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下面的短文后有2项测试任务：(1) 第23～26题要求从所给的6个选项中第2、4、5、6每段选择1个最佳标题；(2) 第27～30题要求从所给的6个选项中每个句子确定一个最佳选项。 Hypno...
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? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
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BathingIntheSea BathingintheseainEnglandahundredyearsagowasnotquitethelight-heartedamusementthatitistoday.Therearenorunningdownfromthehoteltothebeachinabathrobe长袍nosunbathingorlyingaboutonthesandsinbathing-dressesafterthedip.Everythinghadtobedoneinanorderlyandextremelypolitemanner.Mixedbathingwasnotallowedanywhere.Menandwomeneachhadtheirseparatepartofthebeachandtheywerenotsupposedtomeetinthewater. Bathingclotheswerealsocloselycontrolled.Menusuallyworesimplebathingdrawersandnomorebutwomenwereobligedtowearthickcumbersomewoolengarmentsthatcoveredthemcompletelyfromheadtofoot.Thesesatisfiedthedemandsofmodestybuttheymusthavebeenextremelyuncomfortableforswimming. Eventhusdecentlycoveredwomenwerenotsupposedtoshowthemselvesonthebeachwhileinbathingattire浴衣.Theyhadtowaittheirturnforabathingmachineasortofwoodencabinonwheelswhichwasdrawnrightdowntothewatersedgebyhorses.Onitsseawardsideasortofhoodorcanopy罩盖stretchedoutwardsanddownwardsoverthewatercompletelyhidingthebatheruntilshewasactuallyintheseaTherewasabathingwomaninattendancepartofwhosedutywastodipinotherwordstoseizethebatherassoonassheemergedanddipherforciblyunderwatertwoorthreetimes.Thiswassupposedtobeforthebenefitofherhealthandnodoubtitwasallrightinthehandsofthegentle.Butmostbathingwomenwerethereverseofgentleandtobedippedbythemmusthavebeenastrenuousformofexercise. Thebathingmachinewasused______.
ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
ThestoriesofSarahOrneJewettareconsideredbymanytobemoreauthenticallyregionalthanthoseofBretHarte.
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.
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.
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.
OntheTrain ThenighttrainfromGlasgowwassocrowdedthatDonaldwhowasonhiswaytoLondontofindatemporaryjobfortheuniversityvacationwishedthathehaddecidedtotravelbyday.Hehadneverbeensohardup. Hegotonthetrainandwalkedalongthecorridorofthesecond-classcompartments.Hecouldn’’tfindaseatanywhere.Hecouldnotaffordtotravelfirstclassandhedidnotwanttostandinthecorridor.Neitherdidhewanttositonhissuitcase.Hewassotiredthathedecidedtositdowninafirstclasscompartmentatleastforawhile.Hesoonfoundonewithasingleoccupant乘客agentlemanreadingdocumentsfromabriefcase.Withtheself-assuranceofafirstclasstravelerheopenedthedoorandwentin.Nosoonerhadhesatdownthantheticketinspectorarrived.Whatbadluck!Nowhewouldhavetopaytheexcess额外的fare.Asheturnedouthispockettofindenoughmoneyhesawthegentlemanwaswatchinghimwithamusement.Itwashumiliating令人感到羞辱的.Howeverhewassotiredthathesoonfellasleep. Presentlyhearinganoisehehalfopenedhiseyes.Notonlydidhenoticethathistravelingcompanionhadgonebuthealsosawthatarough-lookingmanwassearchingthroughthebusinessman’’sbriefcase.Donaldgrabbedthebriefcaseandwrenched猛夺itfreekickingattheman’’sleg.Themanfled. ThenthebusinessmanreturnedandfoundDonaldholdingthebriefcaseandpeeringinsideit.Donaldrealizedthathewasinquiteanawkwardsituationbutthemanwassmiling.Norwasthistheonlysurprisingthing.NotonlywasthegentlemanwhointroducedhimselfasMr.SmithsmilingbuthethankedDonaldwarmly.OnhiswaybacktothecompartmentMr.Smithhadseenthemanleavinginagreathurry.HehadsoquicklyassessedthesituationthatheknewDonaldwasinnocent. OnlyafteralongchatinwhichDonaldwasaskedmanyquestionsabouthimselfdidDonalddiscoverthatMr.SmithwasinfactmanagingdirectorofalargefactoryinLondon.DonaldhadneverimaginedthatthisstrangeincidentwouldhelphimtofindajobbutjustastheywereleavingthetrainMr.SmithofferedhimthepostoftemporaryNightSecurityOfficerforhisfactory. ThetrainDonaldtookwas______.
