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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个选项中为第1～4段每段选择1个最佳标题；(2)第27～30题要求从所给的6个选项中为每个句子确定1个最佳选项。 Depress...
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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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UsingHIVVirustoCureCancer Scientistsareplanningtousehumanimmunodeficiency免疫缺陷virusHIVoneofmankind’smostfearedvirusesasacarrierofgeneswhichcanfightcancerandarangeofdiseasesthatcannotbecured.TheexpertssayHIVhasanalmostperfectabilitytoavoidthebody’simmune免疫的defensesmakingitidealforcarryingreplacementgenesintopatients’bodiesaccordingtotheObserver. AteamattheCalifornia-basedSalkInstituteoneoftheworld’sleadingresearchcentersonbiologicalscienceshascreatedaspecialnewbreedofHIVandhasstartednegotiationswiththeU>S>FoodandDrugAdministrationFDAtobeginclinicalgenetherapy治疗trialsthisyear.ThefirsttrialsareexpectedtoinvolvepatientssufferingfromcancersthatcannotbecuredbysurgeryalthoughprojectleaderProfessorInderVermasaidtheHIVtechniquewouldhavefarwiderapplications. Theplanremainsverylikelytocausecontroversysinceitinvolvesmakinguseofaviruswhichhascausedmorethan22milliondeathsaroundtheworldinthepasttwodecades.VermasaidthattheideaofusingHIVforabeneficialpurposewasshockingbutthefiercenatureofHIVhaddisappearedbyhavingallsixofthepotentiallydeadlygenesremoved. Illnessessuchasvariouscancersarecausedwhenageneinapatient’sbodyfailstoworkproperly.Inthepasttwoyearsbreakthroughsingenetics遗传学haveledgenetherapyscientiststotryandreplacethegenesthatdonotfunctionnormally. Unfortunatelythebody’simmunedefenseshavebeenknowntoattackthemodifiedgenesandmakethemlosetheireffectsbeforetheycanstarttheirtaskandprogressinthefieldhasbeenheldupbythelackofasuitablecarrier. TheHIVvirushastheabilitytoescapefromandthendestroytheimmunedefensecellsdesignedtoprotectourbodiesandthismakesitattractivetoscientistsasawayofsecretlyconveyingreplacementgenesintopatients’bodies. Itisthelackofmoneythathashelduptheprogressinusingreplacementgenestocurecancer.
{{*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}}CanadaIkea:Whata GreatPlaceforYoutoShop{{/B}}??Therearemanydifferentstores thatpeoplegotoinordertobuyvarioushouseholdgoods.{{U}}?46 ?{{/U}}TheCanadaIkeaisnotconfinedtoonecityaloneinthatcountry. InsteadYouwillfindtherearemanydifferentbranchesspreadoutinmany differentlocalities.??AswithalloftheIkeastorestheCanada IkeadealsmainlywithsellingtopqualitySwedishfurniture.{{U}}?47 ?{{/U}}Onefacet方面oftheCanadaIkeathatitscustomerswilllikeisthat thestorehastheabilityofcatering迎合totheirEnglishspeakingcustomers aswellastheirFrenchcustomers.??Tomakeshoppingfor furnitureandothergoodseasytheIkeastoresineverycountryareallsetout inthesamemanner.{{U}}?48?{{/U}}AsaresultofthistheCanadaIkea isonethatitslocalandforeigncustomersenjoyvisiting.??To helpmakeiteasyforyoutoshopfortheitemsthatyouwanttherearelarge blueandyellowbagsorshoppingcartsavailable.{{U}}?49 ?{{/U}}??Asyouwanderthroughthestoreyouwillfindmany interestingitemsthatyoucanuseforyourhomeorevenoffice.Withthese productsyouwillhaveabeautifulhousethatyoucanlivecomfortablyin. {{U}}?50?{{/U}}TheCanadaIkeaisagreatplaceforyouto shop.??A?Thisfurnitureisdesignedtoprovidethehome ownerwithstylish时髦的furniturethatisalsoaffordableandperfectfor everydayuse.??B?Withsomanyitemstobefoundyouare suretowanttobuyeverythingthatcatchesyourfancy.??C ?Thesebagsandcartsareperfectforthemanydifferentlampshades cushions垫子bedlinens亚麻布toysandothermediumtosmallsizedobjects thatyouwant.??D?Thismakesitveryeasyforvisitorsfrom othercountriestobuytheitemstheyneedwithoutwanderingaroundthestore tryingtofindtheirgoods.??E?Onesuchstorethatyoucan findinmanydifferentcountriesincludingthatofCanadaisthatoftheIkea 宜家chainofstores.??F?Thelargersizedobjectsare displayedintheshowroomsoftheCanadaIkeasteres.{{*HTML*}}
{{*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}}PassiveSmoking IsWorkplaceKiller{{/B}}??PressuremountedonBritainonMondayto takeactionon{{U}}?51?{{/U}}smokingwithnewresearchshowingsecond -handsmoke{{U}}?52?{{/U}}aboutoneworkereachweekinthe hospitalityindustry服务行业.??ProfessorKnoradJamrozikof Imperial帝国的CollegeinLondontoldaconferenceonenvironmentaltobacco thatsecond–hand{{U}}?53?{{/U}}kills49employeesinpubsbars restaurantsandhotelseachyearandcontributesto700deathsfromlungcancer heart{{U}}?54?{{/U}}andstrokeacrossthetotalnationalwork force.??Exposureinthehospitality{{U}}?55?{{/U}}at workoutweighs超过theconsequencesofexposureofliving{{U}}?56 ?{{/U}}asmokerforthosestaffJamroziksaidinaninterview.? ?Other{{U}}?57?{{/U}}havemeasuredthelevelsofexposureto passivesmokingbutJamrozikcalculatedhowitwouldtranslateintoavoidable deaths.??Hisfindingsare{{U}}?58?{{/U}}onthenumber ofpeopleworkinginthehospitalityindustryinBritaintheirexposureto second-handsmokeandtheir{{U}}?59?{{/U}}ofdyingfrom it.??Jamroziksaidthefindingswouldapplyto{{U}}?60 ?{{/U}}countriesinEuropebecausetoagreateror{{U}}?61 ?{{/U}}extentlevelsofsmokinginthecommunityaresimilar.? ?ProfessorCarolBlackpresidentoftheRoyalCollegeofPhysicianswhich sponsoredthemeetingsaidtheresearchisproofoftheneedforabanon smokingin{{U}}?62?{{/U}}places.??Environmental tobaccosmokeinpubsbarsrestaurantsandotherpublicplacesis{{U}} ?63?{{/U}}damagingtothehealthofemployeesaswellasthegeneral publicshesaidinastatement.??Makingtheseplacessmoke- freenotonlyprotectsvulnerable易受伤害的staffandthepublicitwill{{U}} ?64?{{/U}}helpover300000peopleinBritaintostopsmoking completelysheadded.??Irelandrecentlybecamethefirst countrytointroduceanationalbanonsmokinginpublic{{U}}?65 ?{{/U}}.NewYorkandpartsofAustraliahavetakensimilar measures.
