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Interferon Forseveralyearsscientistshavebeentestingasubstancecalledinterferon干扰素apotentialwonderdrugthatisprovingtobeeffectiveintreatingavarietyofailmentsincludingvirusinfectionsbacteriainfectionsandtumors.Todatethenewdrughasprovokednonegativereactionofsufficientsignificancetodiscourageitsuse.Butinspiteofitssuccesslastyearonlyonegramwasproducedintheentireworld. Thereasonforthescarcityliesinthestructureofinterferon.Aspeciesspecificproteintheinterferonproducedfromoneanimalspeciescannotbeusedintreatinganotheranimalspecies.Inotherwordstotreathumanbeingsonlyinterferonproducedbyhumanbeingsmaybeused.Thedrugisproducedbyinfectingwhitebloodcellswithavirus.Fortunatelyitissopotentthattheamountgiveneachpatientperinjectionisverysmall. Unlikeantibiotics抗菌素interferondoesnotattackgermsdirectly.Insteaditmakesunaffectedcellsresistanttoinfectionandpreventsthemultiplicationofviruseswithincells. Asyoumightconcludeoneofthemostdramaticusesofinterferonhasbeeninthetreatmentofcancer.Dr.HansStranderresearchphysicianatSweden’’sfamousKarolinskaInstitutehastreatedmorethanonehundredcancerpatientswiththenewdrug.Amongagroupofselectedpatientswhohadundergonesurgicalproceduresforadvancedcancerhalfweregivenconventionaltreatmentsandtheotherhalfweregiveninterferon.Thesurvivalrateoverathree-yearperiodwas70percentamongthosewhoweretreatedwithinterferonascomparedwithonly10to30percentamongthosewhohadreceivedtheconventionaltreatments. IntheUnitedStatesalarge-scaleprojectsupportedbytheAmericanCancerSocietyisnowunderway.Iftheexperimentissuccessfulinterferoncouldbecomeoneofthegreatestmedicaldiscoveriesofourtime. Antibioticskillgermsbyattackingthemdirectlywhileinterferondoesnot.
MaleandFemalepilotscauseaccidentsdifferently MalepilotsflyinggeneralaviationprivateaircraftintheUnitedStatesaremorelikelytocrashduetoinattentionorflaweddecisionmakingwhilefemalepilotsaremorelikelytocrashfrommishandlingtheaircraft.ThesearetheresultsofastudybyresearchersattheJohnsHopkinsUniversityBloombergSchoolofPublicHealth. Thestudyidentifiesthedifferencesbetweenmaleandfemalepilotsintermsofcircumstancesofthecrashandthetypeofpilotserrorinvolved.Crashesofgeneralaviationaircraftaccountfor85percentofallaviationdeathsintheUnitedStates.ThecrashrateformalepilotsasformotorvehicledriversexceedsthatofcrashesoffemalepilotsexplainsSusanP.BakerMPHprofessorofhealthpolicyandmanagementattheBloombergSchoolofPublicHealth.Becausepilotyouthandinexperienceareestablishedcontributorstoaviationcrasheswefocusedononlymaturepilotstodeterminethegenderdifferencesinthereasonsforthecrash. Theresearchersextracteddataforthisstudyfromalargeresearchprojectonpilotagingandflightsafety.Thedataweregatheredfromgeneralaviationcrashesofairplanesandhelicoptersbetween1983and1997involving144femalepilotsand267malepilotsaged40-63.Femalepilotswerematchedwithmalepilotsina1:2ratiobyageclassesofmedicalandpilotcertificatesstateorareaofcrashandyearofcrash.Thenthecircumstancesofthecrashesandthepiloterrorinvolvedwerecategorizedandcodedwithoutknowledgeofpilotgender. Theresearchersfoundthatlossofcontrolonlandingortakeoffwasthemostcommoncircumstanceforbothsexesleadingto59percentoffemalepilots’crashesand36percentofmales’’.Experiencingmechanicalfailurerunningoutoffuelandlandingtheplanewiththelandinggearupwereamongthefactorsmorelikelywithmaleswhilestallingwasmorelikelywithfemales. Themajorityofthecrashes—95percentforfemalesand88percentformales—involvedatleastonetypeofpiloterror.Mishandlingaircraftkineticswasthemostcommonerrorforbothsexesbutwasmorecommonamongfemalesaccountingfor81percentofthecrashesthanmalesaccountingfor48percent.Maleshoweverappearedmorelikelytobeguiltyofpoordecision-makingrisk-takingandinattentivenessexamplesofwhichincludemisjudgingweatherandvisibilityorflyinganaircraftwithaknowndefect.Femalesthoughmorelikelytomishandleorlosecontroloftheaircraftweregenerallymorecarefulthantheirmalecounterparts. inattention/n.疏忽 aviation/n.航空 flawed/adj.有缺陷的 mishandle/v.瞎弄乱处理 MPHMasterofPublicHealth公共卫生硕士 gender/n.性性别 runout耗尽用完 stallv.飞机失速发动机熄火 kinetics/n.动力学 WhichofthestatementsisNOTtrueaccordingtothesecondparagraph?
HeartAttack IntheUnitedStatesandespeciallyinbigcitiesandruralareastensofthousandsofpeoplewithheartsthatshouldbegood【51】tokeepthemalivedieeachyearforlackofadequatefirstaid.InNewYorkCityforexampleanewstudyhasshownthatonlyonepersonin100outsideofhospitals【52】aftertheheartsuddenlystopspumping.IncontrastinSeattlethesurvival【53】aftersuchheartattacksisoneinfive. Thedifferencecanbetraced【54】theeffectivenessofthechainofsurvivalDr.JosephP.Ornatosaid.Eachlinkinthe【55】mustbestrongenoughformanylivestobe【56】. Thechainbeginswithanimmediatetelephone【57】foremergencyhelpandthestartwithinfourminutesoftheprocessneededforrestartingthe【58】workingbyafamilymemberorbystander旁观者. Itcontinueswiththepromptarrival-------withineight【59】tenminutesofarescuerequippedwithaspecialinstrumentthatcanshocktheheartbacktoanormalrhythm.Anditendswiththeadministration给予实施ofadvanced先进emergencycarebynursestomaintaintheheart’’sabilitytosurviveuntilthedoctorsatthehospitalscantake【60】Whenoneormorelinksinthischainfailorfunctiontooslowlythe【61】ofavictimsurvivingheartattackfallsrapidly.Becauseofwidespreadweaknessesinthechainof【62】expertsinemergencyheartcareestimatethat20000to80000people【63】needlesslyofheartattackeachyearanumbercomparabletothe55000killedannuallyinautomobile【64】. OneexpertsaysSendinganemergencyvehicletoaheartattackvictim【65】thespecialequipmentislikehavingpolicemenwithgunsbutnobullets.Theymayputonagoodshowbuttheylacktheweaponneededtogetthejobdone.