TheCentralDogma ThoughitcomesasnosurprisethatthecompositionofDNAbetweendifferentorganismsisdifferentitisnotimmediatelyobviouswhythemusclecellsbloodcellsandbraincellsofanyoneparticularvertebrate脊椎动物aresodifferentintheirstructureandcompositionwhentheDNAofeveryoneoftheircellsisidentical.Thisisthekeytooneofthemostexcitingareasofmoderncellbiology.Indifferentcelltypesdifferentsetsofthetotalnumberofgenesgenome基因组areexpressed.InotherwordsdifferentregionsoftheDNAareactiveinthemusclecellsbloodcellsandbraincells. TounderstandhowthisdifferenceinDNAactivitycanleadtodifferencesincellstructureandcompositionitisnecessarytoconsiderwhatisoftenknownasthecentraldogma法则ofmolecularbiology:DNAmakesRNAmakeprotein.InmoleculartermsageneisthatportionofDNAthatencodesforasingleprotein.Thedictumonegenemakesoneproteinhasrequiredsomemodification改变withthediscoverythatsomeproteinsarecomposedofseveraldifferentpolypeptide多肽chainsbuttheonegenemakesonepolypeptideruledoeshold. DNAContainstheBlueprintforAllCellProteins. MessengerRNAisaprecisecopytranscriptofthecodedsequenceofnucleicacidbasesinDNAandthismessageistranslatedintoauniqueproteinmoleculeonspecialistorganellesribo-somespresentinthecytoplasm细胞质ofallcells.Proteins蛋白质whicharelargelymadeupofcarbonChydrogenHoxygenOandnitrogenNareconstructedfrom20differentcommonaminoacids.Theversatilityofproteinstheworkhorsemoleculesofthecellstemsfromtheimmensevarietyofmolecularshapesthatcanbecreatedbylinkingaminoacidstogetherindifferentsequences.Thesmallerproteinsconsistofonlyafewdozenaminoacidswhereasthelargeronesmaycontaininexcessof200aminoacidsalllinkedtogetherinalinear线状的chainbypeptidebonds. Astheproteinsarereleasedfromtheribosome核糖体theyfoldintouniqueshapesundertheinfluenceofchemicalforcesthatdependontheparticularsequenceofaminoacids.Sotheproteinprimarysequenceencodedinthegeneandfaithfullytranscribedandtranslatedintoanaminoacidchaindeterminesthethree-dimensionalstructureoftheemergingmolecule.Thehumanbodypossessessome30000differentkindsofproteinsandseveralmillioncopiesofmanyofthese.Eachplaysaspecificrole——forexamplehemoglobincarriesoxygeninthebloodactin肌动蛋白andmyosin肌球蛋白interacttogeneratemusclemovementandacetylcholine乙酸胆碱receptormoleculesmediatechemicaltransmissionbetweennerveandmusclecells. Enzymes—ProteinBiocatalysts Anessentialgroupofproteins—theenzymes酵素—actasbiologicalcatalysts催化剂andregulateallaspectsofcellmetabolism新陈代谢.Theyenablebreakdownofhigh-energyfoodmoleculescarbohydratestoprovideenergyforbiologicalreactionsandtheycontrolthesyntheticpathwaysthatresultinthegenerationoflipidse.g.fatscholesterol胆固醇andothervitalmembrane膜componentscarbohydrates碳水化合物sugarsstarch淀粉andcellulose纤维素thekeycomponentsofplantcellwallsandmanyvitalsmallbiomoleculesessentialforcellfunction. Whichofthefollowingstatementsaboutthecentraldogmaisfalse?
