectedisGregoryLouganis.LouganiswonanumberofgoldmedalsinOlympicdivingcompetition.HeannouncedontelevisionthathehasAIDS.PresidentClintonmetwithLouganisandpraisedhimfordiscussinghissickness.Mr.Clintonsaiditisimportanttoeducatethepublic. ActivistshavesucceededineducatingAmericansaboutAIDSandthepeoplewhohaveit.TheyalsohavebeenurgingthefederalgovernmenttoincreaseeffortstofindacureforAIDS.ScientistsfirstidentifiedthevirusthatisbelievedtocauseAIDSin1983.Manyofthemthenthoughttheycouldproduceananti-AIDSvaccine痘苗.Suchamedicinecouldbegiventopeopletoprotectagainstthedisease.HoweverscientistsatAmericangovernmentagenciesuniversitiesanddrugcompanieshavefailedtoproduceananti-AIDSvaccine.Buttheyarecontinuingefforttofindbettertreatmentsforacure. Whatisnotlikelytohappen?
ASmallEvent OneafternooninJanuary1989SuzanSharp43andher8-year-oldsonDavidwerewalkinghardacrossanicyparkinglotwhenSuzan’’scane手杖slidontheice.She【51】facefistintothemud.David【52】toherside.AreyouallrightMom? 【53】Suzanputherselfup.I’’mokayhoney.shesaid. IthadbeennearlytwoyearssinceSuzanhadtroublewalking.Shewasfallingmore【54】now.Everyinchoficewasa【55】dangerforher.Icoulddosomethingtheboythought. Davidtoowashaving【56】ofhisown.Theboyhadaspeechdefect.Atschoolhe【57】askedquestionsorreadaloud. OnedayDavidsteacherannounceda【58】assignment.Eachofyouisgoingtocomeupwithaninventionshesaid.ThiswasforINVENTAMERICA!anationalcompetitiontoencouragecreativityin【59】.AnideahitDavidoneevening.【60】onlyhismotherscanedidn’tsliponicehethought.That’’sit!Davidrealized. WhatifIfixedyourcanetoanailstretchedoutofthebottom?heaskedhismother.Hismothertoldhim【61】itwouldscratchfloors. Itlookslikeaball-pointpen.Youtakeyourhand【62】thebuttonandthenailreturnsbackup.Hourslaterthecanewasfinished.DavidandhisfatherJeff【63】asSuzanusedittowalk50feetacrossthe【64】. Itworks!shesaid.InJuly1989DavidwasdeclarednationalwinnerattheannualINVENTAMERICA!ceremonyinWashingtonD.C.. AsDavidbegantomake【65】appearanceshewasforcedtocommunicatemoreclearly.TodayDavidisnearlyfreeofhiscanewhichiswaitingtobewidelyused. Sotheboywhooncehadtroubletalkingnowhopestostartmakingcanesforpeoplewhohavetroublewalking.
Someinsectsrelyonthetinyhairsscatteredovertheirbodiestosensesoundwaves.
ASmallEvent OneafternooninJanuary1989SuzanSharp43andher8-year-oldsonDavidwerewalkinghardacrossanicyparkinglotwhenSuzan’’scane手杖slidontheice.She【51】facefistintothemud.David【52】toherside.AreyouallrightMom? 【53】Suzanputherselfup.I’’mokayhoney.shesaid. IthadbeennearlytwoyearssinceSuzanhadtroublewalking.Shewasfallingmore【54】now.Everyinchoficewasa【55】dangerforher.Icoulddosomethingtheboythought. Davidtoowashaving【56】ofhisown.Theboyhadaspeechdefect.Atschoolhe【57】askedquestionsorreadaloud. OnedayDavidsteacherannounceda【58】assignment.Eachofyouisgoingtocomeupwithaninventionshesaid.ThiswasforINVENTAMERICA!anationalcompetitiontoencouragecreativityin【59】.AnideahitDavidoneevening.【60】onlyhismotherscanedidn’tsliponicehethought.That’’sit!Davidrealized. WhatifIfixedyourcanetoanailstretchedoutofthebottom?heaskedhismother.Hismothertoldhim【61】itwouldscratchfloors. Itlookslikeaball-pointpen.Youtakeyourhand【62】thebuttonandthenailreturnsbackup.Hourslaterthecanewasfinished.DavidandhisfatherJeff【63】asSuzanusedittowalk50feetacrossthe【64】. Itworks!shesaid.InJuly1989DavidwasdeclarednationalwinnerattheannualINVENTAMERICA!ceremonyinWashingtonD.C.. AsDavidbegantomake【65】appearanceshewasforcedtocommunicatemoreclearly.TodayDavidisnearlyfreeofhiscanewhichiswaitingtobewidelyused. Sotheboywhooncehadtroubletalkingnowhopestostartmakingcanesforpeoplewhohavetroublewalking.