HeartAttack IntheUnitedStatesandespeciallyinbigcitiesandruralareastensofthousandsofpeoplewithheartsthatshouldbegood【51】tokeepthemalivedieeachyearforlackofadequatefirstaid.InNewYorkCityforexampleanewstudyhasshownthatonlyonepersonin100outsideofhospitals【52】aftertheheartsuddenlystopspumping.IncontrastinSeattlethesurvival【53】aftersuchheartattacksisoneinfive. Thedifferencecanbetraced【54】theeffectivenessofthechainofsurvivalDr.JosephP.Ornatosaid.Eachlinkinthe【55】mustbestrongenoughformanylivestobe【56】. Thechainbeginswithanimmediatetelephone【57】foremergencyhelpandthestartwithinfourminutesoftheprocessneededforrestartingthe【58】workingbyafamilymemberorbystander旁观者. Itcontinueswiththepromptarrival-------withineight【59】tenminutesofarescuerequippedwithaspecialinstrumentthatcanshocktheheartbacktoanormalrhythm.Anditendswiththeadministration给予实施ofadvanced先进emergencycarebynursestomaintaintheheart’’sabilitytosurviveuntilthedoctorsatthehospitalscantake【60】Whenoneormorelinksinthischainfailorfunctiontooslowlythe【61】ofavictimsurvivingheartattackfallsrapidly.Becauseofwidespreadweaknessesinthechainof【62】expertsinemergencyheartcareestimatethat20000to80000people【63】needlesslyofheartattackeachyearanumbercomparabletothe55000killedannuallyinautomobile【64】. OneexpertsaysSendinganemergencyvehicletoaheartattackvictim【65】thespecialequipmentislikehavingpolicemenwithgunsbutnobullets.Theymayputonagoodshowbuttheylacktheweaponneededtogetthejobdone.
PrematureSmoking:ASeriousProblem ThethirdreportonsmokingandhealthfromtheRoyalCollegeofPhysicianswhichwaspublishedthismonthcontainsimportantnewsectionsonthesmokinghabitsofchildrenandthepossibleeffectontheirfuturehealth. Theseincludeatwentyfoldintheincreaseintheriskoflungcancerinheavysmokersandanincreaseofaboutthreeandahalftimesintheriskofdyingfromcoronary冠状的heartdisease;chronic慢性的oronchitis支气管炎andemphysema肺气肿arealsomuchcommoner.Teachersplayanimportantpartindeterminingtheattitudeofchildrentosmokingwhetherornotthechildrenstarttosmokeandinprovidingknowledgeabouttheconsequencesofsmoking. WheneverIseechildrenofschoolageopenlysmokinginpublicIwonderwhethertheyreallyunderstandwhattheyaredoing.Probablymostdonot.Iatleastknowthatmyclinicalpracticeinlungdiseasewillnotbeshortofpatientsfortherestofmyworkinglife.About34percentofboysaged15smokeandtwothirdsofthisnumberofgirls.Overthepasttenyearstherehasbeenasmallbutwelcomereductioninthenumberofboyswhosmokeatthisagebutanincreaseinthenumberofgirls. Onelargestudyhasshownthatofthosechildrenwhosmokemorethanonecigaretteasmanyas85percentbecomehabitual习惯的smokers.Thisispartlybecausenicotineisoneofthemostdependent—producingdrugsknownonaparwithheroinandotherharddrugsinthisrespect.Oneinthreesmokersstartbeforetheageofninesomeevenasyoungasfive. Thecausesofprematuredeathwhichone-thirdofsmokerswillsufferandoftheprolongedillnesseswhichaffectsomanyofthemaredescribedinthereport;itsenoughtosaythattheyoungerachildstartstosmokethegreaterarehischancesofdyingearly. Ithasbeenshownthatchildrenwhosmokehavecertaincharacteristics.Comparedwithnonsmokerstheyaremorerebellious__的theirworkdeteriorates使变坏astheymoveupschooltheyaremorelikelytoleaveschoolearlyandaremoreoftendelinquent违法的andsexually性的precocious早熟.Manyofthesefeaturescanbesummarizedasanticipationofadulthood. Thereareanumberoffactorswhichdeterminetheonset开始ofsmokingandthesearelargelypsychologicalandsocial.Theyincludeavailabilityofcigarettescuriosityrebelliousnessappearingtoughanticipationofadulthoodsocialconfidenceexampleofparentsandteachersandsmokingbyfriendsandolderbrothersandsisters. Itshouldbemucheasiertopreventchildrenfromstartingtosmokethantopersuadesadultstogiveupthehabitonceestablishedbutinfactthishasprovedverydifficult.Theexamplesetbypeopleinauthorityespeciallyparentshealthcareworkersandteachersisofprimeimportance.Schoolrulesshouldforbidsmokingbychildrenonthepremises场所.ThisrulehasevenbeenintroducedatSummerhillSchoolwhereIspentmyschooldays. Thereishoweverariskofchildrensmokingjusttorebelagainsttherulesandeveninthoseschoolswhichhavetriedtoenforcenosmokingbycorporeal肉体的punishmentthereismuchsmokingasinotherschoolsNeverthelessbanningsmokingisprobablyonbalancebeneficial.Teacherstooshouldnotsmokeonschoolpremisesatleastnotinfrontofchildren. Whatmeasuresshouldbetakenbyschoolstodissuadechildrenfromsmoking?
HeartAttack IntheUnitedStatesandespeciallyinbigcitiesandruralareastensofthousandsofpeoplewithheartsthatshouldbegood【51】tokeepthemalivedieeachyearforlackofadequatefirstaid.InNewYorkCityforexampleanewstudyhasshownthatonlyonepersonin100outsideofhospitals【52】aftertheheartsuddenlystopspumping.IncontrastinSeattlethesurvival【53】aftersuchheartattacksisoneinfive. Thedifferencecanbetraced【54】theeffectivenessofthechainofsurvivalDr.JosephP.Ornatosaid.Eachlinkinthe【55】mustbestrongenoughformanylivestobe【56】. Thechainbeginswithanimmediatetelephone【57】foremergencyhelpandthestartwithinfourminutesoftheprocessneededforrestartingthe【58】workingbyafamilymemberorbystander旁观者. Itcontinueswiththepromptarrival-------withineight【59】tenminutesofarescuerequippedwithaspecialinstrumentthatcanshocktheheartbacktoanormalrhythm.Anditendswiththeadministration给予实施ofadvanced先进emergencycarebynursestomaintaintheheart’’sabilitytosurviveuntilthedoctorsatthehospitalscantake【60】Whenoneormorelinksinthischainfailorfunctiontooslowlythe【61】ofavictimsurvivingheartattackfallsrapidly.Becauseofwidespreadweaknessesinthechainof【62】expertsinemergencyheartcareestimatethat20000to80000people【63】needlesslyofheartattackeachyearanumbercomparabletothe55000killedannuallyinautomobile【64】. OneexpertsaysSendinganemergencyvehicletoaheartattackvictim【65】thespecialequipmentislikehavingpolicemenwithgunsbutnobullets.Theymayputonagoodshowbuttheylacktheweaponneededtogetthejobdone.
LargeareasofAlaskanlandremaindesolateduetoharshclimate.
