2017年12月六級仔細(xì)閱讀真題及解析(卷二)

1、PassageOneQuestions46to50arebasedonthefollowingpassage.YoumayhaveheardthatCocaColaoncecontainedaningredientcapableofsparkingparticulardevotioninconsumers:cocaine.The“coca”inthenamereferredtotheextractsofcocaleafthatthedr

2、inksiginatchemistJohnPembertonmixedwithhissugarysyrup(姜汁).Atthetimecocaleafextractmixedwithwinewasacommontonic(滋補(bǔ)品)Pemberton’ssweetbrewwasawaytogetaroundlocallawsprohibitingthesaleofalcohol.Buttheotherhalfofthenamerepres

3、entsanotheringredient，lessinfamous(名聲不好的)perhapsbutalsostrangelypotent:thekolanut.InWestAfricapeoplehavelongchewedkolanutsasstimulantsbecausetheycontaincaffeinethatalsooccursnaturallyinteacoffeechocolate.Theyalsohavehear

4、tstimulants.HistianPaulLovejoyrelatesthatthecultivationofkolanutsinWestAfricaishundredsofyearsold.Theleafyspreadingtreeswereplantedongravesaspartoftraditionalrituals.Eventhoughthenutswhichneedtostaymoistcanbesomewhatdeli

5、catetotranspttraderscarriedthemhundredsofmilesthroughoutthefestsgrassls.Europeansdidnotknowofthemuntilthe1500swhenPtugueseshipsarrivedonthecoastofwhatisnowSierraLeone.whilethePtuguesetookpartinthetradeferryingnutsdownthe

6、coastalongwithothergoodsby1620whenEnglishexplerRidJobsonmadehiswayuptheGambiathenutswerestillpeculiartohiseyes.Bythelate19thcenturykolanutswerebeingshippedbythetonnetoEuropetheUS.Manymadetheirwayintomedicinesintendedasak

7、indofenergyboost.OnesuchpopularmedicinaldrinkwasVinMarianiaFrenchproductconsistingofcocaextractmixedwithredwine.ItwascreatedbyaFrenchchemistAngeloMarianiin1863.SowhenPembertoncreatedhisdrinkitrepresentedanongoingtrend.Wh

8、encocaineeventuallyfellfromgraceasabeverageingredientkolaextractcolasbecamepopular.ThefirstyearitwasavailableCocaColaaveragednineservingsadayacrossalltheAtlantasodafountainswhereitwassold.Asitgrewmepopularthecompanysoldr

9、ightstobottlethesodasoitcouldtraveleasily.Todayabout1.9billionCokes售，不料引起了消費者普遍憤慨?！敖?jīng)典可口可樂”在“新可樂”發(fā)布后的三個月后重新回到貨架上。直到現(xiàn)在，可口可樂的配方仍是一個嚴(yán)格保守的秘密。據(jù)說它不再含有古柯提取物，而是依靠人造的仿制品來達(dá)到相同的口味。46.WhatdowelearnaboutchemistJohnPembertonA)Heusedast

10、rangelypotentingredientinafoodsupplement.B)Hecreatedadrinkcontainingalcoholwithoutbreakinglaw.C)Hebecamenotiousbecauseofthecocadrinkhedeveloped.D)Heriskedbreakinglocallawtomakeadrinkwithcocaleaves.【答案詳解】答案是A。由第一自然段最后一句“B

11、uttheotherhalfofthenamerepresentsanotheringredient，lessinfamousperhapsbutalsostrangelypotent:thekolanut”我們可以得知“cola”代表另一種成分——可樂果：盡管名聲不太好，但非常給力。很多同學(xué)首先就把A排除，理由是可口可樂不屬于食品（food）的范疇。食品定義是“可供人類食用或飲用的物質(zhì)”，飲料當(dāng)然也屬于廣義的食品。做閱讀理解，幾個選項

12、一定要仔細(xì)比較、揣摩。【干擾分析】B、D選項具有很大的迷惑性。C選項很容易排除。由第一自然段第三句“Pemberton’ssweetbrewwasawaytogetaroundlocallawsprohibitingthesaleofalcohol”我們可以得知：當(dāng)?shù)胤山钩鍪酆凭嬃希聿D的甜飲則避開了該法律。換言之，可口可樂是不含酒精的，他本人也沒有冒違反法律的風(fēng)險。故可排除B、D選項。C選項“變得聲名狼藉（becamenot

13、ious）”很容易排除，因為文章中提到聲名狼藉的是可樂果，而不是彭伯頓。47.WhatdoesthepassagesayaboutkolanutsA)TheircommercialvaluewasfirstdiscoveredbyPtuguesesettlers.B)Theycontainsomekindofenergyboostnotfoundinanyotherfood.C)ManywereshippedtoEuropeinthel