Somethingsweknowaboutlanguage Manythingsaboutlanguageareamysteryandmanywillalwaysremainso.Butsomethingswedoknow. Firstweknowthatallhumanbeingshavealanguageofsomesort.Thereisnoraceofmenanywhereonearthsobackwardthatithasnolanguagenosetofspeechsoundsbywhichthepeoplecommunicatewithonemother.Furthermoreinhistoricaltimestherehasneverbeenaraceofmenwithoutalanguage. Secondthereisnosuchthingasaprimitivelanguage.Therearemanypeoplewhoseculturesareundevelopedwhoareaswesayuncivilizedbutthelanguagestheyspeakarenotprimitive.Inallknown1anguageswecanseecomplexitiesthatmusthavebeentensofthousandsofyearsindeveloping. Thishasnotalwaysbeenwellunderstood;indeedthedirectcontraryhasoftenbeenstated.PopularideasofthelanguageoftheAmericanIndianswillillustrate.ManypeoplehavesupposedthattheIndianscommunicatedinaveryprimitivesystemofnoises.Studyhasprovedthistobenonsense.ThereareorwerehundredsofAmericanIndianlanguagesandallofthemturnouttobeverycomplicatedandveryold.TheyarecertainlydifferentfromthelanguagesthatmostofusarefamiliarwithbuttheyarenomoreprimitivefivethanEnglishandGreek. Athirdthingweknowaboutlanguageisthatalllanguagesareperfectlyadequate.Thatiseachoneisaperfectmeansofexpressingthecultureofthepeoplewhospeakthelanguage. Finallyweknowthatlanguagechanges.Itisnaturalandnormalforlanguagetochange;theonlylanguageswhichdonotchangearethedeadones.Thisiseasytounderstandifwelookbackwardintime.Changegoesoninallaspectsoflanguage.Grammaticalfeatureschangeasdospeechsoundsandchangesinvocabularyaresometimesveryextensiveandmayoccurveryrapidly.Vocabularyistheleaststablepartofanylanguage. race/n.种族 primitive/adj.原始的 uncivilized/adj.不开化的落后的 complexity/n.复杂性复杂现象 nonsense/n.胡说没有根据的话 vocabulary/n.词汇 Inthesecondparagraphtheauthorthinksthat______.
ASmallEvent OneafternooninJanuary1989SuzanSharp43andher8-year-oldsonDavidwerewalkinghardacrossanicyparkinglotwhenSuzan’’scane手杖slidontheice.She【51】facefistintothemud.David【52】toherside.AreyouallrightMom? 【53】Suzanputherselfup.I’’mokayhoney.shesaid. IthadbeennearlytwoyearssinceSuzanhadtroublewalking.Shewasfallingmore【54】now.Everyinchoficewasa【55】dangerforher.Icoulddosomethingtheboythought. Davidtoowashaving【56】ofhisown.Theboyhadaspeechdefect.Atschoolhe【57】askedquestionsorreadaloud. OnedayDavidsteacherannounceda【58】assignment.Eachofyouisgoingtocomeupwithaninventionshesaid.ThiswasforINVENTAMERICA!anationalcompetitiontoencouragecreativityin【59】.AnideahitDavidoneevening.【60】onlyhismotherscanedidn’tsliponicehethought.That’’sit!Davidrealized. WhatifIfixedyourcanetoanailstretchedoutofthebottom?heaskedhismother.Hismothertoldhim【61】itwouldscratchfloors. Itlookslikeaball-pointpen.Youtakeyourhand【62】thebuttonandthenailreturnsbackup.Hourslaterthecanewasfinished.DavidandhisfatherJeff【63】asSuzanusedittowalk50feetacrossthe【64】. Itworks!shesaid.InJuly1989DavidwasdeclarednationalwinnerattheannualINVENTAMERICA!ceremonyinWashingtonD.C.. AsDavidbegantomake【65】appearanceshewasforcedtocommunicatemoreclearly.TodayDavidisnearlyfreeofhiscanewhichiswaitingtobewidelyused. Sotheboywhooncehadtroubletalkingnowhopestostartmakingcanesforpeoplewhohavetroublewalking.
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ASmallEvent OneafternooninJanuary1989SuzanSharp43andher8-year-oldsonDavidwerewalkinghardacrossanicyparkinglotwhenSuzan’’scane手杖slidontheice.She【51】facefistintothemud.David【52】toherside.AreyouallrightMom? 【53】Suzanputherselfup.I’’mokayhoney.shesaid. IthadbeennearlytwoyearssinceSuzanhadtroublewalking.Shewasfallingmore【54】now.Everyinchoficewasa【55】dangerforher.Icoulddosomethingtheboythought. Davidtoowashaving【56】ofhisown.Theboyhadaspeechdefect.Atschoolhe【57】askedquestionsorreadaloud. OnedayDavidsteacherannounceda【58】assignment.Eachofyouisgoingtocomeupwithaninventionshesaid.ThiswasforINVENTAMERICA!anationalcompetitiontoencouragecreativityin【59】.AnideahitDavidoneevening.【60】onlyhismotherscanedidn’tsliponicehethought.That’’sit!Davidrealized. WhatifIfixedyourcanetoanailstretchedoutofthebottom?heaskedhismother.Hismothertoldhim【61】itwouldscratchfloors. Itlookslikeaball-pointpen.Youtakeyourhand【62】thebuttonandthenailreturnsbackup.Hourslaterthecanewasfinished.DavidandhisfatherJeff【63】asSuzanusedittowalk50feetacrossthe【64】. Itworks!shesaid.InJuly1989DavidwasdeclarednationalwinnerattheannualINVENTAMERICA!ceremonyinWashingtonD.C.. AsDavidbegantomake【65】appearanceshewasforcedtocommunicatemoreclearly.TodayDavidisnearlyfreeofhiscanewhichiswaitingtobewidelyused. Sotheboywhooncehadtroubletalkingnowhopestostartmakingcanesforpeoplewhohavetroublewalking.
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