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1、Unit2Englisharoundtheworld***阅读理解ThefirstpotatoesweregrownbytheIncasofSouthAmerica,morethan400yearsago.Theirdescendants(后代)inEcuadorandChilecontinuetogrowthevegetableashighas14，000feetupintheAndesMountains.(That’shigherthananyotherfoodwillgrow.)EarlySpanishandEngli
2、shexplorersshippedpotatoestoEurope,andtheyfoundtheirwaytoNorthAmericaintheearly1600s.Peopleeatpotatoesinmanyways—baked,mashed,androasted,tonamejustthree.However,intheUnitedStatesmostpotatoesareeatenintheformofFrenchfries.Onefastfoodchainalonesellsmorethan$1billionw
3、orthoffrieseachyear.Nowonder,then,thatthepanypaysparticularattentiontothewayitsfriesareprepared.Beforeanyfrymakesittothepeoplewhoeatatthesepopularrestaurants，itmustpassmanyseparatetests.Failanyoneofthesetestsandthepotatoisrejected.Tostartwith,onlyRussetBurbankpotat
4、oesareused.TheseIdahopotatoeshavelesswatercontentthanotherkinds,whichcanhaveasmuchas80percentwater.Oncecutinto“shoestrings”shapes，thepotatoesarepartlyfriedinasecretblendofoils,sprayedwithliquidsugartobrownthem,steamdriedathighheat,thenflashfrozenforshipmenttoindivi
5、dualrestaurants.Beforeshipping，everyshoestringismeasured.Fortypercentofabatchmustbebetweentwoandthreeincheslong.Another40percenthastobeoverthreeinches.Whataboutthe20percentthatareleftinthebatch?Well,afewshortfriesinabagareokay，itseems.So，nowthatyourealizetheenormou
6、ssizeandvalueofthepotatocrop,youcanunderstandwhymostpeopleagreethatthispartofthefoodindustryisno“smallpotatoes”．【解题导语】 本文介绍了土豆被引进美国的历史及炸薯条在美国食物产业中举足轻重的地位。1．PotatoesinNorthAmericacamedirectlyfrom．A．Chile B．EuropeC．EcuadorD．theAndesMountainsB 解析：细节理解题。根据文中第一段最后一
7、句可知，北美最早的土豆来自欧洲。故选B项。2．Whydoesthepanypayspecialattentiontothewaythefriesareprepared?A．Becausesellingfriesisabigbusiness.B．Becausefriesarenoteasytoprepareatall.C．BecauseAmericansareparticularaboutfries.D．Becausethegovernmenthasastrictruleforthat.A 解析：推理判断题。根据第二段的One
8、fastfoodchainalonesellsmorethan$1billionworthoffrieseachyear.Nowonder,then,thatthepanypaysparticularattentiontothewayitsfriesareprepared.可知，在美国，炸