UnitedNations AmajorsegmentoftheUntiedNationsistheGeneralAssemblywhichconsistsofrepresentativesfromallgovernmentsthathaveratifiedtheUNCharter.Asof1995185stateshadmembershipinthegeneralAssembly.AdditionallytheVaticanSwitzerlandandthePalestineLiberationOrganizationhavenonvotingobserverstatusintheGeneralAssembly.TheGeneralAssemblyapprovestheUN’’sbudgetactswiththeSecurityCounciltoselecttheSecretary-generalandjudgesoftheInternationalCourtofJusticeandpassesresolutionsonissuesrangingfromself-determinationandcolonialismtowomen’’srightsandtheglobaldistributionofwealth. TheGeneralAssemblycanmeetandvoteonanysubjectunlesstheSecurityCouncilisdealingwithitoratleastpretendingto.Howeveritsdecisionsonlycarrymoralforce—unliketheCouncil’’s.They’’renotbindingininternationallaws.ButtheAssemblyvotesareanimportantopinionpollonhowandwhatthemajorityoftheworldthinksaboutissues.Importantquestionsneedatwo-thirdsvoteoftheAssemblytopass. Thequestionofwhatisanimportantquestionisn’’timportant.Itsdecidedbythedelegatesthemselves—byasimplemajority. AlthoughtheGeneralAssemblyhasnotrecognizedauthoritytoenforceitsconclusionsonanythingotherthaninternalUNmattersitmakesitsviewpointsonissuesthatarebroughtbeforeitisknowninoneofthethreeways.AGeneralAssemblydeclarationisabroadstatementofgeneralprinciplesuchastheUniversalDeclarationofHumanRightspassedin1948.Declarationsareoftenputforwardasanexpressionofanidealinpracticetheyareregularlyignored.AGeneralAssemblyresolutionisessentiallyadocumentthatrecommendsthatmemberstatestakeaparticularpolicyaction.StatesclaimsovereigntyandmaketheirowndecisionsastowhethertheywillfollowaGeneralAssemblyresolution.Insomecaseshoweverifmanystatesimplementaparticularresolutionotherstatesthatmaynotwishtoactontheresolutionmayfeelthemselvespressuredtodosoanyway.Attheveryleastaresolutionhastheeffectoflegitimizingthepoliciesofthosestatesthatwishtocomplywiththeresolution.FinallyaGeneralAssemblyconventionortreatyhastwomeanings.ThemorecomprehensiveconventionreferstomultilateraltreatiesvotedonbytheGeneralAssemblythatuponpassagebytheGeneralAssemblyarecarriedbacktothecapitalsofmemberstatesforratificationbywhatevermeanseachstateusesdomestically.InothercasesaGeneralAssemblyconventionrefersspecificallytoatreatysignedbetweentheUnitedNationsandthegovernmentofanation-stateaswhenin1956EgyptagreedtoallowUnitedNationspeacekeepingforcestoenterEgyptianterritory. Multi-lateraltreatieshavetoberatifiedbythememberstatebeforeitispassedbytheGeneralAssembly.
OntheTrain ThenighttrainfromGlasgowwassocrowdedthatDonaldwhowasonhiswaytoLondontofindatemporaryjobfortheuniversityvacationwishedthathehaddecidedtotravelbyday.Hehadneverbeensohardup. Hegotonthetrainandwalkedalongthecorridorofthesecond-classcompartments.Hecouldn’’tfindaseatanywhere.Hecouldnotaffordtotravelfirstclassandhedidnotwanttostandinthecorridor.Neitherdidhewanttositonhissuitcase.Hewassotiredthathedecidedtositdowninafirstclasscompartmentatleastforawhile.Hesoonfoundonewithasingleoccupant乘客agentlemanreadingdocumentsfromabriefcase.Withtheself-assuranceofafirstclasstravelerheopenedthedoorandwentin.Nosoonerhadhesatdownthantheticketinspectorarrived.Whatbadluck!Nowhewouldhavetopaytheexcess额外的fare.Asheturnedouthispockettofindenoughmoneyhesawthegentlemanwaswatchinghimwithamusement.Itwashumiliating令人感到羞辱的.Howeverhewassotiredthathesoonfellasleep. Presentlyhearinganoisehehalfopenedhiseyes.Notonlydidhenoticethathistravelingcompanionhadgonebuthealsosawthatarough-lookingmanwassearchingthroughthebusinessman’’sbriefcase.Donaldgrabbedthebriefcaseandwrenched猛夺itfreekickingattheman’’sleg.Themanfled. ThenthebusinessmanreturnedandfoundDonaldholdingthebriefcaseandpeeringinsideit.Donaldrealizedthathewasinquiteanawkwardsituationbutthemanwassmiling.Norwasthistheonlysurprisingthing.NotonlywasthegentlemanwhointroducedhimselfasMr.SmithsmilingbuthethankedDonaldwarmly.OnhiswaybacktothecompartmentMr.Smithhadseenthemanleavinginagreathurry.HehadsoquicklyassessedthesituationthatheknewDonaldwasinnocent. OnlyafteralongchatinwhichDonaldwasaskedmanyquestionsabouthimselfdidDonalddiscoverthatMr.SmithwasinfactmanagingdirectorofalargefactoryinLondon.DonaldhadneverimaginedthatthisstrangeincidentwouldhelphimtofindajobbutjustastheywereleavingthetrainMr.SmithofferedhimthepostoftemporaryNightSecurityOfficerforhisfactory. Mr.SmithrealizedthatDonaldwasinnocent______.