{{*HTML*}}??下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 {{B}}??????? ??????????? ????????PrettyGood{{/B}}? ?WhenSpanishfootballclubBarcelonapaidUS$35millionforRonaldinho lastsummertheyweren’tbuyingaprettyface.Iam{{U}}?51?{{/U}} admitstheBraziliansuperstar超级明星.Buteveryonehasgotadifferentkindof beauty.WhatI{{U}}?52?{{/U}}haveischarm.??Indeedhe has.Hisbuckteeth龅牙flowinghairbigsmileandofcoursehis{{U}} ?53?{{/U}}skillsarealwayseye-catchingonthepitch.The 23-year-oldstriker中锋scoredtwogoalsina3-2winoverDeportivoLaCoruna onMarch1.ItwasBarcelona’ssixthwininarowandthankstotheir Brazilian’s10-goalcontribution{{U}}?54?{{/U}}lookedlikeapoor seasoncouldnowendasuccess.??Ronaldinho-fullnameRonaldo DeAssisMoreira-isoneofmanySouthAmericanswholearnedtheirskills playinginthebackstreetsbefore{{U}}?55?{{/U}}themoffontheworld stage.??Greatthingswere{{U}}?56?{{/U}}whenGremio signedhimasaseven-year-oldandhesoonbecamefriendswithRonaldowhowas thentheotheryoungstarofBrazilianfootball.ItwasRonaldowhofirstcalled himRonaldinhowhich{{U}}?57?{{/U}}LittleRonaldo.??He first{{U}}?58?{{/U}}forhiscountryin1999butitwasatthe2002 WorldCupwhereheshowedhisrealworthscoringanunbelievablefree-kickin Brazil’squarter-finalvictory{{U}}?59?{{/U}}England.? ?IhaveneverfailedtodeliverinbigmatchesRonaldinhosays.Mygame isbasedonimprovisation即兴表演.Oftenaforwarddoesnothavethetimeto decidewhethertoshootor{{U}}?60?{{/U}}.Itisinstinctthatgives outtheorders.??WhilehemaynothaveDavidBeckham’sgood looksRonaldinhohasa{{U}}?61?{{/U}}reputationoffthepitch.At formerclubParisSaintGermainwhichsoldhimtoBarcelonahebroke{{U}} ?62?{{/U}}rulesbygoingoutandenjoyingthecity’s nightlife.??WithoutdoubtRonaldinhoisthemost{{U}}?63 ?{{/U}}playerIhaveevercomeacrosssaysformerPSGcoachLuisFerdandez. Themain{{U}}?64?{{/U}}foranycoachisthatoneplayerwithout disciplinecanhurtthewholeteam.??ButRonaldinhodoesn’t thinkhehasdoneanythingwrong.Iamjustayoungpersonwhoenjoys{{U}} ?65?{{/U}}hesays.
{{*HTML*}}??下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 {{B}}??????? ??????????? ????????PrettyGood{{/B}}? ?WhenSpanishfootballclubBarcelonapaidUS$35millionforRonaldinho lastsummertheyweren’tbuyingaprettyface.Iam{{U}}?51?{{/U}} admitstheBraziliansuperstar超级明星.Buteveryonehasgotadifferentkindof beauty.WhatI{{U}}?52?{{/U}}haveischarm.??Indeedhe has.Hisbuckteeth龅牙flowinghairbigsmileandofcoursehis{{U}} ?53?{{/U}}skillsarealwayseye-catchingonthepitch.The 23-year-oldstriker中锋scoredtwogoalsina3-2winoverDeportivoLaCoruna onMarch1.ItwasBarcelona’ssixthwininarowandthankstotheir Brazilian’s10-goalcontribution{{U}}?54?{{/U}}lookedlikeapoor seasoncouldnowendasuccess.??Ronaldinho-fullnameRonaldo DeAssisMoreira-isoneofmanySouthAmericanswholearnedtheirskills playinginthebackstreetsbefore{{U}}?55?{{/U}}themoffontheworld stage.??Greatthingswere{{U}}?56?{{/U}}whenGremio signedhimasaseven-year-oldandhesoonbecamefriendswithRonaldowhowas thentheotheryoungstarofBrazilianfootball.ItwasRonaldowhofirstcalled himRonaldinhowhich{{U}}?57?{{/U}}LittleRonaldo.??He first{{U}}?58?{{/U}}forhiscountryin1999butitwasatthe2002 WorldCupwhereheshowedhisrealworthscoringanunbelievablefree-kickin Brazil’squarter-finalvictory{{U}}?59?{{/U}}England.? ?IhaveneverfailedtodeliverinbigmatchesRonaldinhosays.Mygame isbasedonimprovisation即兴表演.Oftenaforwarddoesnothavethetimeto decidewhethertoshootor{{U}}?60?{{/U}}.Itisinstinctthatgives outtheorders.??WhilehemaynothaveDavidBeckham’sgood looksRonaldinhohasa{{U}}?61?{{/U}}reputationoffthepitch.At formerclubParisSaintGermainwhichsoldhimtoBarcelonahebroke{{U}} ?62?{{/U}}rulesbygoingoutandenjoyingthecity’s nightlife.??WithoutdoubtRonaldinhoisthemost{{U}}?63 ?{{/U}}playerIhaveevercomeacrosssaysformerPSGcoachLuisFerdandez. Themain{{U}}?64?{{/U}}foranycoachisthatoneplayerwithout disciplinecanhurtthewholeteam.??ButRonaldinhodoesn’t thinkhehasdoneanythingwrong.Iamjustayoungpersonwhoenjoys{{U}} ?65?{{/U}}hesays.
Interferon Forseveralyearsscientistshavebeentestingasubstancecalledinterferon干扰素apotentialwonderdrugthatisprovingtobeeffectiveintreatingavarietyofailmentsincludingvirusinfectionsbacteriainfectionsandtumors.Todatethenewdrughasprovokednonegativereactionofsufficientsignificancetodiscourageitsuse.Butinspiteofitssuccesslastyearonlyonegramwasproducedintheentireworld. Thereasonforthescarcityliesinthestructureofinterferon.Aspeciesspecificproteintheinterferonproducedfromoneanimalspeciescannotbeusedintreatinganotheranimalspecies.Inotherwordstotreathumanbeingsonlyinterferonproducedbyhumanbeingsmaybeused.Thedrugisproducedbyinfectingwhitebloodcellswithavirus.Fortunatelyitissopotentthattheamountgiveneachpatientperinjectionisverysmall. Unlikeantibiotics抗菌素interferondoesnotattackgermsdirectly.Insteaditmakesunaffectedcellsresistanttoinfectionandpreventsthemultiplicationofviruseswithincells. Asyoumightconcludeoneofthemostdramaticusesofinterferonhasbeeninthetreatmentofcancer.Dr.HansStranderresearchphysicianatSweden’’sfamousKarolinskaInstitutehastreatedmorethanonehundredcancerpatientswiththenewdrug.Amongagroupofselectedpatientswhohadundergonesurgicalproceduresforadvancedcancerhalfweregivenconventionaltreatmentsandtheotherhalfweregiveninterferon.Thesurvivalrateoverathree-yearperiodwas70percentamongthosewhoweretreatedwithinterferonascomparedwithonly10to30percentamongthosewhohadreceivedtheconventionaltreatments. IntheUnitedStatesalarge-scaleprojectsupportedbytheAmericanCancerSocietyisnowunderway.Iftheexperimentissuccessfulinterferoncouldbecomeoneofthegreatestmedicaldiscoveriesofourtime. TheresultofDr.Strandersexperimentswithinterferonisthat70percentamongpatientswhoweretreatedwithinterferonsurvived.
Ihaveapermanentjobhere.
Securityofficialssaythatcomputercrimeiseasytoaccomplishandhardtodetect.
DuringtheUnitedStatesCivilwarmanypeopleinthesouthwereforcedtofleetheirhome.
