首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
The book provides a concise analysis of the country’s history.( )
查看本题答案
包含此试题的试卷
综合类《简单单选》真题及答案
点击查看
你可能感兴趣的试题
Informationgiventoemployeesmustbe______clearandine
convenient
continuous
constant
concise
3.00分Thebookprovidesvalueinformationforus.
TheConstitution's{{U}}vague{{/U}}naturehasgivenitt
imprecise
concise
unpolished
elementary
Thebookprovidesa{{U}}concise{{/U}}analysisofthecou
clean
perfect
real
brief
Thebookprovidessomevalueknowledge.
TheConstitution'svaguenaturehasgivenittheflexibili
imprecise
concise
unpolished
elementary
Thebookprovidesaconciseanalysisofthecountry'shisto
clean
perfect
real
brief
.5分Itisreportedthatthebookprovidesvalueinformatio
Thebookprovidesaconciseanalysisofthecountryshistor
clean
perfect
real
brief
Itisreportedthatthebookprovidesvalueinformationon
TheConstitution’svaguenaturehasgivenittheflexibili
imprecise
concise
unpolished
elementary
Thisbookprovidessomevalueinformationonourprojectf
Thebookprovidesvalueinformationforus.
Thebookprovidesaconciseanalysisofthecountry’shisto
clean
perfect
real
brief
Thebookprovidesaconciseanalysisofthecountry'shisto
clean
perfect
real
brief
_____ellipsisisanefficientwaytomakesentences______
Use; concise
To use; precise
Using; concise
Using; precise
Thewordconfidentialinthelastparagraphcouldbestbere
concise
professional
creative
secret
Thebookprovidesaconciseanalysisofthecountry’shisto
clean
perfect
brief
real
WhatistrueconcerningthebookPrideandPrejudice
It is the best book on marriage.
It is a handbook of marriage.
It gives quite some idea of English social life in the past.
It provides, a lot of information of former-time wealthy families.
Thebookprovidesvalueinformationoncomputerscience.
热门试题
更多
第三篇MilkThatPaidaMediealBill Onedayapoorboywhowassellinggoodsfromdoortodoortopayhiswaythroughschoolfoundhehadonlyonethindime10分钱leftandhewashungry. Hedecidedhewouldaskforamealatthenexthouse.Howeverhelosthisnervewhenalovelyyoungwomanopenedthedoor.Insteadofamealheaskedforadrinkofwater.Shethoughthelookedhungrysoshebroughthimalargeglassofmilk.Hedrankitslowlyandthenasked.HowmuchdoIoweyou?’Youdon’towemeanythingshereplied.Motherhastaughtusnevertoacceptpayforakindness.Hesaid.ThenIthankyoufrommyheart. AsHowardKellyleftthathousehenotonlyfeltstrongerphysicallybuthisfaithinGodAndmanwasstrongalsoHehadbeenreadytogiveupandquit. Yearslaterthatyoungwomanbecamecriticallyi11.Thelocaldoctorswerebaffled感到困惑.Theyfinallysenthertothebigcitywheretheycalledinspecialiststostudyherraredisease.DrHowardKellywascalledinfortheconsultationWhenheheardthenameofthetownshecamefrom.astrangelightfilledhiseyes.Immediatelyheroseandwentdownthehallofthehospitaltoherroom.Dressedinhisdoctor’sgownhewentintoseeher.HerecognizedheratonceHewentbacktotheconsultationroomdeterminedtodohisbesttosaveherlife.FromthatdayhegavespecialattentiontothecaseAfteralongstrugglethebattlewaswon. Dr.Kellyrequestedthebusinessofficetopassthefinalbilltohimforapproval.HelookedAtitthenwrotesomethingontheedgeandthebillwassenttoherroom.Shefearedtoopenit.forshewassureitwouldtaketherestofherliretoPayforitallFinallyshelooked.andsomethingCaughtherattentiononthesideofthebillShereadthesewordsPaidinfullwithoneglassofmilk.TearsofjoyfloodedhereyesasherhappyheartprayedThankYouGodthatY0urlovehasspreadabroadthroughhumanheartsandhands. DrKellygavespecialattentiontothecasemainlybecause
Andthecarsaretestedfordefectsbeforeleavingthefactory.
Theriverwidensconsiderablyasitbeginstoturnwest.
WhatIsAnthrax炭疽? There’Sbeenalotoftalkaboutanthraxonthenewslately.Somepeopleareworriedthatanthraxmaybeconnectedtoterroristattacksorthatterroristsmayspreadthegermthat_____51thedisease.Federalofficialsandpoliceareinvestigatingthisandtaking______52toprotectus. Inthemeantimeit’Simportantnottopanicoveranthrax.ThechancesthatyouandyourFamily________53atriskareverytiny.Oneofthewaysyoucanfeelbetteristoleamaboutanthrax.Whenyouknowwhatitisand_____54youcangetititdoesn’tseemquiteasscary. Sowhat______55isanthrax? Herearethefactsonanthrax AnthraxisabacterialinfectioncausedbyagermAlthoughit’Smostcommoninfarm_____56likesheepCOWSpigshorsesandgoatsthere’Saverysmallchancethatpeoplecangetittoo Anthraxspores孢子aversionofthegerminaprotectiveshellthatcanliveinthesoilforyearscausethedisease.Peoplemaygetanthraxiftheyareexposedtoanthrax_____57Buthere’Stheimportantpartjustbeingexposedtothesesporesdoesn’tmeanthatapersonwillget_____58. Forapersontogetsickhewouldhavetobreatheinthousandsofthesesporesa11thewayIntohis_____59.Orhe’dhavetoeatmeatcontaminatedwithanthraxorhandle_____60thathasanthraxsporesThismaysoundscarybutevenwhenapersoncomes_____61contactwiththesporesit’Sunlikelythathe’11getsick._______62thebacteriadonotgetintotheskindigestivetractorlungthediseasewon’tdevelop. Anthraxisnotspreadfrompersontopersonthewaytheflucanspreadfromfamilymemberto______63memberorclassmatetoclassmateAnthraxcanalmostalwaysbesuccessfullytreatedwithantibiotics抗生素.Anthraxisveryrare.Untilrecentlyanthraxwasn’teventalkedaboutbecauseitwassorare-anditstill_______64!Evenwithalloftheanthraxcasesyouarehearingaboutrightnowaperson’schancesofgettinganthraxareaboutthe_____65astheywerebeforeyouheardaboutanthraxonthenews——veryverylow
StemCellTherapyMayHelpRepairtheHeart AccordingtoscientistsintheUSAstemcelltherapymayonedaybeabletorepairtheheartsofpeoplewithheartfailure.ResearchersatPittsburghUniversitySchoolofMedicineexamined20patientswhohadsevereheartfailureandweregoingtohavesurgery. TheyinjectedstemcellsintothepartsoftheirheartsthatweredamagedTheythencomparedtheirheartswiththoseofpeoplewhohadundergonesurgerywithouthavingthestemcellsinjectedintothemtheyhadalsosufferedfromsevereheartfailure.Thepatientswhohadhadthestemcellsinjectedhadheartsthatwereabletopump用泵抽运morebloodthantheothers. AccordingtoProfessorRobertKormosoneoft11eresearcherstheseresultscouldrevolutionizehearttreatment.Althoughpreviousstudieshadindicatedthattheremightbeabenefitthisisthefirststudythathasactuallyprovedthatstemcelltherapycanhelpthefailingheartworkbetter. Allthepatientsinthisstudyhadheartsthatcouldnotpumpbloodproperly.Thescientistsmeasuredtheirejectionfraction射血分数.1tisameasureofheartperformanceyoumeasurehowmuchbloodisbeingpumpedoutbytheleftventricle心室. Healthypeople’sejectionfractionisabout55%.Thesepatientshadejectionfractionofunder35%.Theya11hadby-passsurgery搭桥手术performedonthem.Someofthepatientshadstemcellstakenfromtheirhipbonesandinjectedinto25-30sitesinthedamagedheartmuscleSixmonthslatertheirejectionfractionratewas46.1%whilethosewhojusthadsurgerybutnostemcellinjectionsaveraged372%. Nosideeffectswerereposed. Heartfailureisacommonproblemallovertheworld.IntheUKaloneabout650000peoplesufferfromheartfailureeveryyear.Asthenumberofpeoplesufferingfromheartfailureincreasesintheworldingeneralthesefindingsareparticularlysignificant. Currenttreatmentsrelievethesymptoms.Thisnewstemcelltherapyactuallyrepairsthedamagedmuscleintheheartandhasthepotentialofcuringthedisease. Stemcelltherapyseemstohavegreatprospects.