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.
HowtoBeaNurse Thephysiciansinahospitalformthecoreofthemedicalstaff.Buttheycouldnotprovideeffectivemedicalcaretotheirpatientswithoutthehelpofnumerousothermedicalemployees.Fromtheviewpointofthepatientsthenursingstaffisparticularlyimportant.Nursesareusuallyinclosecontactwithpatientsaslongastheyareinthehospital. Anursedoesnotstudyforasmanyyearsasadoctor.Howevereachmustbeequallydedicated.Caringforsickpersonsrequiresagreatdealofpatienceandconcern.Mostnursesworklongdaysandtheyoftenmustworkatoddhoursorduringthenight. Underthesupervisionoftheheadnursethenursingstaffmustprovidenursingservicesona24-hourbasisandattendtopatients’needs.Thisresponsibilitycontinuesaroundtheclockandsonursesmustworkinshifts.Ashiftisaperiodofdutyusuallyeightinlength.Thenursesonthewardrotatetheirshifts.Sometaketurnsworkingnightduty;othersworkoddshifts.Allofthemworkoutofacentralareaonthewardcalledthenurses’station. Anursemustalwaysbealert.Shecanneveraffordtobecareless.Thisistrueinallnursingsituationbutitisespeciallytrueintheintensivecareunit.Patientsunderintensivecarearecriticallyillandtheymustbemonitoredatalltimes.Thenurseswhodointensivecaredutyhaveoneofthemostdemandingjobsinthehospital. Servingasanursecanbeaveryrewardingjob.Butitisnotaneasyone.Noteverypersonissuitedtobecomeanurse.Onlyverydedicatedpeoplehavechosennursingasaprofession. Whatkindofpersonissuitedtobecomeanurse?
Thetownisfamousforitsmagnificentchurchtowers.
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.
ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
TheCentralDogma ThoughitcomesasnosurprisethatthecompositionofDNAbetweendifferentorganismsisdifferentitisnotimmediatelyobviouswhythemusclecellsbloodcellsandbraincellsofanyoneparticularvertebrate脊椎动物aresodifferentintheirstructureandcompositionwhentheDNAofeveryoneoftheircellsisidentical.Thisisthekeytooneofthemostexcitingareasofmoderncellbiology.Indifferentcelltypesdifferentsetsofthetotalnumberofgenesgenome基因组areexpressed.InotherwordsdifferentregionsoftheDNAareactiveinthemusclecellsbloodcellsandbraincells. TounderstandhowthisdifferenceinDNAactivitycanleadtodifferencesincellstructureandcompositionitisnecessarytoconsiderwhatisoftenknownasthecentraldogma法则ofmolecularbiology:DNAmakesRNAmakeprotein.InmoleculartermsageneisthatportionofDNAthatencodesforasingleprotein.Thedictumonegenemakesoneproteinhasrequiredsomemodification改变withthediscoverythatsomeproteinsarecomposedofseveraldifferentpolypeptide多肽chainsbuttheonegenemakesonepolypeptideruledoeshold. DNAContainstheBlueprintforAllCellProteins. MessengerRNAisaprecisecopytranscriptofthecodedsequenceofnucleicacidbasesinDNAandthismessageistranslatedintoauniqueproteinmoleculeonspecialistorganellesribo-somespresentinthecytoplasm细胞质ofallcells.Proteins蛋白质whicharelargelymadeupofcarbonChydrogenHoxygenOandnitrogenNareconstructedfrom20differentcommonaminoacids.Theversatilityofproteinstheworkhorsemoleculesofthecellstemsfromtheimmensevarietyofmolecularshapesthatcanbecreatedbylinkingaminoacidstogetherindifferentsequences.Thesmallerproteinsconsistofonlyafewdozenaminoacidswhereasthelargeronesmaycontaininexcessof200aminoacidsalllinkedtogetherinalinear线状的chainbypeptidebonds. Astheproteinsarereleasedfromtheribosome核糖体theyfoldintouniqueshapesundertheinfluenceofchemicalforcesthatdependontheparticularsequenceofaminoacids.Sotheproteinprimarysequenceencodedinthegeneandfaithfullytranscribedandtranslatedintoanaminoacidchaindeterminesthethree-dimensionalstructureoftheemergingmolecule.Thehumanbodypossessessome30000differentkindsofproteinsandseveralmillioncopiesofmanyofthese.Eachplaysaspecificrole——forexamplehemoglobincarriesoxygeninthebloodactin肌动蛋白andmyosin肌球蛋白interacttogeneratemusclemovementandacetylcholine乙酸胆碱receptormoleculesmediatechemicaltransmissionbetweennerveandmusclecells. Enzymes—ProteinBiocatalysts