{{*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}}PassiveSmoking IsWorkplaceKiller{{/B}}??PressuremountedonBritainonMondayto takeactionon{{U}}?51?{{/U}}smokingwithnewresearchshowingsecond -handsmoke{{U}}?52?{{/U}}aboutoneworkereachweekinthe hospitalityindustry服务行业.??ProfessorKnoradJamrozikof Imperial帝国的CollegeinLondontoldaconferenceonenvironmentaltobacco thatsecond–hand{{U}}?53?{{/U}}kills49employeesinpubsbars restaurantsandhotelseachyearandcontributesto700deathsfromlungcancer heart{{U}}?54?{{/U}}andstrokeacrossthetotalnationalwork force.??Exposureinthehospitality{{U}}?55?{{/U}}at workoutweighs超过theconsequencesofexposureofliving{{U}}?56 ?{{/U}}asmokerforthosestaffJamroziksaidinaninterview.? ?Other{{U}}?57?{{/U}}havemeasuredthelevelsofexposureto passivesmokingbutJamrozikcalculatedhowitwouldtranslateintoavoidable deaths.??Hisfindingsare{{U}}?58?{{/U}}onthenumber ofpeopleworkinginthehospitalityindustryinBritaintheirexposureto second-handsmokeandtheir{{U}}?59?{{/U}}ofdyingfrom it.??Jamroziksaidthefindingswouldapplyto{{U}}?60 ?{{/U}}countriesinEuropebecausetoagreateror{{U}}?61 ?{{/U}}extentlevelsofsmokinginthecommunityaresimilar.? ?ProfessorCarolBlackpresidentoftheRoyalCollegeofPhysicianswhich sponsoredthemeetingsaidtheresearchisproofoftheneedforabanon smokingin{{U}}?62?{{/U}}places.??Environmental tobaccosmokeinpubsbarsrestaurantsandotherpublicplacesis{{U}} ?63?{{/U}}damagingtothehealthofemployeesaswellasthegeneral publicshesaidinastatement.??Makingtheseplacessmoke- freenotonlyprotectsvulnerable易受伤害的staffandthepublicitwill{{U}} ?64?{{/U}}helpover300000peopleinBritaintostopsmoking completelysheadded.??Irelandrecentlybecamethefirst countrytointroduceanationalbanonsmokinginpublic{{U}}?65 ?{{/U}}.NewYorkandpartsofAustraliahavetakensimilar measures.
{{*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}}PassiveSmoking IsWorkplaceKiller{{/B}}??PressuremountedonBritainonMondayto takeactionon{{U}}?51?{{/U}}smokingwithnewresearchshowingsecond -handsmoke{{U}}?52?{{/U}}aboutoneworkereachweekinthe hospitalityindustry服务行业.??ProfessorKnoradJamrozikof Imperial帝国的CollegeinLondontoldaconferenceonenvironmentaltobacco thatsecond–hand{{U}}?53?{{/U}}kills49employeesinpubsbars restaurantsandhotelseachyearandcontributesto700deathsfromlungcancer heart{{U}}?54?{{/U}}andstrokeacrossthetotalnationalwork force.??Exposureinthehospitality{{U}}?55?{{/U}}at workoutweighs超过theconsequencesofexposureofliving{{U}}?56 ?{{/U}}asmokerforthosestaffJamroziksaidinaninterview.? ?Other{{U}}?57?{{/U}}havemeasuredthelevelsofexposureto passivesmokingbutJamrozikcalculatedhowitwouldtranslateintoavoidable deaths.??Hisfindingsare{{U}}?58?{{/U}}onthenumber ofpeopleworkinginthehospitalityindustryinBritaintheirexposureto second-handsmokeandtheir{{U}}?59?{{/U}}ofdyingfrom it.??Jamroziksaidthefindingswouldapplyto{{U}}?60 ?{{/U}}countriesinEuropebecausetoagreateror{{U}}?61 ?{{/U}}extentlevelsofsmokinginthecommunityaresimilar.? ?ProfessorCarolBlackpresidentoftheRoyalCollegeofPhysicianswhich sponsoredthemeetingsaidtheresearchisproofoftheneedforabanon smokingin{{U}}?62?{{/U}}places.??Environmental tobaccosmokeinpubsbarsrestaurantsandotherpublicplacesis{{U}} ?63?{{/U}}damagingtothehealthofemployeesaswellasthegeneral publicshesaidinastatement.??Makingtheseplacessmoke- freenotonlyprotectsvulnerable易受伤害的staffandthepublicitwill{{U}} ?64?{{/U}}helpover300000peopleinBritaintostopsmoking completelysheadded.??Irelandrecentlybecamethefirst countrytointroduceanationalbanonsmokinginpublic{{U}}?65 ?{{/U}}.NewYorkandpartsofAustraliahavetakensimilar measures.