HealthCarsIntheUS HealthcareintheUSiswell-knownbutveryexpensive.Payingthedoctor’sbillafteramajor illnessoraccidentcancosthundredsofthousandsofdollars. IntheUSaperson’scompanynotthegovernmentpaysforhealthinsurance. Employershavecontractswithinsurancecompanieswhichpayforallorpartofemployees’doctors’bills. Theamountthattheinsurancecompanywillpayouttoapatientdifferswildly.Italldependsonwhatinsurancetheemployerpays.Thelessthebosspaystotheinsurancecompanythemoretheemployeehastopaythehospitaleachtimeheorshegetssick.In2004theaverageworkerpaidanextraUS$558ayearaccordingtoaSanFranciscoreport. ThesystemalsomeansmanyAmericansfallthroughthecracks遭遗漏.In2004only61percentofthepopulationreceivedhealthinsurancethroughtheiremployersaccordingtothereport.Theunemployedself-employedpart-timeworkersandgraduatedstudentswithnojobswerenotincluded. MostUSuniversitystudentshaveagapbetweentheirlastdayofschoolandtheirfirstdayonthejob.Oftentheyarenolongerprotectedbytheirparents’insurancebecausetheyarenowconsideredindependentadults.Theyalsocannotbuyuniversityhealthinsurancebecausetheyarenolongerstudents. AnothergroupthatfallsthroughthegapoftheUSsystemisinternationalstudents.Allarerequiredtohavehealthinsuranceandcannotbegintheirclasseswithoutit.Butexactpolicies保险单differfromschooltoschool. MostuniversitiesworkwithhealthinsurancecompaniesandselltheirownstandardplanforstudentsOftenbuyingtheschoolplanisrequiredbutluckilyit’salsocheaperthanbuyingdirectfromtheinsurancecompany. IntheUSaperson’scompanybuyshimorherhealthinsurance.
第二篇Diabetes糖屎病andEyeDamage 0vet2millionCanadianshavediabetes.ItistheleadingcauseofblindnessinNorthAmericansunder65yearsofageDiabetesisaconditionwherethebodyeithercannotproduceenoughinsulin胰岛素orcannotrespondproperlytoinsulin.Insulinisimportantbecauseitmovesglucose葡萄糖asimplesugar.intothebody’Scellsfromtheblood.Thefoodpeopleeatprovidesthebodywithglucosewhichisusedbythecellsasasourceofenergy.Ifinsulinisn’tavailableordoesn’tworkcorrectlytomoveglucosefromthebloodintothecellsglucosewillstayinthebloodleadingtohighbloodsugarlevels. Highbloodsugarlevelsdamagethebloodvesselsincludingthetinybloodvesselsintheeye.Thisleadstoaneyediseaseknownasdiabeticretinopathy糖尿病型视网膜病.Theretina视网膜isanareaatthebackoftheeyethatchangeslightintonervesignals.Withdiabeticretinopathysomebloodvesselsintheretinaarelostandsomeoftheotherbloodvesselsbegintoleak’’bloodThiscausestheretinatoswell.andgraduallycutsoffitssupplyofoxygenandnutrients滋养物.Eventuallytheretinastartstogrownewbloodvesselstoreplacethedamagedones.UnfortunatelythesenewvesselsarenotasstrongastheoldonesTheyaremorelikelytobreakcausingbleedingintheeye Atfirstpeoplewithdiabeticretinopathywillnotnoticeanysymptoms.Asthediseasegetsworsetheymaynoticeblurred模糊的visionblackspotsorflashinglights.AstimegoesonitCanprogresstoblindnessEveryonewithdiabetesisatriskfordiabeticretinopathyandtheriskincreasesthelongeryou’vehaddiabetes FortunatelyyoucanreduceyourriskIfyoudonothavediabetesbutthinkyoumaybeatriskforthiscondition.visityourdoctortobescreenedfordiabetes.Ifyoud0havediabetes Havefrequenteyecheck-ups. MakesurethatyoumonitoryourbloodsugarfrequentlyanduseyourmedicationsasrecommendedbyyourdoctorThereisevidencetoshowthatkeepingyourbloodsugarundertightcontrolcanslowdowneyedamage Ifyouhavehighbloodpressurefollowyourrecommendeddietandmedicationstokeepitundercontrol.Ifyouarenotsurewhetheryouhavehighbloodpressureorwhetheryourbloodpressureisundercontroldiscussthiswithyourdoctor Toslowdowneyedamagepeoplewithdiabetesshouldtryto
WhatIsAnthrax炭疽? There’Sbeenalotoftalkaboutanthraxonthenewslately.Somepeopleareworriedthatanthraxmaybeconnectedtoterroristattacksorthatterroristsmayspreadthegermthat_____51thedisease.Federalofficialsandpoliceareinvestigatingthisandtaking______52toprotectus. Inthemeantimeit’Simportantnottopanicoveranthrax.ThechancesthatyouandyourFamily________53atriskareverytiny.Oneofthewaysyoucanfeelbetteristoleamaboutanthrax.Whenyouknowwhatitisand_____54youcangetititdoesn’tseemquiteasscary. Sowhat______55isanthrax? Herearethefactsonanthrax AnthraxisabacterialinfectioncausedbyagermAlthoughit’Smostcommoninfarm_____56likesheepCOWSpigshorsesandgoatsthere’Saverysmallchancethatpeoplecangetittoo