【二轮专题练】（二）七选五专项AEverythingYouNeedtoKnowAboutCoronavirusThespreadofChina’scoronavirusmayhavestartedwithsomethingsimple—apersonbuyingfoodfordinneratanoutdoormarket.Thepotencyandmovementofthevirushasralliedthecooperationofvariousagencies,includingtheUSCentersforDiseaseControlandPreventionandWorldHealthOrganization,1.WhatistheWuhancoronavirus?Theinfectionnumbersarestartling:SinceJan.20,casesworldwidehavesurgedfrom282to9,925.Thedeathtollstandsat213,accordingtoChineseofficials.Thecurrentcoronavirusdoesn’thaveanofficialnameyet.2.3?Outbreakslikethishavehappenedbefore,mostnotablywithSARSin2003andMERSin2015.4.Inall,8,098SARScaseswererecorded,withadeathtollof774.That’safatalityrateof9.6%.MERS,MiddleEastRespiratorySyndrome,originatedinSaudiArabiaandresultedin2,499casesand861deaths,givingitahigherfatalityrateof34.5%.Withcurrentnumbers,thefatalityratefor2019-nCoVis2.4%.TheWHOsaidmostcoronaviruscasesreportedtodate“havebeenmilder,withabout20%ofthoseinfectedexperiencingsevereillness.”Arepeoplequarantined(隔离)?5.Anestimated56millionpeopleinthecountryareaffectedbylock-downs.Wuhanhasbeenthehardesthit.Airportsandrailwaystationsareclosedandpublictransportationhalted.Privatevehiclesarebanned.Residentswearfacemaskstoprotectagainstinfection.Whileanew,1,000-bedhospitalisunderconstruction,thereareshortagesofmedicine,protectivemasksandothersupplies.A.whichclosedacityof11million,leapedacrosscontinentsandraisedpandemicfearsB.whichdeclaredtheWuhancoronavirusoutbreaka“publichealthemergencyofinternationalconcern”onThursdayC.HowdoescoronaviruscomparetoSARS,MERSandthecommonfluD.IsthevirusjustaproblemforChinaE.Asinfectionnumbersrise,ChinahasorderedresidentsinnearlyadozencitiestostaywheretheyareF.SARS,SevereAcuteRespiratorySyndrome,iscommonlyusedasareferenceincoronaviruscoverage,sincebothoriginatedinChinaandsharecharacteristicsG.Thecurrentdesignationis“2019-nCoV”,with“2019”foryearofdiscovery,“n”fornovel(meaningnew)and“CoV”forcoronavirusBIntoday’sfastpacedandsometimesuncaringsociety,itcanbechallengingtofindanythingtoliftyourspiritswhenyoufeelsad.Inspiteofhowbadthingsmayappear,therearesomethingsyoucandotogethappyandenjoyyourday.1Getyourselfanattitudeofgratitude.Forcenturies,peopleovertheworldhaverecognizedhowpowerfulgratitudeiswhenitcomestoliftingone’sspirits.Frequentlywearesocaughtupinwhatwelackthatwefailtorecognizeallthatwepossess.Often,weareonlyremindedoftheblessingspresentinourworldwhenwemeetsomeoneworseoffthanweareorwhenthoseblessingsarenolongerareality.2Keepalistofthingsforwhichyouaregrateful—incaseyouneedtojogyourmemory.Brightensomeone’sday.Itmaybeyouwhoarefeelingtheblues,butwhenyoubrightensomeoneelse’sday,yoursautomaticallybecomesbrighter.Smilesspreadeasily.3Getsomefreshair.Freshairrefreshesthesensesandmakesyoumorelikelytogetupanddosomethingratherthansitthereinanunpleasantmood.4Evenjustwalkinginyourflowerorvegetablegardenwilldothetrick.5Becausetheheartrateandbreathingrateincreaseduringexercise,agreateramountofoxygenisdeliveredtothebodytissue.Inadditiontorelievingstress,heightenedphysicalactivitywilldecreasethelevelofthestresshormone(荷尔蒙).Assuch,yourmoodcanquicklychangefromastateofstresstooneofjoyfulness.A.Getsomeexercise.B.Bethankfulforwhatyouhave.C.Herearesomegreatwaystoliftyourspirits.D.Goforawalkwithafriendortakeabikeride.E.Dowhatyoucantostartanoutbreakofhap...