第一篇GivingUpSmoking Anumberofdevicesareavailabletohelpapersonquitsmoking.Nicotine尼古丁patchesaresmallnicotine-containingadhesive粘着性的discsappliedtotheskin.Thenicotineisslowlyabsorbedthroughtheskinandentersthebloodstream.Overtimethenicotinedoseisreducedandeventuallythedesirefornicotineiseased.Nicotinegumworksinasimilarmannerprovidingsmalldosesofnicotinewhenchewed. Thebenefitsofgivingupsmokingincludetheimmediatereductionofharmtothehealthofthesmokingandeasilyadmissiontosocialactivitiesandinstitutionsthatbansmoking.Ina1988reporttheU.S.SurgeonGeneraldeclaredcigarettesmokingtobemoreharmfulandexpensivethantheuseofcocaine可卡因alcoholorheroin.Recentevidencesupportsthisclaim. TheUnitedStatesgovernmenthascollectedaspecialtaxoncigarettesforseveraldecades.Theraterosefrom8centsperpackof20cigarettesin1951to24centsperpackin1993.Inotherdevelopedcountriesthecigarettetaxrateismuchhigherrangingfrom50percentinSwitzerlandto85percentinDenmark. IntheUnitedStatesthefirstdirectactiontochecksmokingwastheregulationofawarmingoncigarettepackagesbytheFederalTradeCommission.Thiswarningtookeffectin1964andwasstrengthenedin1969toread:Warning:TheSurgeonGeneralHasDeterminedThatCigaretteSmokingIsDangeroustoYourHealth.In1971allcigaretteadvertisingwasbannedfromradioandtelevisionandcitiesandstatespassedlawsrequiringnonsmokingsectionsinpublicplacesandworkplaces. WhichofthefollowingisNOTmentionedasasteptocontrolsmoking?
Eveninahighlymodernizedcountrymanualworkisstillneeded.
{{*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}}PassiveSmoking IsWorkplaceKiller{{/B}}??PressuremountedonBritainonMondayto takeactionon{{U}}?51?{{/U}}smokingwithnewresearchshowingsecond -handsmoke{{U}}?52?{{/U}}aboutoneworkereachweekinthe hospitalityindustry服务行业.??ProfessorKnoradJamrozikof Imperial帝国的CollegeinLondontoldaconferenceonenvironmentaltobacco thatsecond–hand{{U}}?53?{{/U}}kills49employeesinpubsbars restaurantsandhotelseachyearandcontributesto700deathsfromlungcancer heart{{U}}?54?{{/U}}andstrokeacrossthetotalnationalwork force.??Exposureinthehospitality{{U}}?55?{{/U}}at workoutweighs超过theconsequencesofexposureofliving{{U}}?56 ?{{/U}}asmokerforthosestaffJamroziksaidinaninterview.? ?Other{{U}}?57?{{/U}}havemeasuredthelevelsofexposureto passivesmokingbutJamrozikcalculatedhowitwouldtranslateintoavoidable deaths.??Hisfindingsare{{U}}?58?{{/U}}onthenumber ofpeopleworkinginthehospitalityindustryinBritaintheirexposureto second-handsmokeandtheir{{U}}?59?{{/U}}ofdyingfrom it.??Jamroziksaidthefindingswouldapplyto{{U}}?60 ?{{/U}}countriesinEuropebecausetoagreateror{{U}}?61 ?{{/U}}extentlevelsofsmokinginthecommunityaresimilar.? ?ProfessorCarolBlackpresidentoftheRoyalCollegeofPhysicianswhich sponsoredthemeetingsaidtheresearchisproofoftheneedforabanon smokingin{{U}}?62?{{/U}}places.??Environmental tobaccosmokeinpubsbarsrestaurantsandotherpublicplacesis{{U}} ?63?{{/U}}damagingtothehealthofemployeesaswellasthegeneral publicshesaidinastatement.??Makingtheseplacessmoke- freenotonlyprotectsvulnerable易受伤害的staffandthepublicitwill{{U}} ?64?{{/U}}helpover300000peopleinBritaintostopsmoking completelysheadded.??Irelandrecentlybecamethefirst countrytointroduceanationalbanonsmokinginpublic{{U}}?65 ?{{/U}}.NewYorkandpartsofAustraliahavetakensimilar measures.
第一篇GivingUpSmoking Anumberofdevicesareavailabletohelpapersonquitsmoking.Nicotine尼古丁patchesaresmallnicotine-containingadhesive粘着性的discsappliedtotheskin.Thenicotineisslowlyabsorbedthroughtheskinandentersthebloodstream.Overtimethenicotinedoseisreducedandeventuallythedesirefornicotineiseased.Nicotinegumworksinasimilarmannerprovidingsmalldosesofnicotinewhenchewed. Thebenefitsofgivingupsmokingincludetheimmediatereductionofharmtothehealthofthesmokingandeasilyadmissiontosocialactivitiesandinstitutionsthatbansmoking.Ina1988reporttheU.S.SurgeonGeneraldeclaredcigarettesmokingtobemoreharmfulandexpensivethantheuseofcocaine可卡因alcoholorheroin.Recentevidencesupportsthisclaim. TheUnitedStatesgovernmenthascollectedaspecialtaxoncigarettesforseveraldecades.Theraterosefrom8centsperpackof20cigarettesin1951to24centsperpackin1993.Inotherdevelopedcountriesthecigarettetaxrateismuchhigherrangingfrom50percentinSwitzerlandto85percentinDenmark. IntheUnitedStatesthefirstdirectactiontochecksmokingwastheregulationofawarmingoncigarettepackagesbytheFederalTradeCommission.Thiswarningtookeffectin1964andwasstrengthenedin1969toread:Warning:TheSurgeonGeneralHasDeterminedThatCigaretteSmokingIsDangeroustoYourHealth.In1971allcigaretteadvertisingwasbannedfromradioandtelevisionandcitiesandstatespassedlawsrequiringnonsmokingsectionsinpublicplacesandworkplaces. Whichofthefollowingcanhelpapersonquitsmoking?
Thereportadvocatedsettingupdaytrainingcolleges.