Anthraxspores孢子aversionofthegerminaprotectiveshellthatcanliveinthesoilforyearscausethedisease.Peoplemaygetanthraxiftheyareexposedtoanthrax_____57Buthere’Stheimportantpartjustbeingexposedtothesesporesdoesn’tmeanthatapersonwillget_____58. Forapersontogetsickhewouldhavetobreatheinthousandsofthesesporesa11thewayIntohis_____59.Orhe’dhavetoeatmeatcontaminatedwithanthraxorhandle_____60thathasanthraxsporesThismaysoundscarybutevenwhenapersoncomes_____61contactwiththesporesit’Sunlikelythathe’11getsick._______62thebacteriadonotgetintotheskindigestivetractorlungthediseasewon’tdevelop. Anthraxisnotspreadfrompersontopersonthewaytheflucanspreadfromfamilymemberto______63memberorclassmatetoclassmateAnthraxcanalmostalwaysbesuccessfullytreatedwithantibiotics抗生素.Anthraxisveryrare.Untilrecentlyanthraxwasn’teventalkedaboutbecauseitwassorare-anditstill_______64!Evenwithalloftheanthraxcasesyouarehearingaboutrightnowaperson’schancesofgettinganthraxareaboutthe_____65astheywerebeforeyouheardaboutanthraxonthenews——veryverylow
第一篇MoreThanaRidetoSchool TheNationalEducationAssociationclaims.Theschoolbusisamirrorofthecommunity.TheyfurtheraddthatunfortunatelywhatappearsontheexteriordoesnotalwaysreflecttherealityofachosencommunityTheyareright-sometimesitreflectsmore!JustaskLieslDensonRidingtheschoolbushasbeenmorethanaridetoschoolforLiesl BruceHardyschoolbusdriverforAlthouseBusCompanyhasbeenLiesl’Sbusdriversincekindergarten.LastyearwhenLiesl’SfamilymovedtoParkesburgknowingherbuswentbyhernewresidencesherequestedtoridethesamebus. ThisyearLieslisaseniorandwillenjoyherlastyearridingthebusShesaysItSbeenagreatridesofar!MybusdriverisSOcootandhasalwaysbeenagoodfriendandagoodlistener.Sometimeswhenyou’reachildadultsdonotthinkthatwhatyouhavetosayisimportant.Mr.Hardyalwayslistenstowhatyouhavetosayandmakesyoufeelimportant.HerfriendsAshleyBatistaandAmandaWolfeagree. BruceHardyhasbeenmakingOctorarastudentsfeelspecialsince1975.Thisyearhewillcelebrate30yearsworkingforAlthouseBusCompany.LarryAlthousepresidentofthecompanyacknowledgesBruceHardy’SoutstandingrecordYoudonotcomebyemployeeslikeBrucethesedays.Hehasnevermissedadayofworkandhasaperfectdrivingrecord.Hewasrecognizedin2000bythePennsylvaniaSchoolBusAssociationfordriving350000accidentfreemiles.Hardy’Sreputationismadefurtherevidentthroughtherelationshipshehasmadewiththestudentsthatridehisbus. AlthousefurtheraddsAlthouseBusCompanywasestablished70yearsagoandhasbeenprovidingqualitytransportationeversince.MygrandfatherStartedthebusinesswithonebus-AlthouseBusCompanyisdellghtedtohavetheopportunitytobringdistinctiveandsafeservicetoourlocalschoolandcommunityandlooksforwardtocontinuingtoprovidequalityserviceformanymoreyearstocome. Threegenerationsofbusinessisnotallthecompanyhase~oyed.ThankstodriverslikeBruceHardytheyhavebeenbuildingrelationshipsthroughgenerations.Liesl’SmotherCarolalsoenjoysfondmemoriesofridingBruceHardy’SbustotheOctoraraSchoolDistrict. AlthouseBusCompanywasfoundedbv
第三篇MilkThatPaidaMediealBill Onedayapoorboywhowassellinggoodsfromdoortodoortopayhiswaythroughschoolfoundhehadonlyonethindime10分钱leftandhewashungry. Hedecidedhewouldaskforamealatthenexthouse.Howeverhelosthisnervewhenalovelyyoungwomanopenedthedoor.Insteadofamealheaskedforadrinkofwater.Shethoughthelookedhungrysoshebroughthimalargeglassofmilk.Hedrankitslowlyandthenasked.HowmuchdoIoweyou?’Youdon’towemeanythingshereplied.Motherhastaughtusnevertoacceptpayforakindness.Hesaid.ThenIthankyoufrommyheart. AsHowardKellyleftthathousehenotonlyfeltstrongerphysicallybuthisfaithinGodAndmanwasstrongalsoHehadbeenreadytogiveupandquit. Yearslaterthatyoungwomanbecamecriticallyi11.Thelocaldoctorswerebaffled感到困惑.Theyfinallysenthertothebigcitywheretheycalledinspecialiststostudyherraredisease.DrHowardKellywascalledinfortheconsultationWhenheheardthenameofthetownshecamefrom.astrangelightfilledhiseyes.Immediatelyheroseandwentdownthehallofthehospitaltoherroom.Dressedinhisdoctor’sgownhewentintoseeher.HerecognizedheratonceHewentbacktotheconsultationroomdeterminedtodohisbesttosaveherlife.FromthatdayhegavespecialattentiontothecaseAfteralongstrugglethebattlewaswon. Dr.Kellyrequestedthebusinessofficetopassthefinalbilltohimforapproval.HelookedAtitthenwrotesomethingontheedgeandthebillwassenttoherroom.Shefearedtoopenit.forshewassureitwouldtaketherestofherliretoPayforitallFinallyshelooked.andsomethingCaughtherattentiononthesideofthebillShereadthesewordsPaidinfullwithoneglassofmilk.TearsofjoyfloodedhereyesasherhappyheartprayedThankYouGodthatY0urlovehasspreadabroadthroughhumanheartsandhands. Butfortheyoungwoman’skinddeedtheboycould
Thousandsofpeopleperishedinthestorm.
