2015浙江省淳安县英语一轮阅读理解选练（7）（答案）阅读理解。阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。MexicoCityistrulyoneofthemostamazingcitiesintheworldwithamixtureofboththeoldandnewworld.Fromthemomentyourplanestartstolandinthisvastcity,youknowthatyourtripwillbequiteanadventure.Onceinyourtaxiandthemomentyouleavetheairport,youareamazedatthelargeamountofslowtraffic.Thevolumeofthetrafficcanbestressfultosome.The"PaseodelaReforma(改革大道)",runningsouthwestacrossthecity,isoneofthemajortouristandbusinessareasinMexicoCitywithmanyhighqualityhotelsonlywalkingdistancefromgreatrestaurantsandothertouristattractions.Theonlyproblemyouwillhaveistryingtoseeallofthesesitesduringyourvacationtime.OneofthemostpopularattractionsinthisareaistheNationalMuseumofAnthropologyalongthenorthwestpartofthestreet.TherearethousandsofartifactsondisplayshowingthehistoryoftheareaandnumerousitemsfoundfromthemanyAztecsitesinthearea.Walkingsouthwestfromthemuseum,youwillsoonreachtheMexicoCityZoo,whichisagreatplacetospendanafternoon.AcrossthestreetfromthemuseumistheChapultepecCastle,onceanimportantsiteintheMexican-Americanwar.It'salsoagoodideatotakethetrainupthehilltowherethecastleislocatedasthehillissteep(陡峭的).It'simportanttokeepinmindthatMexicoCityisover7,000feetabovesealevelandsomefeelitdifficulttobreathewhenwalking.YoucantakeataxitotheCoyoacanmarketduringtheeveningonaweekend.It'sagreatplacetogetsomecheapsouvenirs（纪念品）tobringbackhomeandtoenjoysometraditionalMexicancuisine.However,youmustbecarefulwhereyoueatandthatthemeatiswellcooked.50.ThetouristsinMexicoCitymaynotbesatisfiedwith______.A.thehighspeedofthetrafficB.theheavytrafficofthecityC.thepollutedairinthecityD.theirsafetyinthecity51.Whichofthefollowingshowsthecorrectpositionsofthefollowingplaces?P=PaseodelaReformaM=theNationalMuseumofAnthropologyC=theChapultepecCastleZ=theMexicoCityZoo52.Whichofthefollowingattractionsmayinterestthosewhowanttostudythemilitary(ofthearmy)historyofMexicoCity?A.TheNationalMuseumofAnthropology.B.TheCoyoacanmarket.C.TheChapultepecCastle