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职称英语《综合类A级》考试教材新增2015年职称英语《综合类A级》考试教材新增第十二篇MenSmellofCheeseandWomenofOnionsLittlegirlsmaybemadeofsugarandallthingsnice,buttheirarmpitssmellofonions.______(1)That’stheconclusionofresearchinSwitzerlandthatinvolvedtakingarmpitsweatsamplesfrom24menand25womenafterhehadspenttimeinasaunaorriddenanexercisebikefor15minute.______(2)“Mensmellofcheese,andwomenofgrapefruitoronion,”saysChristianStarkenmannofFirmenich,acompanyinGenevathatresearchesflavoursandperfumesforfoodandcosmeticscompanies.Theteamfoundthatthewomen'sarmpitsweatconstrainedrelativelyhighlevelsofanodourlesssulphur-containningcompound–5milligramspermilliliterofsweatversus0.5milligramsinmen.Whentheresearchersmixedthiscompoundinthelabwithbacteriacommonlyfoundinthearmpit,thebugsturneditintoathiol-apreviouslydiscoveredodourfromarmpitsthatisakintoonion.“Themoresulphurprecursorweadded,themoreintensewasthemalodour,”saysStarkenmann,whoseteam’sresultsappearinChemicalSenses.______(3)Themen,meanwhile,hadrelativelyhighlevelsofanodourlessfattyacidwhichturnedintoacheesyodourwhenexposedtothesametypesofbacteria.Thebalanceofonionytocheesyprecursorsinwomen’ssweatmadeitsmellworsethanmen’sasratedbyindependentsmellassessors.______(4)“Wecouldmakeinhibitorsthatneutralisetheprecursors,orblockthebacterialenzymesthatdotheconversion,”saysStarkenmann.Someresearchersarescepticalthatgenderisthemaindecidingfactor,arguingthatthepatternsfoundinSwissvolunteersmightnotapplytootherpopulationswithdifferentdietsandgeneticbackground.______(5)词汇：armpitn.腋(部)malodourn.难闻的气味，恶臭grapefruitn.葡萄柚neutralizev.中和，抵消sulphurn.硫enzymen.酶thioln.硫醇注释：1.smellofonions：.....闻起来像洋葱2....isakintoonion：......近似于洋葱练习：ABacterialenzymesturntheotherwiseodourlessprecursorintothemalodour.BAndwhilefreeofslugorsnailodours,men’sarmpitspackapowerfulcheesywhiff.CMostcasesofskinodorisassociatedwithbreakdownofthecompoundsfoundinsweatbybacteriathatliveontheskin.DNest;theteamhopetodevelo
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