WhatIsAnthrax炭疽? There’Sbeenalotoftalkaboutanthraxonthenewslately.Somepeopleareworriedthatanthraxmaybeconnectedtoterroristattacksorthatterroristsmayspreadthegermthat_____51thedisease.Federalofficialsandpoliceareinvestigatingthisandtaking______52toprotectus. Inthemeantimeit’Simportantnottopanicoveranthrax.ThechancesthatyouandyourFamily________53atriskareverytiny.Oneofthewaysyoucanfeelbetteristoleamaboutanthrax.Whenyouknowwhatitisand_____54youcangetititdoesn’tseemquiteasscary. Sowhat______55isanthrax? Herearethefactsonanthrax AnthraxisabacterialinfectioncausedbyagermAlthoughit’Smostcommoninfarm_____56likesheepCOWSpigshorsesandgoatsthere’Saverysmallchancethatpeoplecangetittoo Anthraxspores孢子aversionofthegerminaprotectiveshellthatcanliveinthesoilforyearscausethedisease.Peoplemaygetanthraxiftheyareexposedtoanthrax_____57Buthere’Stheimportantpartjustbeingexposedtothesesporesdoesn’tmeanthatapersonwillget_____58. Forapersontogetsickhewouldhavetobreatheinthousandsofthesesporesa11thewayIntohis_____59.Orhe’dhavetoeatmeatcontaminatedwithanthraxorhandle_____60thathasanthraxsporesThismaysoundscarybutevenwhenapersoncomes_____61contactwiththesporesit’Sunlikelythathe’11getsick._______62thebacteriadonotgetintotheskindigestivetractorlungthediseasewon’tdevelop. Anthraxisnotspreadfrompersontopersonthewaytheflucanspreadfromfamilymemberto______63memberorclassmatetoclassmateAnthraxcanalmostalwaysbesuccessfullytreatedwithantibiotics抗生素.Anthraxisveryrare.Untilrecentlyanthraxwasn’teventalkedaboutbecauseitwassorare-anditstill_______64!Evenwithalloftheanthraxcasesyouarehearingaboutrightnowaperson’schancesofgettinganthraxareaboutthe_____65astheywerebeforeyouheardaboutanthraxonthenews——veryverylow
WhatIsAnthrax炭疽? There’Sbeenalotoftalkaboutanthraxonthenewslately.Somepeopleareworriedthatanthraxmaybeconnectedtoterroristattacksorthatterroristsmayspreadthegermthat_____51thedisease.Federalofficialsandpoliceareinvestigatingthisandtaking______52toprotectus. Inthemeantimeit’Simportantnottopanicoveranthrax.ThechancesthatyouandyourFamily________53atriskareverytiny.Oneofthewaysyoucanfeelbetteristoleamaboutanthrax.Whenyouknowwhatitisand_____54youcangetititdoesn’tseemquiteasscary. Sowhat______55isanthrax? Herearethefactsonanthrax AnthraxisabacterialinfectioncausedbyagermAlthoughit’Smostcommoninfarm_____56likesheepCOWSpigshorsesandgoatsthere’Saverysmallchancethatpeoplecangetittoo Anthraxspores孢子aversionofthegerminaprotectiveshellthatcanliveinthesoilforyearscausethedisease.Peoplemaygetanthraxiftheyareexposedtoanthrax_____57Buthere’Stheimportantpartjustbeingexposedtothesesporesdoesn’tmeanthatapersonwillget_____58. Forapersontogetsickhewouldhavetobreatheinthousandsofthesesporesa11thewayIntohis_____59.Orhe’dhavetoeatmeatcontaminatedwithanthraxorhandle_____60thathasanthraxsporesThismaysoundscarybutevenwhenapersoncomes_____61contactwiththesporesit’Sunlikelythathe’11getsick._______62thebacteriadonotgetintotheskindigestivetractorlungthediseasewon’tdevelop. Anthraxisnotspreadfrompersontopersonthewaytheflucanspreadfromfamilymemberto______63memberorclassmatetoclassmateAnthraxcanalmostalwaysbesuccessfullytreatedwithantibiotics抗生素.Anthraxisveryrare.Untilrecentlyanthraxwasn’teventalkedaboutbecauseitwassorare-anditstill_______64!Evenwithalloftheanthraxcasesyouarehearingaboutrightnowaperson’schancesofgettinganthraxareaboutthe_____65astheywerebeforeyouheardaboutanthraxonthenews——veryverylow
JohniscollaboratingwithMaryinwritinganarticle.
Foryoungchildrengettingdressedisacomplicatedbusiness.
第一篇MoreThanaRidetoSchool TheNationalEducationAssociationclaims.Theschoolbusisamirrorofthecommunity.TheyfurtheraddthatunfortunatelywhatappearsontheexteriordoesnotalwaysreflecttherealityofachosencommunityTheyareright-sometimesitreflectsmore!JustaskLieslDensonRidingtheschoolbushasbeenmorethanaridetoschoolforLiesl BruceHardyschoolbusdriverforAlthouseBusCompanyhasbeenLiesl’Sbusdriversincekindergarten.LastyearwhenLiesl’SfamilymovedtoParkesburgknowingherbuswentbyhernewresidencesherequestedtoridethesamebus. ThisyearLieslisaseniorandwillenjoyherlastyearridingthebusShesaysItSbeenagreatridesofar!MybusdriverisSOcootandhasalwaysbeenagoodfriendandagoodlistener.Sometimeswhenyou’reachildadultsdonotthinkthatwhatyouhavetosayisimportant.Mr.Hardyalwayslistenstowhatyouhavetosayandmakesyoufeelimportant.HerfriendsAshleyBatistaandAmandaWolfeagree. BruceHardyhasbeenmakingOctorarastudentsfeelspecialsince1975.Thisyearhewillcelebrate30yearsworkingforAlthouseBusCompany.LarryAlthousepresidentofthecompanyacknowledgesBruceHardy’SoutstandingrecordYoudonotcomebyemployeeslikeBrucethesedays.Hehasnevermissedadayofworkandhasaperfectdrivingrecord.Hewasrecognizedin2000bythePennsylvaniaSchoolBusAssociationfordriving350000accidentfreemiles.Hardy’Sreputationismadefurtherevidentthroughtherelationshipshehasmadewiththestudentsthatridehisbus. AlthousefurtheraddsAlthouseBusCompanywasestablished70yearsagoandhasbeenprovidingqualitytransportationeversince.MygrandfatherStartedthebusinesswithonebus-AlthouseBusCompanyisdellghtedtohavetheopportunitytobringdistinctiveandsafeservicetoourlocalschoolandcommunityandlooksforwardtocontinuingtoprovidequalityserviceformanymoreyearstocome. Threegenerationsofbusinessisnotallthecompanyhase~oyed.ThankstodriverslikeBruceHardytheyhavebeenbuildingrelationshipsthroughgenerations.Liesl’SmotherCarolalsoenjoysfondmemoriesofridingBruceHardy’SbustotheOctoraraSchoolDistrict. BraceHardyhasbeenworkingwithAlthouseBusCompany