Suburb Ifsuburbismeantanurbanmarginthatgrowsmorerapidlythanitsalreadydevelopedinteriortheprocessofsuburbanizationbeganduringtheemergenceoftheindustrialcityinthesecondquarterofthenineteenthcentury.Beforethatperiodthecitywasasmallhighlycompactclusterinwhichpeoplemovedaboutonfootandgoodswereconveyedbyhorseandcart.Buttheearlyfactoriesbuiltinthe1830’’sand1840’’swerelocatedalongwaterwaysandnearrailheadsattheedgesofcitiesandhousingwasneededforthethousandsofpeopledrawnbytheprospectofemployment.Intimethefactoriesweresurroundedbyproliferatingmilltownsofapartmentsandrowhousesaroundtheoldermaincities.Asadefenceagainstthisencroachmentandtoenlargetheirtaxbasesthecitiesappropriatedtheirindustrialneighbors.In1854forexamplethecityofPhiladelphiaannexedmostofPhiladelphiaCounty.SimilarmunicipalmaneuverstookplaceinChicagoandinNewYork.IndeedmostgreatcitiesoftheUnitedStatesachievedsuchstatusonlybyincorporatingthecommunitiesalongtheirborders. Withtheaccelerationofindustrialgrowthcomeacuteurbancrowdingandaccompanyingsocialstress-conditionsbegantoapproachdisastrousproportionswhenin1888thefirstcommerciallysuccessfulelectrictractionlinewasdeveloped.Withinafewyearsthehorse-drawntrolleyswereretiredandelectricstreetcarnetworkscrisscrossedandconnectedeverymajorurbanareafosteringawaveofsuburbanizationthattransformedthecompactindustrialcityintoadispersedmetropolis.Thisfirstphaseofmass-scalesuburbanizationwasreinforcedbythesimultaneousemergenceoftheurbanmiddleclasswhosedesiresforhomeownershipinneighborhoodsfarfromtheaginginnercityweresatisfiedbythedevelopingofsingle-familyhousingtracts. Inthepassagethewordencroachmentreferstowhichofthefollowing?
Attheconferencethespeakertriedtoexpresshisfeelingsconcerningtheurgencyoffavorabledecisions.
GlassmakingwasthefirstmajorindustryintheUnitedStates.
{{*HTML*}}??下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 {{B}}??????? ??????????? ????????PrettyGood{{/B}}? ?WhenSpanishfootballclubBarcelonapaidUS$35millionforRonaldinho lastsummertheyweren’tbuyingaprettyface.Iam{{U}}?51?{{/U}} admitstheBraziliansuperstar超级明星.Buteveryonehasgotadifferentkindof beauty.WhatI{{U}}?52?{{/U}}haveischarm.??Indeedhe has.Hisbuckteeth龅牙flowinghairbigsmileandofcoursehis{{U}} ?53?{{/U}}skillsarealwayseye-catchingonthepitch.The 23-year-oldstriker中锋scoredtwogoalsina3-2winoverDeportivoLaCoruna onMarch1.ItwasBarcelona’ssixthwininarowandthankstotheir Brazilian’s10-goalcontribution{{U}}?54?{{/U}}lookedlikeapoor seasoncouldnowendasuccess.??Ronaldinho-fullnameRonaldo DeAssisMoreira-isoneofmanySouthAmericanswholearnedtheirskills playinginthebackstreetsbefore{{U}}?55?{{/U}}themoffontheworld stage.??Greatthingswere{{U}}?56?{{/U}}whenGremio signedhimasaseven-year-oldandhesoonbecamefriendswithRonaldowhowas thentheotheryoungstarofBrazilianfootball.ItwasRonaldowhofirstcalled himRonaldinhowhich{{U}}?57?{{/U}}LittleRonaldo.??He first{{U}}?58?{{/U}}forhiscountryin1999butitwasatthe2002 WorldCupwhereheshowedhisrealworthscoringanunbelievablefree-kickin Brazil’squarter-finalvictory{{U}}?59?{{/U}}England.? ?IhaveneverfailedtodeliverinbigmatchesRonaldinhosays.Mygame isbasedonimprovisation即兴表演.Oftenaforwarddoesnothavethetimeto decidewhethertoshootor{{U}}?60?{{/U}}.Itisinstinctthatgives outtheorders.??WhilehemaynothaveDavidBeckham’sgood looksRonaldinhohasa{{U}}?61?{{/U}}reputationoffthepitch.At formerclubParisSaintGermainwhichsoldhimtoBarcelonahebroke{{U}} ?62?{{/U}}rulesbygoingoutandenjoyingthecity’s nightlife.??WithoutdoubtRonaldinhoisthemost{{U}}?63 ?{{/U}}playerIhaveevercomeacrosssaysformerPSGcoachLuisFerdandez. Themain{{U}}?64?{{/U}}foranycoachisthatoneplayerwithout disciplinecanhurtthewholeteam.??ButRonaldinhodoesn’t thinkhehasdoneanythingwrong.Iamjustayoungpersonwhoenjoys{{U}} ?65?{{/U}}hesays.
PrematureSmoking:ASeriousProblem ThethirdreportonsmokingandhealthfromtheRoyalCollegeofPhysicianswhichwaspublishedthismonthcontainsimportantnewsectionsonthesmokinghabitsofchildrenandthepossibleeffectontheirfuturehealth. Theseincludeatwentyfoldintheincreaseintheriskoflungcancerinheavysmokersandanincreaseofaboutthreeandahalftimesintheriskofdyingfromcoronary冠状的heartdisease;chronic慢性的oronchitis支气管炎andemphysema肺气肿arealsomuchcommoner.Teachersplayanimportantpartindeterminingtheattitudeofchildrentosmokingwhetherornotthechildrenstarttosmokeandinprovidingknowledgeabouttheconsequencesofsmoking. WheneverIseechildrenofschoolageopenlysmokinginpublicIwonderwhethertheyreallyunderstandwhattheyaredoing.Probablymostdonot.Iatleastknowthatmyclinicalpracticeinlungdiseasewillnotbeshortofpatientsfortherestofmyworkinglife.About34percentofboysaged15smokeandtwothirdsofthisnumberofgirls.Overthepasttenyearstherehasbeenasmallbutwelcomereductioninthenumberofboyswhosmokeatthisagebutanincreaseinthenumberofgirls. Onelargestudyhasshownthatofthosechildrenwhosmokemorethanonecigaretteasmanyas85percentbecomehabitual习惯的smokers.Thisispartlybecausenicotineisoneofthemostdependent—producingdrugsknownonaparwithheroinandotherharddrugsinthisrespect.Oneinthreesmokersstartbeforetheageofninesomeevenasyoungasfive. Thecausesofprematuredeathwhichone-thirdofsmokerswillsufferandoftheprolongedillnesseswhichaffectsomanyofthemaredescribedinthereport;itsenoughtosaythattheyoungerachildstartstosmokethegreaterarehischancesofdyingearly. Ithasbeenshownthatchildrenwhosmokehavecertaincharacteristics.Comparedwithnonsmokerstheyaremorerebellious__的theirworkdeteriorates使变坏astheymoveupschooltheyaremorelikelytoleaveschoolearlyandaremoreoftendelinquent违法的andsexually性的precocious早熟.Manyofthesefeaturescanbesummarizedasanticipationofadulthood. Thereareanumberoffactorswhichdeterminetheonset开始ofsmokingandthesearelargelypsychologicalandsocial.Theyincludeavailabilityofcigarettescuriosityrebelliousnessappearingtoughanticipationofadulthoodsocialconfidenceexampleofparentsandteachersandsmokingbyfriendsandolderbrothersandsisters. Itshouldbemucheasiertopreventchildrenfromstartingtosmokethantopersuadesadultstogiveupthehabitonceestablishedbutinfactthishasprovedverydifficult.Theexamplesetbypeopleinauthorityespeciallyparentshealthcareworkersandteachersisofprimeimportance.Schoolrulesshouldforbidsmokingbychildrenonthepremises场所.ThisrulehasevenbeenintroducedatSummerhillSchoolwhereIspentmyschooldays. Thereishoweverariskofchildrensmokingjusttorebelagainsttherulesandeveninthoseschoolswhichhavetriedtoenforcenosmokingbycorporeal肉体的punishmentthereismuchsmokingasinotherschoolsNeverthelessbanningsmokingisprobablyonbalancebeneficial.Teacherstooshouldnotsmokeonschoolpremisesatleastnotinfrontofchildren. Whatconnectionissuggestedinthepassagebetweensmokingandheroinaddiction?