Anessentialgroupofproteins—theenzymes酵素—actasbiologicalcatalysts催化剂andregulateallaspectsofcellmetabolism新陈代谢.Theyenablebreakdownofhigh-energyfoodmoleculescarbohydratestoprovideenergyforbiologicalreactionsandtheycontrolthesyntheticpathwaysthatresultinthegenerationoflipidse.g.fatscholesterol胆固醇andothervitalmembrane膜componentscarbohydrates碳水化合物sugarsstarch淀粉andcellulose纤维素thekeycomponentsofplantcellwallsandmanyvitalsmallbiomoleculesessentialforcellfunction. Wecaninferfrompara.4that______.
UnitedNations AmajorsegmentoftheUntiedNationsistheGeneralAssemblywhichconsistsofrepresentativesfromallgovernmentsthathaveratifiedtheUNCharter.Asof1995185stateshadmembershipinthegeneralAssembly.AdditionallytheVaticanSwitzerlandandthePalestineLiberationOrganizationhavenonvotingobserverstatusintheGeneralAssembly.TheGeneralAssemblyapprovestheUN’’sbudgetactswiththeSecurityCounciltoselecttheSecretary-generalandjudgesoftheInternationalCourtofJusticeandpassesresolutionsonissuesrangingfromself-determinationandcolonialismtowomen’’srightsandtheglobaldistributionofwealth. TheGeneralAssemblycanmeetandvoteonanysubjectunlesstheSecurityCouncilisdealingwithitoratleastpretendingto.Howeveritsdecisionsonlycarrymoralforce—unliketheCouncil’’s.They’’renotbindingininternationallaws.ButtheAssemblyvotesareanimportantopinionpollonhowandwhatthemajorityoftheworldthinksaboutissues.Importantquestionsneedatwo-thirdsvoteoftheAssemblytopass. Thequestionofwhatisanimportantquestionisn’’timportant.Itsdecidedbythedelegatesthemselves—byasimplemajority. AlthoughtheGeneralAssemblyhasnotrecognizedauthoritytoenforceitsconclusionsonanythingotherthaninternalUNmattersitmakesitsviewpointsonissuesthatarebroughtbeforeitisknowninoneofthethreeways.AGeneralAssemblydeclarationisabroadstatementofgeneralprinciplesuchastheUniversalDeclarationofHumanRightspassedin1948.Declarationsareoftenputforwardasanexpressionofanidealinpracticetheyareregularlyignored.AGeneralAssemblyresolutionisessentiallyadocumentthatrecommendsthatmemberstatestakeaparticularpolicyaction.StatesclaimsovereigntyandmaketheirowndecisionsastowhethertheywillfollowaGeneralAssemblyresolution.Insomecaseshoweverifmanystatesimplementaparticularresolutionotherstatesthatmaynotwishtoactontheresolutionmayfeelthemselvespressuredtodosoanyway.Attheveryleastaresolutionhastheeffectoflegitimizingthepoliciesofthosestatesthatwishtocomplywiththeresolution.FinallyaGeneralAssemblyconventionortreatyhastwomeanings.ThemorecomprehensiveconventionreferstomultilateraltreatiesvotedonbytheGeneralAssemblythatuponpassagebytheGeneralAssemblyarecarriedbacktothecapitalsofmemberstatesforratificationbywhatevermeanseachstateusesdomestically.InothercasesaGeneralAssemblyconventionrefersspecificallytoatreatysignedbetweentheUnitedNationsandthegovernmentofanation-stateaswhenin1956EgyptagreedtoallowUnitedNationspeacekeepingforcestoenterEgyptianterritory. TheGeneralAssemblyhavetheauthoritytoenforceitsconclusionsonapprovingUNbudget.