第一篇 HappyTherapy诊疗 NormanCousinswasabusinessmanfromtheUnitedStateswhooftentraveledaroundtheworldonbusiness.Heenjoyedhisworkandtraveling. ThenafterreturningtotileUnitedStatesfromabusyandtiringtriptoRussiaMr.Cousinsgotsick.Becausehehadpushedhisbodytothelimitofitsstrengthonthetripachemicalchangebegantotakeplaceinsidehim.Thematerialbetweenhisbonesbecameweak. Inlessthanoneweekafterhisreturnhecouldnotstand.Everymovethathemadewaspainful.Hewasnotabletosleepatnight. ThedoctorstoldMr.Cousinsthattheydidnotknowhowtocurehisproblemsandhemightnevergetovertheillness.Mr.Cousinshoweverrefusedtogiveuphope. Mr.Cousinsthoughtthatunhappythoughtswerecausingbadchemicalchangesinhisbody.Hedidnotwanttotakemedicinetocurehimself.Insteadhefeltthathappythoughtsorlaughtermightcurehisillness. Hebegantoexperimentonhimselfwhilestillinthehospitalbywatchingfunnyshowsontelevision.Mr.Cousinsquicklyfoundthattenminutesofreallaughterduringthedaygavehimtwohoursofpain-freesleepatnight. DecidingthatthedoctorscouldnothelphimMr.Cousinsleftthehospitalandcheckedintoahotelroomwherehecouldcontinuehisexperimentswithlaughter.ForeightdaysMr.Cousinsrestedinthehotelroomwatchingfunnyshowsontelevisionreadingfunnybooksandsleepingwheneverhefelttired.WithinthreeweekshefeltwellenoughtotakeavacationtoPuertoRicowherehebeganrunningonthebeachforexercise. AfterafewmonthsMr.CousinsreturnedtoworkHehadlaughedhimselfbacktohealth. HowdidthedoctorsrespondtoMr.Cousins’illness?
HealthCarsIntheUS HealthcareintheUSiswell-knownbutveryexpensive.Payingthedoctor’sbillafteramajor illnessoraccidentcancosthundredsofthousandsofdollars. IntheUSaperson’scompanynotthegovernmentpaysforhealthinsurance. Employershavecontractswithinsurancecompanieswhichpayforallorpartofemployees’doctors’bills. Theamountthattheinsurancecompanywillpayouttoapatientdifferswildly.Italldependsonwhatinsurancetheemployerpays.Thelessthebosspaystotheinsurancecompanythemoretheemployeehastopaythehospitaleachtimeheorshegetssick.In2004theaverageworkerpaidanextraUS$558ayearaccordingtoaSanFranciscoreport. ThesystemalsomeansmanyAmericansfallthroughthecracks遭遗漏.In2004only61percentofthepopulationreceivedhealthinsurancethroughtheiremployersaccordingtothereport.Theunemployedself-employedpart-timeworkersandgraduatedstudentswithnojobswerenotincluded. MostUSuniversitystudentshaveagapbetweentheirlastdayofschoolandtheirfirstdayonthejob.Oftentheyarenolongerprotectedbytheirparents’insurancebecausetheyarenowconsideredindependentadults.Theyalsocannotbuyuniversityhealthinsurancebecausetheyarenolongerstudents. AnothergroupthatfallsthroughthegapoftheUSsystemisinternationalstudents.Allarerequiredtohavehealthinsuranceandcannotbegintheirclasseswithoutit.Butexactpolicies保险单differfromschooltoschool. MostuniversitiesworkwithhealthinsurancecompaniesandselltheirownstandardplanforstudentsOftenbuyingtheschoolplanisrequiredbutluckilyit’salsocheaperthanbuyingdirectfromtheinsurancecompany. AllinternationalstudentsintheUShavetobuyhealthinsurance.
WhatIsAnthrax炭疽? There’Sbeenalotoftalkaboutanthraxonthenewslately.Somepeopleareworriedthatanthraxmaybeconnectedtoterroristattacksorthatterroristsmayspreadthegermthat_____51thedisease.Federalofficialsandpoliceareinvestigatingthisandtaking______52toprotectus. Inthemeantimeit’Simportantnottopanicoveranthrax.ThechancesthatyouandyourFamily________53atriskareverytiny.Oneofthewaysyoucanfeelbetteristoleamaboutanthrax.Whenyouknowwhatitisand_____54youcangetititdoesn’tseemquiteasscary. Sowhat______55isanthrax? Herearethefactsonanthrax AnthraxisabacterialinfectioncausedbyagermAlthoughit’Smostcommoninfarm_____56likesheepCOWSpigshorsesandgoatsthere’Saverysmallchancethatpeoplecangetittoo Anthraxspores孢子aversionofthegerminaprotectiveshellthatcanliveinthesoilforyearscausethedisease.Peoplemaygetanthraxiftheyareexposedtoanthrax_____57Buthere’Stheimportantpartjustbeingexposedtothesesporesdoesn’tmeanthatapersonwillget_____58. Forapersontogetsickhewouldhavetobreatheinthousandsofthesesporesa11thewayIntohis_____59.Orhe’dhavetoeatmeatcontaminatedwithanthraxorhandle_____60thathasanthraxsporesThismaysoundscarybutevenwhenapersoncomes_____61contactwiththesporesit’Sunlikelythathe’11getsick._______62thebacteriadonotgetintotheskindigestivetractorlungthediseasewon’tdevelop. Anthraxisnotspreadfrompersontopersonthewaytheflucanspreadfromfamilymemberto______63memberorclassmatetoclassmateAnthraxcanalmostalwaysbesuccessfullytreatedwithantibiotics抗生素.Anthraxisveryrare.Untilrecentlyanthraxwasn’teventalkedaboutbecauseitwassorare-anditstill_______64!Evenwithalloftheanthraxcasesyouarehearingaboutrightnowaperson’schancesofgettinganthraxareaboutthe_____65astheywerebeforeyouheardaboutanthraxonthenews——veryverylow
Theseprogrammesareofimmensevaluetooldpeople.