第二篇EffectsofExerciseonElderlyDiabetics糖尿病人 Mostolderpeoplewithso-calledtypeIIdiabetes糖尿病couldstoptakinginsulin胰岛素iftheywoulddobriskexercisefor30minutesjusttheretimesaweekaccordingtonewmedicalresearchresultsreportedinaCopenhagennewspaperResultsfromtestsconductedondiabeticsattheCopenhagencentralhospitalRigshospitalet’sCenterforMuscleResearchshowedthatphysicalexercisecanboostthebody’sabilitytomakeuseofinsulinby30percent.Thisisequaltotheeffectmostelderlydiabeticsgetfromtheirinsulinmedication药物治疗today. Researchershadagroupofnon-diabeticmenandagroupofmenwithtypeIIdiabetesallmorethan60yearsofageexerciseonbicyclessixtimesaweekforthreemonths.Afterthethreemonthsthedoctorsmeasuredhowmuchsugarthetestsubjects’musclescouldmakeuseofasameasureforhowwelltheirinsulinworked. AssociateProfessorDrFlemmingDelaoftheMuscleResearchCentersaidthetestsdemonstratedthattheexercisingdiabeticshadmadeasgooduseofinsulinasthehealthynon-diabeticpersons.Thismeansthattheinsulinworksjustaswellforbothgroup.Physicalexercisecannotcurepeopleofdiabetesbutitcaneliminatealmostalltheirsymptoms.AtthesametimeitcanputoffthepointatwhichtheyhavetobegintakinginsulinDelasaid. Insulinisahormoneproducedbythepancreas胰腺controllingsugarinthebodyandisusedagainstdiabetes. Delasaidthattoachievethedesiredeffectdiabeticsneedonlyexercisetothepointwheretheybegintosweatbutthattheactivityhastobemaintainedsinceitwearsoffafterfivedayswithoutsufficientexercise. MostdiabeticsrealizethattheyhavetowatchtheirdietwhileremainingunawareoftheimportanceofexerciseDelaadded. Theexercisethattheresearcherstriedontheirtestsubjectswas
UsingHIVVirustoCureCancer Scientistsareplanningtousehumanimmunodeficiency免疫缺陷virusHIVoneofmankind’smostfearedvirusesasacarrierofgeneswhichcanfightcancerandarangeofdiseasesthatcannotbecured.TheexpertssayHIVhasanalmostperfectabilitytoavoidthebody’simmune免疫的defensesmakingitidealforcarryingreplacementgenesintopatients’bodiesaccordingtotheObserver. AteamattheCalifornia-basedSalkInstituteoneoftheworld’sleadingresearchcentersonbiologicalscienceshascreatedaspecialnewbreedofHIVandhasstartednegotiationswiththeU>S>FoodandDrugAdministrationFDAtobeginclinicalgenetherapy治疗trialsthisyear.ThefirsttrialsareexpectedtoinvolvepatientssufferingfromcancersthatcannotbecuredbysurgeryalthoughprojectleaderProfessorInderVermasaidtheHIVtechniquewouldhavefarwiderapplications. Theplanremainsverylikelytocausecontroversysinceitinvolvesmakinguseofaviruswhichhascausedmorethan22milliondeathsaroundtheworldinthepasttwodecades.VermasaidthattheideaofusingHIVforabeneficialpurposewasshockingbutthefiercenatureofHIVhaddisappearedbyhavingallsixofthepotentiallydeadlygenesremoved. Illnessessuchasvariouscancersarecausedwhenageneinapatient’sbodyfailstoworkproperly.Inthepasttwoyearsbreakthroughsingenetics遗传学haveledgenetherapyscientiststotryandreplacethegenesthatdonotfunctionnormally. Unfortunatelythebody’simmunedefenseshavebeenknowntoattackthemodifiedgenesandmakethemlosetheireffectsbeforetheycanstarttheirtaskandprogressinthefieldhasbeenheldupbythelackofasuitablecarrier. TheHIVvirushastheabilitytoescapefromandthendestroytheimmunedefensecellsdesignedtoprotectourbodiesandthismakesitattractivetoscientistsasawayofsecretlyconveyingreplacementgenesintopatients’bodies. TheideaofusingHIVforabeneficialpurposehasbeenwidelyaccepted.
{{*HTML*}}{{B}}第二篇{{/B}} ??????? ??????????? ??????????{{B}}Stop EatingTooMuch{{/B}}??Cleanyourplate!andBeamemberofthe clean-plateclub!JustabouteverykidintheUShasheardthisfromaparent orgrandparent.Oftenit’saccompaniedbyanappeal:Justthinkaboutthose starvingorphans孤儿inAfrica!Sureweshouldbegratefulforeverybiteof foodUnfortunatelymanypeopleintheUStaketoomanybites.Insteadof stayingcleantheplateperhapsweshouldsavesomefoodfor tomorrow.??AccordingtonewsreportsUSrestaurantsarepartly toblameforthegrowingbellies肚子.awaiterputsaplateoffoodinfrontof eachcustomerwithtwotofourtimestheamountrecommendedbythegovernment accordingtoaUSATodaystory.Americanstraditionallyassociatequantitywith valueandmostrestaurantstrytogivethemthat.Theyprefertohavecustomers complainabouttoomuchfoodratherthantoolittle.??Barbara Roilsanutrition营养professoratPennsylvaniaStateUniversitytoldUSA Todaythatrestaurantportionsizesbegantogrowinthe1970sthesametime thattheAmericanwaistline腰围begantoexpand.??Healthexperts havetriedtogetmanyrestaurantstoservesmallerportions.Nowapparently somecustomersarecallingforthistoo.Therestaurantindustrytrademagazine QSRreportedlastmonththat57percentofmorethan4000peoplesu.rveyed believedrestaurantsservedportionsthatweretoolarge;23percenthadno opinion;20percentdisagreedButacloserlookatthesurveyindicatesthat manyAmericanswhocan’taffordfinediningstillpreferlargeportions.Seventy percentofthoseearningatleast$150000peryearprefersmallerportions;but only45percentofthoseearninglessthan$25000wantsmaller.? ?It’snotthatworkingclassAmericansdon’twanttoeathealthy.It’sjust thatafterlonghoursatlow-payingjobsgettinglessontheirplatehardly seemslikeagooddeal.Theylivefrompaycheck薪金支票topaycheckhappyto savealittlemoneyfornextyear’sChristmas presents.Whathappenedinthe1970s?