Ourplanistoallocateonememberofstafftohandleappointments.
UnitedNations AmajorsegmentoftheUntiedNationsistheGeneralAssemblywhichconsistsofrepresentativesfromallgovernmentsthathaveratifiedtheUNCharter.Asof1995185stateshadmembershipinthegeneralAssembly.AdditionallytheVaticanSwitzerlandandthePalestineLiberationOrganizationhavenonvotingobserverstatusintheGeneralAssembly.TheGeneralAssemblyapprovestheUN’’sbudgetactswiththeSecurityCounciltoselecttheSecretary-generalandjudgesoftheInternationalCourtofJusticeandpassesresolutionsonissuesrangingfromself-determinationandcolonialismtowomen’’srightsandtheglobaldistributionofwealth. TheGeneralAssemblycanmeetandvoteonanysubjectunlesstheSecurityCouncilisdealingwithitoratleastpretendingto.Howeveritsdecisionsonlycarrymoralforce—unliketheCouncil’’s.They’’renotbindingininternationallaws.ButtheAssemblyvotesareanimportantopinionpollonhowandwhatthemajorityoftheworldthinksaboutissues.Importantquestionsneedatwo-thirdsvoteoftheAssemblytopass. Thequestionofwhatisanimportantquestionisn’’timportant.Itsdecidedbythedelegatesthemselves—byasimplemajority. AlthoughtheGeneralAssemblyhasnotrecognizedauthoritytoenforceitsconclusionsonanythingotherthaninternalUNmattersitmakesitsviewpointsonissuesthatarebroughtbeforeitisknowninoneofthethreeways.AGeneralAssemblydeclarationisabroadstatementofgeneralprinciplesuchastheUniversalDeclarationofHumanRightspassedin1948.Declarationsareoftenputforwardasanexpressionofanidealinpracticetheyareregularlyignored.AGeneralAssemblyresolutionisessentiallyadocumentthatrecommendsthatmemberstatestakeaparticularpolicyaction.StatesclaimsovereigntyandmaketheirowndecisionsastowhethertheywillfollowaGeneralAssemblyresolution.Insomecaseshoweverifmanystatesimplementaparticularresolutionotherstatesthatmaynotwishtoactontheresolutionmayfeelthemselvespressuredtodosoanyway.Attheveryleastaresolutionhastheeffectoflegitimizingthepoliciesofthosestatesthatwishtocomplywiththeresolution.FinallyaGeneralAssemblyconventionortreatyhastwomeanings.ThemorecomprehensiveconventionreferstomultilateraltreatiesvotedonbytheGeneralAssemblythatuponpassagebytheGeneralAssemblyarecarriedbacktothecapitalsofmemberstatesforratificationbywhatevermeanseachstateusesdomestically.InothercasesaGeneralAssemblyconventionrefersspecificallytoatreatysignedbetweentheUnitedNationsandthegovernmentofanation-stateaswhenin1956EgyptagreedtoallowUnitedNationspeacekeepingforcestoenterEgyptianterritory. TheGeneralAssemblypressesitsmemberstatestoimplementitsresolution.
Heissureofthecomingofinvestmentboomafteradoptingthenewinvestmentpolicies.