HealthCarsIntheUS HealthcareintheUSiswell-knownbutveryexpensive.Payingthedoctor’sbillafteramajor illnessoraccidentcancosthundredsofthousandsofdollars. IntheUSaperson’scompanynotthegovernmentpaysforhealthinsurance. Employershavecontractswithinsurancecompanieswhichpayforallorpartofemployees’doctors’bills. Theamountthattheinsurancecompanywillpayouttoapatientdifferswildly.Italldependsonwhatinsurancetheemployerpays.Thelessthebosspaystotheinsurancecompanythemoretheemployeehastopaythehospitaleachtimeheorshegetssick.In2004theaverageworkerpaidanextraUS$558ayearaccordingtoaSanFranciscoreport. ThesystemalsomeansmanyAmericansfallthroughthecracks遭遗漏.In2004only61percentofthepopulationreceivedhealthinsurancethroughtheiremployersaccordingtothereport.Theunemployedself-employedpart-timeworkersandgraduatedstudentswithnojobswerenotincluded. MostUSuniversitystudentshaveagapbetweentheirlastdayofschoolandtheirfirstdayonthejob.Oftentheyarenolongerprotectedbytheirparents’insurancebecausetheyarenowconsideredindependentadults.Theyalsocannotbuyuniversityhealthinsurancebecausetheyarenolongerstudents. AnothergroupthatfallsthroughthegapoftheUSsystemisinternationalstudents.Allarerequiredtohavehealthinsuranceandcannotbegintheirclasseswithoutit.Butexactpolicies保险单differfromschooltoschool. MostuniversitiesworkwithhealthinsurancecompaniesandselltheirownstandardplanforstudentsOftenbuyingtheschoolplanisrequiredbutluckilyit’salsocheaperthanbuyingdirectfromtheinsurancecompany. ThehealthcaresystemintheUStakescareofeveryoneinthecountry.
Manyscientistshavebeenprobingpsychologicalproblems.
WhatIsAnthrax炭疽? There’Sbeenalotoftalkaboutanthraxonthenewslately.Somepeopleareworriedthatanthraxmaybeconnectedtoterroristattacksorthatterroristsmayspreadthegermthat_____51thedisease.Federalofficialsandpoliceareinvestigatingthisandtaking______52toprotectus. Inthemeantimeit’Simportantnottopanicoveranthrax.ThechancesthatyouandyourFamily________53atriskareverytiny.Oneofthewaysyoucanfeelbetteristoleamaboutanthrax.Whenyouknowwhatitisand_____54youcangetititdoesn’tseemquiteasscary. Sowhat______55isanthrax? Herearethefactsonanthrax AnthraxisabacterialinfectioncausedbyagermAlthoughit’Smostcommoninfarm_____56likesheepCOWSpigshorsesandgoatsthere’Saverysmallchancethatpeoplecangetittoo Anthraxspores孢子aversionofthegerminaprotectiveshellthatcanliveinthesoilforyearscausethedisease.Peoplemaygetanthraxiftheyareexposedtoanthrax_____57Buthere’Stheimportantpartjustbeingexposedtothesesporesdoesn’tmeanthatapersonwillget_____58. Forapersontogetsickhewouldhavetobreatheinthousandsofthesesporesa11thewayIntohis_____59.Orhe’dhavetoeatmeatcontaminatedwithanthraxorhandle_____60thathasanthraxsporesThismaysoundscarybutevenwhenapersoncomes_____61contactwiththesporesit’Sunlikelythathe’11getsick._______62thebacteriadonotgetintotheskindigestivetractorlungthediseasewon’tdevelop. Anthraxisnotspreadfrompersontopersonthewaytheflucanspreadfromfamilymemberto______63memberorclassmatetoclassmateAnthraxcanalmostalwaysbesuccessfullytreatedwithantibiotics抗生素.Anthraxisveryrare.Untilrecentlyanthraxwasn’teventalkedaboutbecauseitwassorare-anditstill_______64!Evenwithalloftheanthraxcasesyouarehearingaboutrightnowaperson’schancesofgettinganthraxareaboutthe_____65astheywerebeforeyouheardaboutanthraxonthenews——veryverylow
HealthCarsIntheUS HealthcareintheUSiswell-knownbutveryexpensive.Payingthedoctor’sbillafteramajor illnessoraccidentcancosthundredsofthousandsofdollars. IntheUSaperson’scompanynotthegovernmentpaysforhealthinsurance. Employershavecontractswithinsurancecompanieswhichpayforallorpartofemployees’doctors’bills. Theamountthattheinsurancecompanywillpayouttoapatientdifferswildly.Italldependsonwhatinsurancetheemployerpays.Thelessthebosspaystotheinsurancecompanythemoretheemployeehastopaythehospitaleachtimeheorshegetssick.In2004theaverageworkerpaidanextraUS$558ayearaccordingtoaSanFranciscoreport. ThesystemalsomeansmanyAmericansfallthroughthecracks遭遗漏.In2004only61percentofthepopulationreceivedhealthinsurancethroughtheiremployersaccordingtothereport.Theunemployedself-employedpart-timeworkersandgraduatedstudentswithnojobswerenotincluded. MostUSuniversitystudentshaveagapbetweentheirlastdayofschoolandtheirfirstdayonthejob.Oftentheyarenolongerprotectedbytheirparents’insurancebecausetheyarenowconsideredindependentadults.Theyalsocannotbuyuniversityhealthinsurancebecausetheyarenolongerstudents. AnothergroupthatfallsthroughthegapoftheUSsystemisinternationalstudents.Allarerequiredtohavehealthinsuranceandcannotbegintheirclasseswithoutit.Butexactpolicies保险单differfromschooltoschool. MostuniversitiesworkwithhealthinsurancecompaniesandselltheirownstandardplanforstudentsOftenbuyingtheschoolplanisrequiredbutluckilyit’salsocheaperthanbuyingdirectfromtheinsurancecompany. In2004mostoftheunemployedintheUSwerewomen.