{{*HTML*}}{{B}}第三篇{{/B}} ??????? ??????????? ??????{{B}}U.S.LifeExpectancyHitsNew High{{/B}}??LifeexpectancyratesintheUnitedStatesareatan all-timehighwithpeoplebornin2005projectedtolivefornearly78yearsa newfederalstudyfinds.??Thefindingreflectsacontinuingtrend ofincreasinglifeexpectancythatbeganin1955whentheaverageAmerican livedtobe69.6yearsoldBy1995lifeexpectancywas75.8yearsandby2005 ithadrisento77.9yearsaccordingtothereportreleased Wednesday.??Thisisgoodnewssaidreportco-authorDonna HoyertahealthscientistattheNationalCenterforHealthStatistics.It’s evenbetternewsthatitisacontinuationoftrendssoitisalongperiodof continuingimprovement.??DespitetheupwardtrendtheUnited Statesstillhasalowerlifeexpectancythansome40othercountriesaccording totheU.S.Census人口普查Bureau.Thecountrywiththelongestlifeexpectancy isAndorraat83.5yearsfollowedbyJapanMacauSanMarinoand Singapore.??Muchoftheincreaseowestodecliningdeathrates fromthethreeleadingcausesofdeathinthecountry-heartdiseasecancer andstroke.??Inadditionin2005theU.S.deathratedropped toanall-timelowoflessthan800deathsper100000.??Dr. DavidKatzdirectorofthePreventionResearchCenteratYaleUniversitySchool ofMedicinesaidNewsthatlifeexpectancyisincreasingisofcoursegood Buttheevidencewehave’suggeststhatthereismorechronicdiseasethanever intheU.S.??AddingyearstolifeisagoodthingKatzsaid Butaddingvitallifetoyearsisatleastequallyimportant.Ifwecareabout livingwellandnotjustlongerwestillhaveourworkcutoutforushe said.WhichofthefollowingstatementsisNOTtrue?
{{*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}}PassiveSmoking IsWorkplaceKiller{{/B}}??PressuremountedonBritainonMondayto takeactionon{{U}}?51?{{/U}}smokingwithnewresearchshowingsecond -handsmoke{{U}}?52?{{/U}}aboutoneworkereachweekinthe hospitalityindustry服务行业.??ProfessorKnoradJamrozikof Imperial帝国的CollegeinLondontoldaconferenceonenvironmentaltobacco thatsecond–hand{{U}}?53?{{/U}}kills49employeesinpubsbars restaurantsandhotelseachyearandcontributesto700deathsfromlungcancer heart{{U}}?54?{{/U}}andstrokeacrossthetotalnationalwork force.??Exposureinthehospitality{{U}}?55?{{/U}}at workoutweighs超过theconsequencesofexposureofliving{{U}}?56 ?{{/U}}asmokerforthosestaffJamroziksaidinaninterview.? ?Other{{U}}?57?{{/U}}havemeasuredthelevelsofexposureto passivesmokingbutJamrozikcalculatedhowitwouldtranslateintoavoidable deaths.??Hisfindingsare{{U}}?58?{{/U}}onthenumber ofpeopleworkinginthehospitalityindustryinBritaintheirexposureto second-handsmokeandtheir{{U}}?59?{{/U}}ofdyingfrom it.??Jamroziksaidthefindingswouldapplyto{{U}}?60 ?{{/U}}countriesinEuropebecausetoagreateror{{U}}?61 ?{{/U}}extentlevelsofsmokinginthecommunityaresimilar.? ?ProfessorCarolBlackpresidentoftheRoyalCollegeofPhysicianswhich sponsoredthemeetingsaidtheresearchisproofoftheneedforabanon smokingin{{U}}?62?{{/U}}places.??Environmental tobaccosmokeinpubsbarsrestaurantsandotherpublicplacesis{{U}} ?63?{{/U}}damagingtothehealthofemployeesaswellasthegeneral publicshesaidinastatement.??Makingtheseplacessmoke- freenotonlyprotectsvulnerable易受伤害的staffandthepublicitwill{{U}} ?64?{{/U}}helpover300000peopleinBritaintostopsmoking completelysheadded.??Irelandrecentlybecamethefirst countrytointroduceanationalbanonsmokinginpublic{{U}}?65 ?{{/U}}.NewYorkandpartsofAustraliahavetakensimilar measures.
Thefueltankshadacapacityof140liters.
{{*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}}CanadaIkea:Whata GreatPlaceforYoutoShop{{/B}}??Therearemanydifferentstores thatpeoplegotoinordertobuyvarioushouseholdgoods.{{U}}?46 ?{{/U}}TheCanadaIkeaisnotconfinedtoonecityaloneinthatcountry. InsteadYouwillfindtherearemanydifferentbranchesspreadoutinmany differentlocalities.??AswithalloftheIkeastorestheCanada IkeadealsmainlywithsellingtopqualitySwedishfurniture.{{U}}?47 ?{{/U}}Onefacet方面oftheCanadaIkeathatitscustomerswilllikeisthat thestorehastheabilityofcatering迎合totheirEnglishspeakingcustomers aswellastheirFrenchcustomers.??Tomakeshoppingfor furnitureandothergoodseasytheIkeastoresineverycountryareallsetout inthesamemanner.{{U}}?48?{{/U}}AsaresultofthistheCanadaIkea isonethatitslocalandforeigncustomersenjoyvisiting.??To helpmakeiteasyforyoutoshopfortheitemsthatyouwanttherearelarge blueandyellowbagsorshoppingcartsavailable.{{U}}?49 ?{{/U}}??Asyouwanderthroughthestoreyouwillfindmany interestingitemsthatyoucanuseforyourhomeorevenoffice.Withthese productsyouwillhaveabeautifulhousethatyoucanlivecomfortablyin. {{U}}?50?{{/U}}TheCanadaIkeaisagreatplaceforyouto shop.??A?Thisfurnitureisdesignedtoprovidethehome ownerwithstylish时髦的furniturethatisalsoaffordableandperfectfor everydayuse.??B?Withsomanyitemstobefoundyouare suretowanttobuyeverythingthatcatchesyourfancy.??C ?Thesebagsandcartsareperfectforthemanydifferentlampshades cushions垫子bedlinens亚麻布toysandothermediumtosmallsizedobjects thatyouwant.??D?Thismakesitveryeasyforvisitorsfrom othercountriestobuytheitemstheyneedwithoutwanderingaroundthestore tryingtofindtheirgoods.??E?Onesuchstorethatyoucan findinmanydifferentcountriesincludingthatofCanadaisthatoftheIkea 宜家chainofstores.??F?Thelargersizedobjectsare displayedintheshowroomsoftheCanadaIkeasteres.
