【二轮专题练】(一)阅读理解专项AWheredidnovelcoronaviruscomefrom?ASCOVID-19spreadsthroughoutChinaandtherestoftheworld,animportantquestionhasyettobeanswered:wheredidtheviruscomefrom?Thelateststudyindicatedthatpangolins(穿山甲)maybeanintermediatehostofthevirus,accordingtoXinhua.However,batsaresuspectedtobetheoriginalcause.Wedon’tknowthesourceyet,butthere’sprettystrongevidencethatthisisabatorigincoronavirus,”saidPeterDazsak,presidentofEcoHealthAlliance,anenvironmentalnonprofit,accordingtoTheNewYorkTimes.“Whenyoulookatthegeneticsequence(基因序列)ofthevirus,andyoumatchitupwitheveryknowncoronavirus,theclosestrelativesarefrombats,”DazsakalsotoldCNN.Sowhyarebatsthesourceofsomanydeadlykindsofvirusesbuttheydon’tsufferfromanysymptoms?Astheonlyflyingmammal(哺乳动物)withlonglifespan,bats’bodytemperatureishigh,similartoafever.It’sthisfactthatmaycontributetobats’uniqueimmunesystem(免疫系统)inprotectingthemfromtheilleffectsofviruses.Butarebatstrulytoblameforthevirusorshouldwebeblamingourselves?Whetherwedestroytheforestswherebatsliveortheyenduponourplate,it’sthefaultofhumansfordecreasingthedistancebetweenusandvirus-carryingbats.Batsareanimportantanimalinourecosystemwhenitcomestopollinating(授粉)manyfruitssuchasmangoesandbananas.Weneedtoallowthemtocontinuepollinationandkeepthemawayfromourmarketsandmouths.1.WhatcanwelearnabouttheoriginofCOVID-19?A.Batshavebeenconfirmedtobeitsoriginalcause.B.Pangolinsarenowconsideredthemostlikelysource.C.It’sidentifiedbycomparingsourcesofvariousviruses.D.Theviruswasfoundtobegeneticallysimilartothoseseeninbats.2.Whydon’tbatssufferfromthecoronavirus?A.Batshaveauniqueimmunesystem.B.Theirlowbodytemperatureprotectsthem.C.Batsaretheonlyflyingmammaltoliveingroups.D.Livingincaveshelpsbatsfightagainstviruses.3.Whatisthemainpointtheauthormakesinthelastparagraph?A.Virus-carryingbatsshouldbekilled.B.Humansshouldstayawayfrombats.C.Batsbenefitbutalsoharmourecosystem.D.Batscouldspreadvirusesduringpollination.BWhereisitpossibletodrivefromRometoMoscow,Madrid,Paris,Vienna,andStockholmwithoutgoingtoEurope?TheanswerisinthestateofMaine!ThroughouttheUnitedStatestherearemanytownsandcitiesthathavebeennamedafternotonlyEuropeancitiesbutothercountriesaswell,suchasChina,Poland,Norway,Sweden,andDenmark.JusthowmanyNewWorldplacenamesarerecycledfromtheOldWorldnameshasneverbeentallied,butoneresearcherfoundforty-oneLondons,fifty-sixBerlins,twenty-fourDublins,thirty-twoAthenses,andtwenty-sevenMoscows,amongothers!ReasonsforEuropeanplacenamesdiffer.Somewereinmemoryofsettlers’formerhomes,othersinhonorofhistoricevents.Foundedin1818byJohnCoffee,RobertBeaty,JohnD.Carroll,andJohnRead,AthensisoneoftheoldestincorporatedcitiesintheStateofAlabama.ThetownwasfirstcalledAthenson,andthenamewasthenshortenedtoAthens,aftertheancientcityinGreece.Moreinterestingly,somenamesweregivenbymistake.Forinstance,thepeopleofMoscow,Kansas,wantedtheircitytofollowthenameoftheexplorerMoscoso.TheyshortenedhisnametoMosco,andanofficialinWashington,thinkingtheKansanscouldn’tspell,addeda‘w’.1.Whichofthefollowingistrueaccordingtothepassage?A.InthestateofMainetherearemanydifferentEuropeancities.B.YoucandrivetomanyEuropeancitiesfromthestateofMaine.C.AllthesettlersinthestateofMainecamefromEurope.D.ThestateofMainehasmanycitiesnamedafterEuropeancities.2.Theunderlinedword“tallied”inParagraph2isclosestinmeaningto“___...