Whenhearrivedhomehedepositedhiscoatonthefloor.
Interferon Forseveralyearsscientistshavebeentestingasubstancecalledinterferon干扰素apotentialwonderdrugthatisprovingtobeeffectiveintreatingavarietyofailmentsincludingvirusinfectionsbacteriainfectionsandtumors.Todatethenewdrughasprovokednonegativereactionofsufficientsignificancetodiscourageitsuse.Butinspiteofitssuccesslastyearonlyonegramwasproducedintheentireworld. Thereasonforthescarcityliesinthestructureofinterferon.Aspeciesspecificproteintheinterferonproducedfromoneanimalspeciescannotbeusedintreatinganotheranimalspecies.Inotherwordstotreathumanbeingsonlyinterferonproducedbyhumanbeingsmaybeused.Thedrugisproducedbyinfectingwhitebloodcellswithavirus.Fortunatelyitissopotentthattheamountgiveneachpatientperinjectionisverysmall. Unlikeantibiotics抗菌素interferondoesnotattackgermsdirectly.Insteaditmakesunaffectedcellsresistanttoinfectionandpreventsthemultiplicationofviruseswithincells. Asyoumightconcludeoneofthemostdramaticusesofinterferonhasbeeninthetreatmentofcancer.Dr.HansStranderresearchphysicianatSweden’’sfamousKarolinskaInstitutehastreatedmorethanonehundredcancerpatientswiththenewdrug.Amongagroupofselectedpatientswhohadundergonesurgicalproceduresforadvancedcancerhalfweregivenconventionaltreatmentsandtheotherhalfweregiveninterferon.Thesurvivalrateoverathree-yearperiodwas70percentamongthosewhoweretreatedwithinterferonascomparedwithonly10to30percentamongthosewhohadreceivedtheconventionaltreatments. IntheUnitedStatesalarge-scaleprojectsupportedbytheAmericanCancerSocietyisnowunderway.Iftheexperimentissuccessfulinterferoncouldbecomeoneofthegreatestmedicaldiscoveriesofourtime. Interferonisproducedbyinfectingvirusesbacteriaandtumorswithadrug.
{{*HTML*}}??下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 {{B}}??????? ??????????? ????????PrettyGood{{/B}}? ?WhenSpanishfootballclubBarcelonapaidUS$35millionforRonaldinho lastsummertheyweren’tbuyingaprettyface.Iam{{U}}?51?{{/U}} admitstheBraziliansuperstar超级明星.Buteveryonehasgotadifferentkindof beauty.WhatI{{U}}?52?{{/U}}haveischarm.??Indeedhe has.Hisbuckteeth龅牙flowinghairbigsmileandofcoursehis{{U}} ?53?{{/U}}skillsarealwayseye-catchingonthepitch.The 23-year-oldstriker中锋scoredtwogoalsina3-2winoverDeportivoLaCoruna onMarch1.ItwasBarcelona’ssixthwininarowandthankstotheir Brazilian’s10-goalcontribution{{U}}?54?{{/U}}lookedlikeapoor seasoncouldnowendasuccess.??Ronaldinho-fullnameRonaldo DeAssisMoreira-isoneofmanySouthAmericanswholearnedtheirskills playinginthebackstreetsbefore{{U}}?55?{{/U}}themoffontheworld stage.??Greatthingswere{{U}}?56?{{/U}}whenGremio signedhimasaseven-year-oldandhesoonbecamefriendswithRonaldowhowas thentheotheryoungstarofBrazilianfootball.ItwasRonaldowhofirstcalled himRonaldinhowhich{{U}}?57?{{/U}}LittleRonaldo.??He first{{U}}?58?{{/U}}forhiscountryin1999butitwasatthe2002 WorldCupwhereheshowedhisrealworthscoringanunbelievablefree-kickin Brazil’squarter-finalvictory{{U}}?59?{{/U}}England.? ?IhaveneverfailedtodeliverinbigmatchesRonaldinhosays.Mygame isbasedonimprovisation即兴表演.Oftenaforwarddoesnothavethetimeto decidewhethertoshootor{{U}}?60?{{/U}}.Itisinstinctthatgives outtheorders.??WhilehemaynothaveDavidBeckham’sgood looksRonaldinhohasa{{U}}?61?{{/U}}reputationoffthepitch.At formerclubParisSaintGermainwhichsoldhimtoBarcelonahebroke{{U}} ?62?{{/U}}rulesbygoingoutandenjoyingthecity’s nightlife.??WithoutdoubtRonaldinhoisthemost{{U}}?63 ?{{/U}}playerIhaveevercomeacrosssaysformerPSGcoachLuisFerdandez. Themain{{U}}?64?{{/U}}foranycoachisthatoneplayerwithout disciplinecanhurtthewholeteam.??ButRonaldinhodoesn’t thinkhehasdoneanythingwrong.Iamjustayoungpersonwhoenjoys{{U}} ?65?{{/U}}hesays.