Thehigh-speedtrainscanhaveamajorimpactontravelpreferences.
{{*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}}PassiveSmoking IsWorkplaceKiller{{/B}}??PressuremountedonBritainonMondayto takeactionon{{U}}?51?{{/U}}smokingwithnewresearchshowingsecond -handsmoke{{U}}?52?{{/U}}aboutoneworkereachweekinthe hospitalityindustry服务行业.??ProfessorKnoradJamrozikof Imperial帝国的CollegeinLondontoldaconferenceonenvironmentaltobacco thatsecond–hand{{U}}?53?{{/U}}kills49employeesinpubsbars restaurantsandhotelseachyearandcontributesto700deathsfromlungcancer heart{{U}}?54?{{/U}}andstrokeacrossthetotalnationalwork force.??Exposureinthehospitality{{U}}?55?{{/U}}at workoutweighs超过theconsequencesofexposureofliving{{U}}?56 ?{{/U}}asmokerforthosestaffJamroziksaidinaninterview.? ?Other{{U}}?57?{{/U}}havemeasuredthelevelsofexposureto passivesmokingbutJamrozikcalculatedhowitwouldtranslateintoavoidable deaths.??Hisfindingsare{{U}}?58?{{/U}}onthenumber ofpeopleworkinginthehospitalityindustryinBritaintheirexposureto second-handsmokeandtheir{{U}}?59?{{/U}}ofdyingfrom it.??Jamroziksaidthefindingswouldapplyto{{U}}?60 ?{{/U}}countriesinEuropebecausetoagreateror{{U}}?61 ?{{/U}}extentlevelsofsmokinginthecommunityaresimilar.? ?ProfessorCarolBlackpresidentoftheRoyalCollegeofPhysicianswhich sponsoredthemeetingsaidtheresearchisproofoftheneedforabanon smokingin{{U}}?62?{{/U}}places.??Environmental tobaccosmokeinpubsbarsrestaurantsandotherpublicplacesis{{U}} ?63?{{/U}}damagingtothehealthofemployeesaswellasthegeneral publicshesaidinastatement.??Makingtheseplacessmoke- freenotonlyprotectsvulnerable易受伤害的staffandthepublicitwill{{U}} ?64?{{/U}}helpover300000peopleinBritaintostopsmoking completelysheadded.??Irelandrecentlybecamethefirst countrytointroduceanationalbanonsmokinginpublic{{U}}?65 ?{{/U}}.NewYorkandpartsofAustraliahavetakensimilar measures.
第一篇GivingUpSmoking Anumberofdevicesareavailabletohelpapersonquitsmoking.Nicotine尼古丁patchesaresmallnicotine-containingadhesive粘着性的discsappliedtotheskin.Thenicotineisslowlyabsorbedthroughtheskinandentersthebloodstream.Overtimethenicotinedoseisreducedandeventuallythedesirefornicotineiseased.Nicotinegumworksinasimilarmannerprovidingsmalldosesofnicotinewhenchewed. Thebenefitsofgivingupsmokingincludetheimmediatereductionofharmtothehealthofthesmokingandeasilyadmissiontosocialactivitiesandinstitutionsthatbansmoking.Ina1988reporttheU.S.SurgeonGeneraldeclaredcigarettesmokingtobemoreharmfulandexpensivethantheuseofcocaine可卡因alcoholorheroin.Recentevidencesupportsthisclaim. TheUnitedStatesgovernmenthascollectedaspecialtaxoncigarettesforseveraldecades.Theraterosefrom8centsperpackof20cigarettesin1951to24centsperpackin1993.Inotherdevelopedcountriesthecigarettetaxrateismuchhigherrangingfrom50percentinSwitzerlandto85percentinDenmark. IntheUnitedStatesthefirstdirectactiontochecksmokingwastheregulationofawarmingoncigarettepackagesbytheFederalTradeCommission.Thiswarningtookeffectin1964andwasstrengthenedin1969toread:Warning:TheSurgeonGeneralHasDeterminedThatCigaretteSmokingIsDangeroustoYourHealth.In1971allcigaretteadvertisingwasbannedfromradioandtelevisionandcitiesandstatespassedlawsrequiringnonsmokingsectionsinpublicplacesandworkplaces. ThebenefitsofgivingupsmokingincludeallthefollowingEXCEPT
Itisnousedebatingtherelativemeritsofthispolicy
第二篇EffectsofExerciseonElderlyDiabetics糖尿病人 Mostolderpeoplewithso-calledtypeIIdiabetes糖尿病couldstoptakinginsulin胰岛素iftheywoulddobriskexercisefor30minutesjusttheretimesaweekaccordingtonewmedicalresearchresultsreportedinaCopenhagennewspaperResultsfromtestsconductedondiabeticsattheCopenhagencentralhospitalRigshospitalet’sCenterforMuscleResearchshowedthatphysicalexercisecanboostthebody’sabilitytomakeuseofinsulinby30percent.Thisisequaltotheeffectmostelderlydiabeticsgetfromtheirinsulinmedication药物治疗today. Researchershadagroupofnon-diabeticmenandagroupofmenwithtypeIIdiabetesallmorethan60yearsofageexerciseonbicyclessixtimesaweekforthreemonths.Afterthethreemonthsthedoctorsmeasuredhowmuchsugarthetestsubjects’musclescouldmakeuseofasameasureforhowwelltheirinsulinworked. AssociateProfessorDrFlemmingDelaoftheMuscleResearchCentersaidthetestsdemonstratedthattheexercisingdiabeticshadmadeasgooduseofinsulinasthehealthynon-diabeticpersons.Thismeansthattheinsulinworksjustaswellforbothgroup.Physicalexercisecannotcurepeopleofdiabetesbutitcaneliminatealmostalltheirsymptoms.AtthesametimeitcanputoffthepointatwhichtheyhavetobegintakinginsulinDelasaid. Insulinisahormoneproducedbythepancreas胰腺controllingsugarinthebodyandisusedagainstdiabetes. Delasaidthattoachievethedesiredeffectdiabeticsneedonlyexercisetothepointwheretheybegintosweatbutthattheactivityhastobemaintainedsinceitwearsoffafterfivedayswithoutsufficientexercise. MostdiabeticsrealizethattheyhavetowatchtheirdietwhileremainingunawareoftheimportanceofexerciseDelaadded. Itisrecommendedthatdiabeticsmaintainsufficientexercisesinceotherwise
{{*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}}PassiveSmoking IsWorkplaceKiller{{/B}}??PressuremountedonBritainonMondayto takeactionon{{U}}?51?{{/U}}smokingwithnewresearchshowingsecond -handsmoke{{U}}?52?{{/U}}aboutoneworkereachweekinthe hospitalityindustry服务行业.??ProfessorKnoradJamrozikof Imperial帝国的CollegeinLondontoldaconferenceonenvironmentaltobacco thatsecond–hand{{U}}?53?{{/U}}kills49employeesinpubsbars restaurantsandhotelseachyearandcontributesto700deathsfromlungcancer heart{{U}}?54?{{/U}}andstrokeacrossthetotalnationalwork force.??Exposureinthehospitality{{U}}?55?{{/U}}at workoutweighs超过theconsequencesofexposureofliving{{U}}?56 ?{{/U}}asmokerforthosestaffJamroziksaidinaninterview.? ?Other{{U}}?57?{{/U}}havemeasuredthelevelsofexposureto passivesmokingbutJamrozikcalculatedhowitwouldtranslateintoavoidable deaths.??Hisfindingsare{{U}}?58?{{/U}}onthenumber ofpeopleworkinginthehospitalityindustryinBritaintheirexposureto second-handsmokeandtheir{{U}}?59?{{/U}}ofdyingfrom it.??Jamroziksaidthefindingswouldapplyto{{U}}?60 ?{{/U}}countriesinEuropebecausetoagreateror{{U}}?61 ?{{/U}}extentlevelsofsmokinginthecommunityaresimilar.? ?ProfessorCarolBlackpresidentoftheRoyalCollegeofPhysicianswhich sponsoredthemeetingsaidtheresearchisproofoftheneedforabanon smokingin{{U}}?62?{{/U}}places.??Environmental tobaccosmokeinpubsbarsrestaurantsandotherpublicplacesis{{U}} ?63?{{/U}}damagingtothehealthofemployeesaswellasthegeneral publicshesaidinastatement.??Makingtheseplacessmoke- freenotonlyprotectsvulnerable易受伤害的staffandthepublicitwill{{U}} ?64?{{/U}}helpover300000peopleinBritaintostopsmoking completelysheadded.??Irelandrecentlybecamethefirst countrytointroduceanationalbanonsmokinginpublic{{U}}?65 ?{{/U}}.NewYorkandpartsofAustraliahavetakensimilar measures.
{{*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}}CanadaIkea:Whata GreatPlaceforYoutoShop{{/B}}??Therearemanydifferentstores thatpeoplegotoinordertobuyvarioushouseholdgoods.{{U}}?46 ?{{/U}}TheCanadaIkeaisnotconfinedtoonecityaloneinthatcountry. InsteadYouwillfindtherearemanydifferentbranchesspreadoutinmany differentlocalities.??AswithalloftheIkeastorestheCanada IkeadealsmainlywithsellingtopqualitySwedishfurniture.{{U}}?47 ?{{/U}}Onefacet方面oftheCanadaIkeathatitscustomerswilllikeisthat thestorehastheabilityofcatering迎合totheirEnglishspeakingcustomers aswellastheirFrenchcustomers.??Tomakeshoppingfor furnitureandothergoodseasytheIkeastoresineverycountryareallsetout inthesamemanner.{{U}}?48?{{/U}}AsaresultofthistheCanadaIkea isonethatitslocalandforeigncustomersenjoyvisiting.??To helpmakeiteasyforyoutoshopfortheitemsthatyouwanttherearelarge blueandyellowbagsorshoppingcartsavailable.{{U}}?49 ?{{/U}}??Asyouwanderthroughthestoreyouwillfindmany interestingitemsthatyoucanuseforyourhomeorevenoffice.Withthese productsyouwillhaveabeautifulhousethatyoucanlivecomfortablyin. {{U}}?50?{{/U}}TheCanadaIkeaisagreatplaceforyouto shop.??A?Thisfurnitureisdesignedtoprovidethehome ownerwithstylish时髦的furniturethatisalsoaffordableandperfectfor everydayuse.??B?Withsomanyitemstobefoundyouare suretowanttobuyeverythingthatcatchesyourfancy.??C ?Thesebagsandcartsareperfectforthemanydifferentlampshades cushions垫子bedlinens亚麻布toysandothermediumtosmallsizedobjects thatyouwant.??D?Thismakesitveryeasyforvisitorsfrom othercountriestobuytheitemstheyneedwithoutwanderingaroundthestore tryingtofindtheirgoods.??E?Onesuchstorethatyoucan findinmanydifferentcountriesincludingthatofCanadaisthatoftheIkea 宜家chainofstores.??F?Thelargersizedobjectsare displayedintheshowroomsoftheCanadaIkeasteres.
