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1、Anewcoronavirus,acousinoftheSARSvirus,hasinfectedmorethan10000peoplesincetheoutbreakbeganinWuhan,China,inDecember.ScientistLeoPoon,whofirstdecodedthevirus,thinksitlikelystartedinananimalandspreadtohumans."Whatweknowisthatitcausespneumonia(肺炎)andthendoesn'trespondtoantibiotic(抗生素)treatment,w
2、hichisnotsurprising,butthenintermsofmortality(死亡率),SARSkills10%oftheindividuals,"Poon,avirologist(病毒學(xué)家)attheSchoolofPublicHealthatTheUniversityofHongKong,said.TheWorldHealthOrganizationofferedguidancetocountriesonhowtheycanprepareforit,includinghowtomonitorforthesickandhowtotreatpatients.Herear
3、eseventhingsyoushouldknowaboutacoronavirus.Coronavirusesarealargegroupofvirusesthatarecommonamonganimals.Inrarecases,theyarewhatscientistsCallzoonoticzntk(人畜共患病),meaningtheycanbetransmittedfromanimalstohumans,accordingtotheUSCentersforDiseaseControlandPrevention.Thevirusescanmakepeoplesick,usuallywi
4、thamildtomoderateupperrespiratorytractillness(上呼吸道疾?。?similartoacommoncold.Coronavirussymptomsincludearunnynose,cough,sorethroat,possiblyaheadacheandmaybeafever,whichcanlastforacoupleofdays.Forthosewithaweakenedimmunesystem,theelderlyandtheveryyoung,there'sachancetheviruscouldcausealower,andmuch
5、moreserious,respiratorytractillnesslikeapneumoniaorbronchitisbrkats(支氣管炎).Thereareahandfulofhumancoronavirusesthatareknowntobedeadly.MiddleEastRespiratorySyndrome(中東呼吸綜合征),alsoknownastheMERSvirus,wasfirstreportedintheMiddleEastin2012andalsocausesrespiratoryproblems,butthosesymptomsaremuchmoresevere.
6、Threetofouroutofevery10patientsinfectedwithMERSdied,accordingtotheCDC.SevereAcuteRespiratorySyndrome(嚴(yán)重急性呼吸綜合征),alsoknownasSARS,istheothercoronavirusthatcancausemoreseveresymptoms.FirstidentifiedintheGuangdongprovinceinsouthernChina,accordingtotheWHO,itcausesrespiratoryproblemsbutcanalsocausediarrhe
7、adari(腹瀉),fatigue(疲勞),shortnessofbreath,respiratorydistress(呼吸窘迫)andkidneyfailure(腎衰.Dependingonthepatient'sage,thedeathratewithSARSrangedfrom0-50%ofthecases,witholderpeoplebeingthemostvulnerable(易受傷害的).Virusescanspreadfromhumancontactwithanimals.ScientiststhinkMERSstartedincamels,accordingtothe
8、WHO.WithSARS,scientistssuspectedcivetcats(貍貓)weretoblame.Whenitcomestohuman-to-humantransmissionoftheviruses,oftenithappenswhensomeonecomesintocontactwiththeinfectedperson'ssecretionsskri()n(分泌物).Dependingonhowvirulentvrlnt(有毒的)thevirusis,acough,sneezeorhandshakecouldcauseexposure.Theviruscanals
9、obetransmittedbytouchingsomethinganinfectedpersonhastouchedandthentouchingyourmouth,noseoreyes.Caregivers(護(hù)理人員)cansometimesbeexposedbyhandlingapatient'swaste,accordingtotheCDC.1. Whichofthefollowingcanexplaintheunderlinedwordinparagraph1?A. tofindordiscoversth.B. oacodeC. tochangesth
10、.intoordinarylanguageD. oaformthatcanbeprocessed2. WhatarethesymptomsofthenovelCoronavirus?A. muchmoresevereupperrespiratorytractillnessB. arunnynose,cough,sorethroat,possiblyaheadacheandmaybeafeverC. diarrhea,fatigue,shortnessofbreath,respiratorydistressandkidneyfailure(腎衰)D. amildtomoderateupperrespiratorytractillness,similartoacommoncold.3. HowdotheVirusesspread?A. Virusescanspreadfromhumancontactwithanimals.B. thevirusescantransmitfromhum
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