MaleandFemalepilotscauseaccidentsdifferently MalepilotsflyinggeneralaviationprivateaircraftintheUnitedStatesaremorelikelytocrashduetoinattentionorflaweddecisionmakingwhilefemalepilotsaremorelikelytocrashfrommishandlingtheaircraft.ThesearetheresultsofastudybyresearchersattheJohnsHopkinsUniversityBloombergSchoolofPublicHealth. Thestudyidentifiesthedifferencesbetweenmaleandfemalepilotsintermsofcircumstancesofthecrashandthetypeofpilotserrorinvolved.Crashesofgeneralaviationaircraftaccountfor85percentofallaviationdeathsintheUnitedStates.ThecrashrateformalepilotsasformotorvehicledriversexceedsthatofcrashesoffemalepilotsexplainsSusanP.BakerMPHprofessorofhealthpolicyandmanagementattheBloombergSchoolofPublicHealth.Becausepilotyouthandinexperienceareestablishedcontributorstoaviationcrasheswefocusedononlymaturepilotstodeterminethegenderdifferencesinthereasonsforthecrash. Theresearchersextracteddataforthisstudyfromalargeresearchprojectonpilotagingandflightsafety.Thedataweregatheredfromgeneralaviationcrashesofairplanesandhelicoptersbetween1983and1997involving144femalepilotsand267malepilotsaged40-63.Femalepilotswerematchedwithmalepilotsina1:2ratiobyageclassesofmedicalandpilotcertificatesstateorareaofcrashandyearofcrash.Thenthecircumstancesofthecrashesandthepiloterrorinvolvedwerecategorizedandcodedwithoutknowledgeofpilotgender. Theresearchersfoundthatlossofcontrolonlandingortakeoffwasthemostcommoncircumstanceforbothsexesleadingto59percentoffemalepilots’crashesand36percentofmales’’.Experiencingmechanicalfailurerunningoutoffuelandlandingtheplanewiththelandinggearupwereamongthefactorsmorelikelywithmaleswhilestallingwasmorelikelywithfemales. Themajorityofthecrashes—95percentforfemalesand88percentformales—involvedatleastonetypeofpiloterror.Mishandlingaircraftkineticswasthemostcommonerrorforbothsexesbutwasmorecommonamongfemalesaccountingfor81percentofthecrashesthanmalesaccountingfor48percent.Maleshoweverappearedmorelikelytobeguiltyofpoordecision-makingrisk-takingandinattentivenessexamplesofwhichincludemisjudgingweatherandvisibilityorflyinganaircraftwithaknowndefect.Femalesthoughmorelikelytomishandleorlosecontroloftheaircraftweregenerallymorecarefulthantheirmalecounterparts. inattention/n.疏忽 aviation/n.航空 flawed/adj.有缺陷的 mishandle/v.瞎弄乱处理 MPHMasterofPublicHealth公共卫生硕士 gender/n.性性别 runout耗尽用完 stallv.飞机失速发动机熄火 kinetics/n.动力学 Whatisthemostcommoncircumstanceofcrashwithfemalepilots?
Suburb Ifsuburbismeantanurbanmarginthatgrowsmorerapidlythanitsalreadydevelopedinteriortheprocessofsuburbanizationbeganduringtheemergenceoftheindustrialcityinthesecondquarterofthenineteenthcentury.Beforethatperiodthecitywasasmallhighlycompactclusterinwhichpeoplemovedaboutonfootandgoodswereconveyedbyhorseandcart.Buttheearlyfactoriesbuiltinthe1830’’sand1840’’swerelocatedalongwaterwaysandnearrailheadsattheedgesofcitiesandhousingwasneededforthethousandsofpeopledrawnbytheprospectofemployment.Intimethefactoriesweresurroundedbyproliferatingmilltownsofapartmentsandrowhousesaroundtheoldermaincities.Asadefenceagainstthisencroachmentandtoenlargetheirtaxbasesthecitiesappropriatedtheirindustrialneighbors.In1854forexamplethecityofPhiladelphiaannexedmostofPhiladelphiaCounty.SimilarmunicipalmaneuverstookplaceinChicagoandinNewYork.IndeedmostgreatcitiesoftheUnitedStatesachievedsuchstatusonlybyincorporatingthecommunitiesalongtheirborders. Withtheaccelerationofindustrialgrowthcomeacuteurbancrowdingandaccompanyingsocialstress-conditionsbegantoapproachdisastrousproportionswhenin1888thefirstcommerciallysuccessfulelectrictractionlinewasdeveloped.Withinafewyearsthehorse-drawntrolleyswereretiredandelectricstreetcarnetworkscrisscrossedandconnectedeverymajorurbanareafosteringawaveofsuburbanizationthattransformedthecompactindustrialcityintoadispersedmetropolis.Thisfirstphaseofmass-scalesuburbanizationwasreinforcedbythesimultaneousemergenceoftheurbanmiddleclasswhosedesiresforhomeownershipinneighborhoodsfarfromtheaginginnercityweresatisfiedbythedevelopingofsingle-familyhousingtracts. Whereinthetextdoestheauthordescribethecitiesastheywerepriortosuburbanization?
{{*HTML*}}??下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 {{B}}??????? ??????????? ????????PrettyGood{{/B}}? ?WhenSpanishfootballclubBarcelonapaidUS$35millionforRonaldinho lastsummertheyweren’tbuyingaprettyface.Iam{{U}}?51?{{/U}} admitstheBraziliansuperstar超级明星.Buteveryonehasgotadifferentkindof beauty.WhatI{{U}}?52?{{/U}}haveischarm.??Indeedhe has.Hisbuckteeth龅牙flowinghairbigsmileandofcoursehis{{U}} ?53?{{/U}}skillsarealwayseye-catchingonthepitch.The 23-year-oldstriker中锋scoredtwogoalsina3-2winoverDeportivoLaCoruna onMarch1.ItwasBarcelona’ssixthwininarowandthankstotheir Brazilian’s10-goalcontribution{{U}}?54?{{/U}}lookedlikeapoor seasoncouldnowendasuccess.??Ronaldinho-fullnameRonaldo DeAssisMoreira-isoneofmanySouthAmericanswholearnedtheirskills playinginthebackstreetsbefore{{U}}?55?{{/U}}themoffontheworld stage.??Greatthingswere{{U}}?56?{{/U}}whenGremio signedhimasaseven-year-oldandhesoonbecamefriendswithRonaldowhowas thentheotheryoungstarofBrazilianfootball.ItwasRonaldowhofirstcalled himRonaldinhowhich{{U}}?57?{{/U}}LittleRonaldo.??He first{{U}}?58?{{/U}}forhiscountryin1999butitwasatthe2002 WorldCupwhereheshowedhisrealworthscoringanunbelievablefree-kickin Brazil’squarter-finalvictory{{U}}?59?{{/U}}England.? ?IhaveneverfailedtodeliverinbigmatchesRonaldinhosays.Mygame isbasedonimprovisation即兴表演.Oftenaforwarddoesnothavethetimeto decidewhethertoshootor{{U}}?60?{{/U}}.Itisinstinctthatgives outtheorders.??WhilehemaynothaveDavidBeckham’sgood looksRonaldinhohasa{{U}}?61?{{/U}}reputationoffthepitch.At formerclubParisSaintGermainwhichsoldhimtoBarcelonahebroke{{U}} ?62?{{/U}}rulesbygoingoutandenjoyingthecity’s nightlife.??WithoutdoubtRonaldinhoisthemost{{U}}?63 ?{{/U}}playerIhaveevercomeacrosssaysformerPSGcoachLuisFerdandez. Themain{{U}}?64?{{/U}}foranycoachisthatoneplayerwithout disciplinecanhurtthewholeteam.??ButRonaldinhodoesn’t thinkhehasdoneanythingwrong.Iamjustayoungpersonwhoenjoys{{U}} ?65?{{/U}}hesays.