{{*HTML*}}{{B}}第三篇{{/B}} ??????? ??????????? ??????{{B}}U.S.LifeExpectancyHitsNew High{{/B}}??LifeexpectancyratesintheUnitedStatesareatan all-timehighwithpeoplebornin2005projectedtolivefornearly78yearsa newfederalstudyfinds.??Thefindingreflectsacontinuingtrend ofincreasinglifeexpectancythatbeganin1955whentheaverageAmerican livedtobe69.6yearsoldBy1995lifeexpectancywas75.8yearsandby2005 ithadrisento77.9yearsaccordingtothereportreleased Wednesday.??Thisisgoodnewssaidreportco-authorDonna HoyertahealthscientistattheNationalCenterforHealthStatistics.It’s evenbetternewsthatitisacontinuationoftrendssoitisalongperiodof continuingimprovement.??DespitetheupwardtrendtheUnited Statesstillhasalowerlifeexpectancythansome40othercountriesaccording totheU.S.Census人口普查Bureau.Thecountrywiththelongestlifeexpectancy isAndorraat83.5yearsfollowedbyJapanMacauSanMarinoand Singapore.??Muchoftheincreaseowestodecliningdeathrates fromthethreeleadingcausesofdeathinthecountry-heartdiseasecancer andstroke.??Inadditionin2005theU.S.deathratedropped toanall-timelowoflessthan800deathsper100000.??Dr. DavidKatzdirectorofthePreventionResearchCenteratYaleUniversitySchool ofMedicinesaidNewsthatlifeexpectancyisincreasingisofcoursegood Buttheevidencewehave’suggeststhatthereismorechronicdiseasethanever intheU.S.??AddingyearstolifeisagoodthingKatzsaid Butaddingvitallifetoyearsisatleastequallyimportant.Ifwecareabout livingwellandnotjustlongerwestillhaveourworkcutoutforushe said.ComparedwiththecountrywiththelongestlifeexpectancytheU.S.is
Theoutlookfromthetopofthemountainisbreathtaking.
{{*HTML*}}{{B}}第二篇{{/B}} ??????? ??????????? ??????????{{B}}Stop EatingTooMuch{{/B}}??Cleanyourplate!andBeamemberofthe clean-plateclub!JustabouteverykidintheUShasheardthisfromaparent orgrandparent.Oftenit’saccompaniedbyanappeal:Justthinkaboutthose starvingorphans孤儿inAfrica!Sureweshouldbegratefulforeverybiteof foodUnfortunatelymanypeopleintheUStaketoomanybites.Insteadof stayingcleantheplateperhapsweshouldsavesomefoodfor tomorrow.??AccordingtonewsreportsUSrestaurantsarepartly toblameforthegrowingbellies肚子.awaiterputsaplateoffoodinfrontof eachcustomerwithtwotofourtimestheamountrecommendedbythegovernment accordingtoaUSATodaystory.Americanstraditionallyassociatequantitywith valueandmostrestaurantstrytogivethemthat.Theyprefertohavecustomers complainabouttoomuchfoodratherthantoolittle.??Barbara Roilsanutrition营养professoratPennsylvaniaStateUniversitytoldUSA Todaythatrestaurantportionsizesbegantogrowinthe1970sthesametime thattheAmericanwaistline腰围begantoexpand.??Healthexperts havetriedtogetmanyrestaurantstoservesmallerportions.Nowapparently somecustomersarecallingforthistoo.Therestaurantindustrytrademagazine QSRreportedlastmonththat57percentofmorethan4000peoplesu.rveyed believedrestaurantsservedportionsthatweretoolarge;23percenthadno opinion;20percentdisagreedButacloserlookatthesurveyindicatesthat manyAmericanswhocan’taffordfinediningstillpreferlargeportions.Seventy percentofthoseearningatleast$150000peryearprefersmallerportions;but only45percentofthoseearninglessthan$25000wantsmaller.? ?It’snotthatworkingclassAmericansdon’twanttoeathealthy.It’sjust thatafterlonghoursatlow-payingjobsgettinglessontheirplatehardly seemslikeagooddeal.Theylivefrompaycheck薪金支票topaycheckhappyto savealittlemoneyfornextyear’sChristmas presents.WhichofthefollowingisNOTtrueofworkingclassAmericans?
UsingHIVVirustoCureCancer Scientistsareplanningtousehumanimmunodeficiency免疫缺陷virusHIVoneofmankind’smostfearedvirusesasacarrierofgeneswhichcanfightcancerandarangeofdiseasesthatcannotbecured.TheexpertssayHIVhasanalmostperfectabilitytoavoidthebody’simmune免疫的defensesmakingitidealforcarryingreplacementgenesintopatients’bodiesaccordingtotheObserver. AteamattheCalifornia-basedSalkInstituteoneoftheworld’sleadingresearchcentersonbiologicalscienceshascreatedaspecialnewbreedofHIVandhasstartednegotiationswiththeU>S>FoodandDrugAdministrationFDAtobeginclinicalgenetherapy治疗trialsthisyear.ThefirsttrialsareexpectedtoinvolvepatientssufferingfromcancersthatcannotbecuredbysurgeryalthoughprojectleaderProfessorInderVermasaidtheHIVtechniquewouldhavefarwiderapplications. Theplanremainsverylikelytocausecontroversysinceitinvolvesmakinguseofaviruswhichhascausedmorethan22milliondeathsaroundtheworldinthepasttwodecades.VermasaidthattheideaofusingHIVforabeneficialpurposewasshockingbutthefiercenatureofHIVhaddisappearedbyhavingallsixofthepotentiallydeadlygenesremoved. Illnessessuchasvariouscancersarecausedwhenageneinapatient’sbodyfailstoworkproperly.Inthepasttwoyearsbreakthroughsingenetics遗传学haveledgenetherapyscientiststotryandreplacethegenesthatdonotfunctionnormally. Unfortunatelythebody’simmunedefenseshavebeenknowntoattackthemodifiedgenesandmakethemlosetheireffectsbeforetheycanstarttheirtaskandprogressinthefieldhasbeenheldupbythelackofasuitablecarrier. TheHIVvirushastheabilitytoescapefromandthendestroytheimmunedefensecellsdesignedtoprotectourbodiesandthismakesitattractivetoscientistsasawayofsecretlyconveyingreplacementgenesintopatients’bodies. TheHIVvirusisanexcellentwarriortofightthebody’simmunecells.
NormanBlameyisanartistofdeepconvictions.
Theunionrepresentativeputacrossherargumentveryeffectively.
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