HowtoBeaNurse Thephysiciansinahospitalformthecoreofthemedicalstaff.Buttheycouldnotprovideeffectivemedicalcaretotheirpatientswithoutthehelpofnumerousothermedicalemployees.Fromtheviewpointofthepatientsthenursingstaffisparticularlyimportant.Nursesareusuallyinclosecontactwithpatientsaslongastheyareinthehospital. Anursedoesnotstudyforasmanyyearsasadoctor.Howevereachmustbeequallydedicated.Caringforsickpersonsrequiresagreatdealofpatienceandconcern.Mostnursesworklongdaysandtheyoftenmustworkatoddhoursorduringthenight. Underthesupervisionoftheheadnursethenursingstaffmustprovidenursingservicesona24-hourbasisandattendtopatients’needs.Thisresponsibilitycontinuesaroundtheclockandsonursesmustworkinshifts.Ashiftisaperiodofdutyusuallyeightinlength.Thenursesonthewardrotatetheirshifts.Sometaketurnsworkingnightduty;othersworkoddshifts.Allofthemworkoutofacentralareaonthewardcalledthenurses’station. Anursemustalwaysbealert.Shecanneveraffordtobecareless.Thisistrueinallnursingsituationbutitisespeciallytrueintheintensivecareunit.Patientsunderintensivecarearecriticallyillandtheymustbemonitoredatalltimes.Thenurseswhodointensivecaredutyhaveoneofthemostdemandingjobsinthehospital. Servingasanursecanbeaveryrewardingjob.Butitisnotaneasyone.Noteverypersonissuitedtobecomeanurse.Onlyverydedicatedpeoplehavechosennursingasaprofession. Whydon’tnursesstudyforasmanyyearsasdoctors?
BathingIntheSea BathingintheseainEnglandahundredyearsagowasnotquitethelight-heartedamusementthatitistoday.Therearenorunningdownfromthehoteltothebeachinabathrobe长袍nosunbathingorlyingaboutonthesandsinbathing-dressesafterthedip.Everythinghadtobedoneinanorderlyandextremelypolitemanner.Mixedbathingwasnotallowedanywhere.Menandwomeneachhadtheirseparatepartofthebeachandtheywerenotsupposedtomeetinthewater. Bathingclotheswerealsocloselycontrolled.Menusuallyworesimplebathingdrawersandnomorebutwomenwereobligedtowearthickcumbersomewoolengarmentsthatcoveredthemcompletelyfromheadtofoot.Thesesatisfiedthedemandsofmodestybuttheymusthavebeenextremelyuncomfortableforswimming. Eventhusdecentlycoveredwomenwerenotsupposedtoshowthemselvesonthebeachwhileinbathingattire浴衣.Theyhadtowaittheirturnforabathingmachineasortofwoodencabinonwheelswhichwasdrawnrightdowntothewatersedgebyhorses.Onitsseawardsideasortofhoodorcanopy罩盖stretchedoutwardsanddownwardsoverthewatercompletelyhidingthebatheruntilshewasactuallyintheseaTherewasabathingwomaninattendancepartofwhosedutywastodipinotherwordstoseizethebatherassoonassheemergedanddipherforciblyunderwatertwoorthreetimes.Thiswassupposedtobeforthebenefitofherhealthandnodoubtitwasallrightinthehandsofthegentle.Butmostbathingwomenwerethereverseofgentleandtobedippedbythemmusthavebeenastrenuousformofexercise. Mostbathing-womenwere______.
Thekindsoftheoiluseaffectyourhealth.
UnitedNations AmajorsegmentoftheUntiedNationsistheGeneralAssemblywhichconsistsofrepresentativesfromallgovernmentsthathaveratifiedtheUNCharter.Asof1995185stateshadmembershipinthegeneralAssembly.AdditionallytheVaticanSwitzerlandandthePalestineLiberationOrganizationhavenonvotingobserverstatusintheGeneralAssembly.TheGeneralAssemblyapprovestheUN’’sbudgetactswiththeSecurityCounciltoselecttheSecretary-generalandjudgesoftheInternationalCourtofJusticeandpassesresolutionsonissuesrangingfromself-determinationandcolonialismtowomen’’srightsandtheglobaldistributionofwealth. TheGeneralAssemblycanmeetandvoteonanysubjectunlesstheSecurityCouncilisdealingwithitoratleastpretendingto.Howeveritsdecisionsonlycarrymoralforce—unliketheCouncil’’s.They’’renotbindingininternationallaws.ButtheAssemblyvotesareanimportantopinionpollonhowandwhatthemajorityoftheworldthinksaboutissues.Importantquestionsneedatwo-thirdsvoteoftheAssemblytopass. Thequestionofwhatisanimportantquestionisn’’timportant.Itsdecidedbythedelegatesthemselves—byasimplemajority. AlthoughtheGeneralAssemblyhasnotrecognizedauthoritytoenforceitsconclusionsonanythingotherthaninternalUNmattersitmakesitsviewpointsonissuesthatarebroughtbeforeitisknowninoneofthethreeways.AGeneralAssemblydeclarationisabroadstatementofgeneralprinciplesuchastheUniversalDeclarationofHumanRightspassedin1948.Declarationsareoftenputforwardasanexpressionofanidealinpracticetheyareregularlyignored.AGeneralAssemblyresolutionisessentiallyadocumentthatrecommendsthatmemberstatestakeaparticularpolicyaction.StatesclaimsovereigntyandmaketheirowndecisionsastowhethertheywillfollowaGeneralAssemblyresolution.Insomecaseshoweverifmanystatesimplementaparticularresolutionotherstatesthatmaynotwishtoactontheresolutionmayfeelthemselvespressuredtodosoanyway.Attheveryleastaresolutionhastheeffectoflegitimizingthepoliciesofthosestatesthatwishtocomplywiththeresolution.FinallyaGeneralAssemblyconventionortreatyhastwomeanings.ThemorecomprehensiveconventionreferstomultilateraltreatiesvotedonbytheGeneralAssemblythatuponpassagebytheGeneralAssemblyarecarriedbacktothecapitalsofmemberstatesforratificationbywhatevermeanseachstateusesdomestically.InothercasesaGeneralAssemblyconventionrefersspecificallytoatreatysignedbetweentheUnitedNationsandthegovernmentofanation-stateaswhenin1956EgyptagreedtoallowUnitedNationspeacekeepingforcestoenterEgyptianterritory. TheGeneralAssemblyisresponsiblefordealingwiththeinternationalmatters.
OntheTrain ThenighttrainfromGlasgowwassocrowdedthatDonaldwhowasonhiswaytoLondontofindatemporaryjobfortheuniversityvacationwishedthathehaddecidedtotravelbyday.Hehadneverbeensohardup. Hegotonthetrainandwalkedalongthecorridorofthesecond-classcompartments.Hecouldn’’tfindaseatanywhere.Hecouldnotaffordtotravelfirstclassandhedidnotwanttostandinthecorridor.Neitherdidhewanttositonhissuitcase.Hewassotiredthathedecidedtositdowninafirstclasscompartmentatleastforawhile.Hesoonfoundonewithasingleoccupant乘客agentlemanreadingdocumentsfromabriefcase.Withtheself-assuranceofafirstclasstravelerheopenedthedoorandwentin.Nosoonerhadhesatdownthantheticketinspectorarrived.Whatbadluck!Nowhewouldhavetopaytheexcess额外的fare.Asheturnedouthispockettofindenoughmoneyhesawthegentlemanwaswatchinghimwithamusement.Itwashumiliating令人感到羞辱的.Howeverhewassotiredthathesoonfellasleep. Presentlyhearinganoisehehalfopenedhiseyes.Notonlydidhenoticethathistravelingcompanionhadgonebuthealsosawthatarough-lookingmanwassearchingthroughthebusinessman’’sbriefcase.Donaldgrabbedthebriefcaseandwrenched猛夺itfreekickingattheman’’sleg.Themanfled. ThenthebusinessmanreturnedandfoundDonaldholdingthebriefcaseandpeeringinsideit.Donaldrealizedthathewasinquiteanawkwardsituationbutthemanwassmiling.Norwasthistheonlysurprisingthing.NotonlywasthegentlemanwhointroducedhimselfasMr.SmithsmilingbuthethankedDonaldwarmly.OnhiswaybacktothecompartmentMr.Smithhadseenthemanleavinginagreathurry.HehadsoquicklyassessedthesituationthatheknewDonaldwasinnocent. OnlyafteralongchatinwhichDonaldwasaskedmanyquestionsabouthimselfdidDonalddiscoverthatMr.SmithwasinfactmanagingdirectorofalargefactoryinLondon.DonaldhadneverimaginedthatthisstrangeincidentwouldhelphimtofindajobbutjustastheywereleavingthetrainMr.SmithofferedhimthepostoftemporaryNightSecurityOfficerforhisfactory. Accordingtoparagraphs1and2whichofthefollowingstatementsaboutDonaldisNOTtrue?
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.
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.
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.
TheDepartmentofResourcesnotifiedthetowncouncilthatthewatersupplywascontaminated.
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