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1、Module5-6Ⅰ.阅读理解A(2016·聊城一中阶段测试)导学号02280987Somethinginchocolatecouldbeusedtostopcoughsandleadtomoreeffectivemedicines,sayUKresearchers.Theirstudyfoundthattheobromine,foundincocoa,wasnearlyathirdmoreeffectiveinstoppingcoughsthancodeine,whichwasconsideredthebestcoughmedici
2、neatpresent.TheImperialCollegeLondonresearcherswhopublishedtheirresultsonlinesaidthediscoverycouldleadtomoreeffectivecoughtreatment.“Whilecoughingisnotnecessarilyharmful,itcanhaveamajoreffectonthequalityoflife,andthisdiscoverycouldbeahugestepforwardintreatingthisproblem
3、，”saidProfessorPeterBarnes.Tenhealthyvolunteersweregiventheobromine,codeineorplacebo,apillthatcontainsnomedicine,duringtheexperiment.Neitherthevolunteersnortheresearchersknewwhoreceivedwhichpill.Theresearchersthenmeasuredlevelsofcapsaicin(辣椒素),whichisusedinresearchtocau
4、secoughingandasasignofhowwellthemedicinesarestoppingcoughs.Theteamfoundthat,whenthevolunteersweregiventheobromine,thecapsaicinneedtoproduceacoughwasaroundathirdhigherthanintheplacebogroup.Whentheyweregivencodeinetheyneedonlyslightlyhigherleversofcapsaicintocauseacoughco
5、mparedwiththeplacebo.Theresearcherssaidthattheobromineworkedbykeepingdownaverveactivity(神经活动),whichcausedcoughing.Theyalsofoundthatunlikesomestandardcoughtreatments,theobrominecausednosideeffectssuchassleepiness.语篇解读：这是一篇科普性读物。选材于医学的某一方面的研究——对巧克力中theobromine(可可碱)独特的治疗咳嗽
6、的功效的对比研究，证明theobromine(可可碱)是未来有效的治疗咳嗽的良药。1．AccordingtoProfessorBarnes,theobromine________.A．cannotbeaseffectiveascodeineB．canbeharmfultopeople'shealthC．cannotbeseparatedfromchocolateD．canbeamoreeffectivecureforcoughs答案：D推理判断题。从第二段的“Theirstudyfoundthattheobromine,foundin
7、cocoa,wasnearlyathirdmoreeffectiveinstoppingcoughsthancodeine,whichwasconsideredthebestcoughmedicineatpresent.”可看出theobromine比codeine更有效，判断A项错误。既然它用来止咳，改善人们的生活质量，所以B项错误。在第一段提到了heobromine是从chocolate里提炼出来的，所以C项错误。故正确答案是D项。2．Whatwasusedintheexperimenttocausecoughing?A．Theo
8、bromine.B．Codeine.C．Capsaicin.D．Placebo.答案：C细节理解题。A、B、D三项中的物品是用来做实验的物品。在文章第四段最后一句“Theresearchersthenmeasuredle