StemCellTherapyMayHelpRepairtheHeart AccordingtoscientistsintheUSAstemcelltherapymayonedaybeabletorepairtheheartsofpeoplewithheartfailure.ResearchersatPittsburghUniversitySchoolofMedicineexamined20patientswhohadsevereheartfailureandweregoingtohavesurgery. TheyinjectedstemcellsintothepartsoftheirheartsthatweredamagedTheythencomparedtheirheartswiththoseofpeoplewhohadundergonesurgerywithouthavingthestemcellsinjectedintothemtheyhadalsosufferedfromsevereheartfailure.Thepatientswhohadhadthestemcellsinjectedhadheartsthatwereabletopump用泵抽运morebloodthantheothers. AccordingtoProfessorRobertKormosoneoft11eresearcherstheseresultscouldrevolutionizehearttreatment.Althoughpreviousstudieshadindicatedthattheremightbeabenefitthisisthefirststudythathasactuallyprovedthatstemcelltherapycanhelpthefailingheartworkbetter. Allthepatientsinthisstudyhadheartsthatcouldnotpumpbloodproperly.Thescientistsmeasuredtheirejectionfraction射血分数.1tisameasureofheartperformanceyoumeasurehowmuchbloodisbeingpumpedoutbytheleftventricle心室. Healthypeople’sejectionfractionisabout55%.Thesepatientshadejectionfractionofunder35%.Theya11hadby-passsurgery搭桥手术performedonthem.Someofthepatientshadstemcellstakenfromtheirhipbonesandinjectedinto25-30sitesinthedamagedheartmuscleSixmonthslatertheirejectionfractionratewas46.1%whilethosewhojusthadsurgerybutnostemcellinjectionsaveraged372%. Nosideeffectswerereposed. Heartfailureisacommonproblemallovertheworld.IntheUKaloneabout650000peoplesufferfromheartfailureeveryyear.Asthenumberofpeoplesufferingfromheartfailureincreasesintheworldingeneralthesefindingsareparticularlysignificant. Currenttreatmentsrelievethesymptoms.Thisnewstemcelltherapyactuallyrepairsthedamagedmuscleintheheartandhasthepotentialofcuringthedisease. Theejectionfractionrateofthepatientswithstemcellinjectionsdecreased.
WhatIsAnthrax炭疽? There’Sbeenalotoftalkaboutanthraxonthenewslately.Somepeopleareworriedthatanthraxmaybeconnectedtoterroristattacksorthatterroristsmayspreadthegermthat_____51thedisease.Federalofficialsandpoliceareinvestigatingthisandtaking______52toprotectus. Inthemeantimeit’Simportantnottopanicoveranthrax.ThechancesthatyouandyourFamily________53atriskareverytiny.Oneofthewaysyoucanfeelbetteristoleamaboutanthrax.Whenyouknowwhatitisand_____54youcangetititdoesn’tseemquiteasscary. Sowhat______55isanthrax? Herearethefactsonanthrax AnthraxisabacterialinfectioncausedbyagermAlthoughit’Smostcommoninfarm_____56likesheepCOWSpigshorsesandgoatsthere’Saverysmallchancethatpeoplecangetittoo Anthraxspores孢子aversionofthegerminaprotectiveshellthatcanliveinthesoilforyearscausethedisease.Peoplemaygetanthraxiftheyareexposedtoanthrax_____57Buthere’Stheimportantpartjustbeingexposedtothesesporesdoesn’tmeanthatapersonwillget_____58. Forapersontogetsickhewouldhavetobreatheinthousandsofthesesporesa11thewayIntohis_____59.Orhe’dhavetoeatmeatcontaminatedwithanthraxorhandle_____60thathasanthraxsporesThismaysoundscarybutevenwhenapersoncomes_____61contactwiththesporesit’Sunlikelythathe’11getsick._______62thebacteriadonotgetintotheskindigestivetractorlungthediseasewon’tdevelop. Anthraxisnotspreadfrompersontopersonthewaytheflucanspreadfromfamilymemberto______63memberorclassmatetoclassmateAnthraxcanalmostalwaysbesuccessfullytreatedwithantibiotics抗生素.Anthraxisveryrare.Untilrecentlyanthraxwasn’teventalkedaboutbecauseitwassorare-anditstill_______64!Evenwithalloftheanthraxcasesyouarehearingaboutrightnowaperson’schancesofgettinganthraxareaboutthe_____65astheywerebeforeyouheardaboutanthraxonthenews——veryverylow
第二篇Diabetes糖屎病andEyeDamage 0vet2millionCanadianshavediabetes.ItistheleadingcauseofblindnessinNorthAmericansunder65yearsofageDiabetesisaconditionwherethebodyeithercannotproduceenoughinsulin胰岛素orcannotrespondproperlytoinsulin.Insulinisimportantbecauseitmovesglucose葡萄糖asimplesugar.intothebody’Scellsfromtheblood.Thefoodpeopleeatprovidesthebodywithglucosewhichisusedbythecellsasasourceofenergy.Ifinsulinisn’tavailableordoesn’tworkcorrectlytomoveglucosefromthebloodintothecellsglucosewillstayinthebloodleadingtohighbloodsugarlevels. Highbloodsugarlevelsdamagethebloodvesselsincludingthetinybloodvesselsintheeye.Thisleadstoaneyediseaseknownasdiabeticretinopathy糖尿病型视网膜病.Theretina视网膜isanareaatthebackoftheeyethatchangeslightintonervesignals.Withdiabeticretinopathysomebloodvesselsintheretinaarelostandsomeoftheotherbloodvesselsbegintoleak’’bloodThiscausestheretinatoswell.andgraduallycutsoffitssupplyofoxygenandnutrients滋养物.Eventuallytheretinastartstogrownewbloodvesselstoreplacethedamagedones.UnfortunatelythesenewvesselsarenotasstrongastheoldonesTheyaremorelikelytobreakcausingbleedingintheeye Atfirstpeoplewithdiabeticretinopathywillnotnoticeanysymptoms.Asthediseasegetsworsetheymaynoticeblurred模糊的visionblackspotsorflashinglights.AstimegoesonitCanprogresstoblindnessEveryonewithdiabetesisatriskfordiabeticretinopathyandtheriskincreasesthelongeryou’vehaddiabetes FortunatelyyoucanreduceyourriskIfyoudonothavediabetesbutthinkyoumaybeatriskforthiscondition.visityourdoctortobescreenedfordiabetes.Ifyoud0havediabetes Havefrequenteyecheck-ups. MakesurethatyoumonitoryourbloodsugarfrequentlyanduseyourmedicationsasrecommendedbyyourdoctorThereisevidencetoshowthatkeepingyourbloodsugarundertightcontrolcanslowdowneyedamage Ifyouhavehighbloodpressurefollowyourrecommendeddietandmedicationstokeepitundercontrol.Ifyouarenotsurewhetheryouhavehighbloodpressureorwhetheryourbloodpressureisundercontroldiscussthiswithyourdoctor Withdiabeticretinopathythedamagedbloodvesselsintheretina