Suburb Ifsuburbismeantanurbanmarginthatgrowsmorerapidlythanitsalreadydevelopedinteriortheprocessofsuburbanizationbeganduringtheemergenceoftheindustrialcityinthesecondquarterofthenineteenthcentury.Beforethatperiodthecitywasasmallhighlycompactclusterinwhichpeoplemovedaboutonfootandgoodswereconveyedbyhorseandcart.Buttheearlyfactoriesbuiltinthe1830’’sand1840’’swerelocatedalongwaterwaysandnearrailheadsattheedgesofcitiesandhousingwasneededforthethousandsofpeopledrawnbytheprospectofemployment.Intimethefactoriesweresurroundedbyproliferatingmilltownsofapartmentsandrowhousesaroundtheoldermaincities.Asadefenceagainstthisencroachmentandtoenlargetheirtaxbasesthecitiesappropriatedtheirindustrialneighbors.In1854forexamplethecityofPhiladelphiaannexedmostofPhiladelphiaCounty.SimilarmunicipalmaneuverstookplaceinChicagoandinNewYork.IndeedmostgreatcitiesoftheUnitedStatesachievedsuchstatusonlybyincorporatingthecommunitiesalongtheirborders. Withtheaccelerationofindustrialgrowthcomeacuteurbancrowdingandaccompanyingsocialstress-conditionsbegantoapproachdisastrousproportionswhenin1888thefirstcommerciallysuccessfulelectrictractionlinewasdeveloped.Withinafewyearsthehorse-drawntrolleyswereretiredandelectricstreetcarnetworkscrisscrossedandconnectedeverymajorurbanareafosteringawaveofsuburbanizationthattransformedthecompactindustrialcityintoadispersedmetropolis.Thisfirstphaseofmass-scalesuburbanizationwasreinforcedbythesimultaneousemergenceoftheurbanmiddleclasswhosedesiresforhomeownershipinneighborhoodsfarfromtheaginginnercityweresatisfiedbythedevelopingofsingle-familyhousingtracts. Whichofthefollowingisthebesttitleforthetext?
{{*HTML*}}??下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 {{B}}??????? ??????????? ????????PrettyGood{{/B}}? ?WhenSpanishfootballclubBarcelonapaidUS$35millionforRonaldinho lastsummertheyweren’tbuyingaprettyface.Iam{{U}}?51?{{/U}} admitstheBraziliansuperstar超级明星.Buteveryonehasgotadifferentkindof beauty.WhatI{{U}}?52?{{/U}}haveischarm.??Indeedhe has.Hisbuckteeth龅牙flowinghairbigsmileandofcoursehis{{U}} ?53?{{/U}}skillsarealwayseye-catchingonthepitch.The 23-year-oldstriker中锋scoredtwogoalsina3-2winoverDeportivoLaCoruna onMarch1.ItwasBarcelona’ssixthwininarowandthankstotheir Brazilian’s10-goalcontribution{{U}}?54?{{/U}}lookedlikeapoor seasoncouldnowendasuccess.??Ronaldinho-fullnameRonaldo DeAssisMoreira-isoneofmanySouthAmericanswholearnedtheirskills playinginthebackstreetsbefore{{U}}?55?{{/U}}themoffontheworld stage.??Greatthingswere{{U}}?56?{{/U}}whenGremio signedhimasaseven-year-oldandhesoonbecamefriendswithRonaldowhowas thentheotheryoungstarofBrazilianfootball.ItwasRonaldowhofirstcalled himRonaldinhowhich{{U}}?57?{{/U}}LittleRonaldo.??He first{{U}}?58?{{/U}}forhiscountryin1999butitwasatthe2002 WorldCupwhereheshowedhisrealworthscoringanunbelievablefree-kickin Brazil’squarter-finalvictory{{U}}?59?{{/U}}England.? ?IhaveneverfailedtodeliverinbigmatchesRonaldinhosays.Mygame isbasedonimprovisation即兴表演.Oftenaforwarddoesnothavethetimeto decidewhethertoshootor{{U}}?60?{{/U}}.Itisinstinctthatgives outtheorders.??WhilehemaynothaveDavidBeckham’sgood looksRonaldinhohasa{{U}}?61?{{/U}}reputationoffthepitch.At formerclubParisSaintGermainwhichsoldhimtoBarcelonahebroke{{U}} ?62?{{/U}}rulesbygoingoutandenjoyingthecity’s nightlife.??WithoutdoubtRonaldinhoisthemost{{U}}?63 ?{{/U}}playerIhaveevercomeacrosssaysformerPSGcoachLuisFerdandez. Themain{{U}}?64?{{/U}}foranycoachisthatoneplayerwithout disciplinecanhurtthewholeteam.??ButRonaldinhodoesn’t thinkhehasdoneanythingwrong.Iamjustayoungpersonwhoenjoys{{U}} ?65?{{/U}}hesays.
{{*HTML*}}??下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 {{B}}??????? ??????????? ????????PrettyGood{{/B}}? ?WhenSpanishfootballclubBarcelonapaidUS$35millionforRonaldinho lastsummertheyweren’tbuyingaprettyface.Iam{{U}}?51?{{/U}} admitstheBraziliansuperstar超级明星.Buteveryonehasgotadifferentkindof beauty.WhatI{{U}}?52?{{/U}}haveischarm.??Indeedhe has.Hisbuckteeth龅牙flowinghairbigsmileandofcoursehis{{U}} ?53?{{/U}}skillsarealwayseye-catchingonthepitch.The 23-year-oldstriker中锋scoredtwogoalsina3-2winoverDeportivoLaCoruna onMarch1.ItwasBarcelona’ssixthwininarowandthankstotheir Brazilian’s10-goalcontribution{{U}}?54?{{/U}}lookedlikeapoor seasoncouldnowendasuccess.??Ronaldinho-fullnameRonaldo DeAssisMoreira-isoneofmanySouthAmericanswholearnedtheirskills playinginthebackstreetsbefore{{U}}?55?{{/U}}themoffontheworld stage.??Greatthingswere{{U}}?56?{{/U}}whenGremio signedhimasaseven-year-oldandhesoonbecamefriendswithRonaldowhowas thentheotheryoungstarofBrazilianfootball.ItwasRonaldowhofirstcalled himRonaldinhowhich{{U}}?57?{{/U}}LittleRonaldo.??He first{{U}}?58?{{/U}}forhiscountryin1999butitwasatthe2002 WorldCupwhereheshowedhisrealworthscoringanunbelievablefree-kickin Brazil’squarter-finalvictory{{U}}?59?{{/U}}England.? ?IhaveneverfailedtodeliverinbigmatchesRonaldinhosays.Mygame isbasedonimprovisation即兴表演.Oftenaforwarddoesnothavethetimeto decidewhethertoshootor{{U}}?60?{{/U}}.Itisinstinctthatgives outtheorders.??WhilehemaynothaveDavidBeckham’sgood looksRonaldinhohasa{{U}}?61?{{/U}}reputationoffthepitch.At formerclubParisSaintGermainwhichsoldhimtoBarcelonahebroke{{U}} ?62?{{/U}}rulesbygoingoutandenjoyingthecity’s nightlife.??WithoutdoubtRonaldinhoisthemost{{U}}?63 ?{{/U}}playerIhaveevercomeacrosssaysformerPSGcoachLuisFerdandez. Themain{{U}}?64?{{/U}}foranycoachisthatoneplayerwithout disciplinecanhurtthewholeteam.??ButRonaldinhodoesn’t thinkhehasdoneanythingwrong.Iamjustayoungpersonwhoenjoys{{U}} ?65?{{/U}}hesays.
Interferon Forseveralyearsscientistshavebeentestingasubstancecalledinterferon干扰素apotentialwonderdrugthatisprovingtobeeffectiveintreatingavarietyofailmentsincludingvirusinfectionsbacteriainfectionsandtumors.Todatethenewdrughasprovokednonegativereactionofsufficientsignificancetodiscourageitsuse.Butinspiteofitssuccesslastyearonlyonegramwasproducedintheentireworld. Thereasonforthescarcityliesinthestructureofinterferon.Aspeciesspecificproteintheinterferonproducedfromoneanimalspeciescannotbeusedintreatinganotheranimalspecies.Inotherwordstotreathumanbeingsonlyinterferonproducedbyhumanbeingsmaybeused.Thedrugisproducedbyinfectingwhitebloodcellswithavirus.Fortunatelyitissopotentthattheamountgiveneachpatientperinjectionisverysmall. Unlikeantibiotics抗菌素interferondoesnotattackgermsdirectly.Insteaditmakesunaffectedcellsresistanttoinfectionandpreventsthemultiplicationofviruseswithincells. Asyoumightconcludeoneofthemostdramaticusesofinterferonhasbeeninthetreatmentofcancer.Dr.HansStranderresearchphysicianatSweden’’sfamousKarolinskaInstitutehastreatedmorethanonehundredcancerpatientswiththenewdrug.Amongagroupofselectedpatientswhohadundergonesurgicalproceduresforadvancedcancerhalfweregivenconventionaltreatmentsandtheotherhalfweregiveninterferon.Thesurvivalrateoverathree-yearperiodwas70percentamongthosewhoweretreatedwithinterferonascomparedwithonly10to30percentamongthosewhohadreceivedtheconventionaltreatments. IntheUnitedStatesalarge-scaleprojectsupportedbytheAmericanCancerSocietyisnowunderway.Iftheexperimentissuccessfulinterferoncouldbecomeoneofthegreatestmedicaldiscoveriesofourtime. Interferonhasserioussideeffectswhereasantibioticsdonot.
{{*HTML*}}??下面的短文有5处空白短文后有6个句子其中5个取自短文请根据短文内容将其分别放回原有位置以恢复文章原貌 {{B}}?????????? ?????????HowDidShe ConquertheAmericans?{{/B}}??African-Americantalkshowqueen OprahWinfreyistheworld’smostpowerfulcelebrityaccordingtoForbes magazine.{{U}}?46?{{/U}}??Winfrey51draws30million viewersweeklyintheUnitedStates.Hertalkshowreaches112countries.She earnedUS$225millionoverthepast12monthstoranksecondincelebrity riches.??TheannualForbeslistgivesmostweighttoannual earnings.{{U}}?47?{{/U}}??After21yearsherexciting chatshowstillrulestheairwaves.Itcreatednewcelebritiesandhundredsof millionsofdollarsinprofitsthemagazinesaid.??Winfreyis mostpopularwithherpopulartalkshowTheOprahWinfreyShow.Shecanalways attractthesuperstarsandletthemopenuptoherintimateinterviewing style.??LastmonthAmericanactorTomCruise42surprisedfans whenhecelebratedhisnewromancewith26-year-oldactressKatieHolmes.He jumpedupanddownshoutingI’minlove.OnlyafewyearsagoCruiseandhis ex-wifeNicoleKidmanappearedseparatelyonthesameshowtellingthenewsof theirdivorce.{{U}}?48?{{/U}}??Winfrey’sapproach appearstobesimple.Sheisinpursuitofself-improvementandself-empowerment 自强.Thishasprovedtobejustwhatpeopleespeciallywomenwant.? ?Winfreyoftentalksaboutherpersonalsecretsonhershow.Thatpullsin viewers.Forexamplesherevealedthatshehadbeensexuallyabusedasachild andhasspokenfreelyofherstrugglewithherweight.??Winfrey wasborntoapoorfamilyinMississippiin1954.{{U}}?49?{{/U}}Atthe ageof19shebecametheyoungestpersonandthefirstAfrican-Americanwoman toanchor主持anewsprogramme.??Hersuccesshasnotjustbeen onthescreen.Hermediagroupincludesawomen’sTVnetworkandwebsitesfor women.??Winfrey’sworkhasextendedtosocialchange.{{U}} ?50?{{/U}}??ShetestifiedbeforetheUSSenateto establishanationaldatabaseofdangerouschildabusers.PresidentBillClinton latersignedOprahBillintolaw.A.Butitalsolooksatthecelebrity’s presenceontheInternetandinthemedia.B.In1991shedidalotofwork fortheNationalChildProtectionAct.C.Shewasnotaverysuccessful woman.D.Shebeganbroadcastingwhilestillathighschool.E.Itplaced Winfreyatthetopofitsannualrankingofthe100peoplelastweek.F.The couplehadbeentight-lippedabouttheirbreak-up.
{{*HTML*}}??下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 {{B}}??????? ??????????? ????????PrettyGood{{/B}}? ?WhenSpanishfootballclubBarcelonapaidUS$35millionforRonaldinho lastsummertheyweren’tbuyingaprettyface.Iam{{U}}?51?{{/U}} admitstheBraziliansuperstar超级明星.Buteveryonehasgotadifferentkindof beauty.WhatI{{U}}?52?{{/U}}haveischarm.??Indeedhe has.Hisbuckteeth龅牙flowinghairbigsmileandofcoursehis{{U}} ?53?{{/U}}skillsarealwayseye-catchingonthepitch.The 23-year-oldstriker中锋scoredtwogoalsina3-2winoverDeportivoLaCoruna onMarch1.ItwasBarcelona’ssixthwininarowandthankstotheir Brazilian’s10-goalcontribution{{U}}?54?{{/U}}lookedlikeapoor seasoncouldnowendasuccess.??Ronaldinho-fullnameRonaldo DeAssisMoreira-isoneofmanySouthAmericanswholearnedtheirskills playinginthebackstreetsbefore{{U}}?55?{{/U}}themoffontheworld stage.??Greatthingswere{{U}}?56?{{/U}}whenGremio signedhimasaseven-year-oldandhesoonbecamefriendswithRonaldowhowas thentheotheryoungstarofBrazilianfootball.ItwasRonaldowhofirstcalled himRonaldinhowhich{{U}}?57?{{/U}}LittleRonaldo.??He first{{U}}?58?{{/U}}forhiscountryin1999butitwasatthe2002 WorldCupwhereheshowedhisrealworthscoringanunbelievablefree-kickin Brazil’squarter-finalvictory{{U}}?59?{{/U}}England.? ?IhaveneverfailedtodeliverinbigmatchesRonaldinhosays.Mygame isbasedonimprovisation即兴表演.Oftenaforwarddoesnothavethetimeto decidewhethertoshootor{{U}}?60?{{/U}}.Itisinstinctthatgives outtheorders.??WhilehemaynothaveDavidBeckham’sgood looksRonaldinhohasa{{U}}?61?{{/U}}reputationoffthepitch.At formerclubParisSaintGermainwhichsoldhimtoBarcelonahebroke{{U}} ?62?{{/U}}rulesbygoingoutandenjoyingthecity’s nightlife.??WithoutdoubtRonaldinhoisthemost{{U}}?63 ?{{/U}}playerIhaveevercomeacrosssaysformerPSGcoachLuisFerdandez. Themain{{U}}?64?{{/U}}foranycoachisthatoneplayerwithout disciplinecanhurtthewholeteam.??ButRonaldinhodoesn’t thinkhehasdoneanythingwrong.Iamjustayoungpersonwhoenjoys{{U}} ?65?{{/U}}hesays.
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