第二篇Diabetes糖屎病andEyeDamage 0vet2millionCanadianshavediabetes.ItistheleadingcauseofblindnessinNorthAmericansunder65yearsofageDiabetesisaconditionwherethebodyeithercannotproduceenoughinsulin胰岛素orcannotrespondproperlytoinsulin.Insulinisimportantbecauseitmovesglucose葡萄糖asimplesugar.intothebody’Scellsfromtheblood.Thefoodpeopleeatprovidesthebodywithglucosewhichisusedbythecellsasasourceofenergy.Ifinsulinisn’tavailableordoesn’tworkcorrectlytomoveglucosefromthebloodintothecellsglucosewillstayinthebloodleadingtohighbloodsugarlevels. Highbloodsugarlevelsdamagethebloodvesselsincludingthetinybloodvesselsintheeye.Thisleadstoaneyediseaseknownasdiabeticretinopathy糖尿病型视网膜病.Theretina视网膜isanareaatthebackoftheeyethatchangeslightintonervesignals.Withdiabeticretinopathysomebloodvesselsintheretinaarelostandsomeoftheotherbloodvesselsbegintoleak’’bloodThiscausestheretinatoswell.andgraduallycutsoffitssupplyofoxygenandnutrients滋养物.Eventuallytheretinastartstogrownewbloodvesselstoreplacethedamagedones.UnfortunatelythesenewvesselsarenotasstrongastheoldonesTheyaremorelikelytobreakcausingbleedingintheeye Atfirstpeoplewithdiabeticretinopathywillnotnoticeanysymptoms.Asthediseasegetsworsetheymaynoticeblurred模糊的visionblackspotsorflashinglights.AstimegoesonitCanprogresstoblindnessEveryonewithdiabetesisatriskfordiabeticretinopathyandtheriskincreasesthelongeryou’vehaddiabetes FortunatelyyoucanreduceyourriskIfyoudonothavediabetesbutthinkyoumaybeatriskforthiscondition.visityourdoctortobescreenedfordiabetes.Ifyoud0havediabetes Havefrequenteyecheck-ups. MakesurethatyoumonitoryourbloodsugarfrequentlyanduseyourmedicationsasrecommendedbyyourdoctorThereisevidencetoshowthatkeepingyourbloodsugarundertightcontrolcanslowdowneyedamage Ifyouhavehighbloodpressurefollowyourrecommendeddietandmedicationstokeepitundercontrol.Ifyouarenotsurewhetheryouhavehighbloodpressureorwhetheryourbloodpressureisundercontroldiscussthiswithyourdoctor Glucosecannotbeturnedintoenergyinthebody
WhatIsAnthrax炭疽? There’Sbeenalotoftalkaboutanthraxonthenewslately.Somepeopleareworriedthatanthraxmaybeconnectedtoterroristattacksorthatterroristsmayspreadthegermthat_____51thedisease.Federalofficialsandpoliceareinvestigatingthisandtaking______52toprotectus. Inthemeantimeit’Simportantnottopanicoveranthrax.ThechancesthatyouandyourFamily________53atriskareverytiny.Oneofthewaysyoucanfeelbetteristoleamaboutanthrax.Whenyouknowwhatitisand_____54youcangetititdoesn’tseemquiteasscary. Sowhat______55isanthrax? Herearethefactsonanthrax AnthraxisabacterialinfectioncausedbyagermAlthoughit’Smostcommoninfarm_____56likesheepCOWSpigshorsesandgoatsthere’Saverysmallchancethatpeoplecangetittoo Anthraxspores孢子aversionofthegerminaprotectiveshellthatcanliveinthesoilforyearscausethedisease.Peoplemaygetanthraxiftheyareexposedtoanthrax_____57Buthere’Stheimportantpartjustbeingexposedtothesesporesdoesn’tmeanthatapersonwillget_____58. Forapersontogetsickhewouldhavetobreatheinthousandsofthesesporesa11thewayIntohis_____59.Orhe’dhavetoeatmeatcontaminatedwithanthraxorhandle_____60thathasanthraxsporesThismaysoundscarybutevenwhenapersoncomes_____61contactwiththesporesit’Sunlikelythathe’11getsick._______62thebacteriadonotgetintotheskindigestivetractorlungthediseasewon’tdevelop. Anthraxisnotspreadfrompersontopersonthewaytheflucanspreadfromfamilymemberto______63memberorclassmatetoclassmateAnthraxcanalmostalwaysbesuccessfullytreatedwithantibiotics抗生素.Anthraxisveryrare.Untilrecentlyanthraxwasn’teventalkedaboutbecauseitwassorare-anditstill_______64!Evenwithalloftheanthraxcasesyouarehearingaboutrightnowaperson’schancesofgettinganthraxareaboutthe_____65astheywerebeforeyouheardaboutanthraxonthenews——veryverylow
StemCellTherapyMayHelpRepairtheHeart AccordingtoscientistsintheUSAstemcelltherapymayonedaybeabletorepairtheheartsofpeoplewithheartfailure.ResearchersatPittsburghUniversitySchoolofMedicineexamined20patientswhohadsevereheartfailureandweregoingtohavesurgery. TheyinjectedstemcellsintothepartsoftheirheartsthatweredamagedTheythencomparedtheirheartswiththoseofpeoplewhohadundergonesurgerywithouthavingthestemcellsinjectedintothemtheyhadalsosufferedfromsevereheartfailure.Thepatientswhohadhadthestemcellsinjectedhadheartsthatwereabletopump用泵抽运morebloodthantheothers. AccordingtoProfessorRobertKormosoneoft11eresearcherstheseresultscouldrevolutionizehearttreatment.Althoughpreviousstudieshadindicatedthattheremightbeabenefitthisisthefirststudythathasactuallyprovedthatstemcelltherapycanhelpthefailingheartworkbetter. Allthepatientsinthisstudyhadheartsthatcouldnotpumpbloodproperly.Thescientistsmeasuredtheirejectionfraction射血分数.1tisameasureofheartperformanceyoumeasurehowmuchbloodisbeingpumpedoutbytheleftventricle心室. Healthypeople’sejectionfractionisabout55%.Thesepatientshadejectionfractionofunder35%.Theya11hadby-passsurgery搭桥手术performedonthem.Someofthepatientshadstemcellstakenfromtheirhipbonesandinjectedinto25-30sitesinthedamagedheartmuscleSixmonthslatertheirejectionfractionratewas46.1%whilethosewhojusthadsurgerybutnostemcellinjectionsaveraged372%. Nosideeffectswerereposed. Heartfailureisacommonproblemallovertheworld.IntheUKaloneabout650000peoplesufferfromheartfailureeveryyear.Asthenumberofpeoplesufferingfromheartfailureincreasesintheworldingeneralthesefindingsareparticularlysignificant. Currenttreatmentsrelievethesymptoms.Thisnewstemcelltherapyactuallyrepairsthedamagedmuscleintheheartandhasthepotentialofcuringthedisease. Thecontrolgrouppatientsregrettednothavinghadstemcellinjections.
热门题库
更多
卫生类
综合类
国际货运代理师
报关水平测试
报检员
物流员(四级)
助理物流师(三级)
物流师(二级)
高级物流师(一级)
物流案例分析
单证员基础理论与知识
单证员缮制与操作
国际货运代理理论与实务
外贸综合业务
外贸外语
跟单员基础理论