2019-2020年高考英语一轮复习 Module 5-6 Ethnic Culture & The World’s Cultural Heritage练习 外研版选修7

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1、2019-2020年高考英语一轮复习Module5-6EthnicCulture&TheWorld’sCulturalHeritage练习外研版选修7Ⅰ.阅读理解(xx·聊城一中阶段测试)导学号02280987Somethinginchocolatecouldbeusedtostopcoughsandleadtomoreeffectivemedicines,sayUKresearchers.Theirstudyfoundthattheobromine,foundincocoa,wasnearlyathirdmoreeffective

2、instoppingcoughsthancodeine,whichwasconsideredthebestcoughmedicineatpresent.TheImperialCollegeLondonresearcherswhopublishedtheirresultsonlinesaidthediscoverycouldleadtomoreeffectivecoughtreatment.“Whilecoughingisnotnecessarilyharmful,itcanhaveamajoreffectonthequalityof

3、life,andthisdiscoverycouldbeahugestepforwardintreatingthisproblem，”saidProfessorPeterBarnes.Tenhealthyvolunteersweregiventheobromine,codeineorplacebo,apillthatcontainsnomedicine,duringtheexperiment.Neitherthevolunteersnortheresearchersknewwhoreceivedwhichpill.Theresear

4、chersthenmeasuredlevelsofcapsaicin(辣椒素),whichisusedinresearchtocausecoughingandasasignofhowwellthemedicinesarestoppingcoughs.Theteamfoundthat,whenthevolunteersweregiventheobromine,thecapsaicinneedtoproduceacoughwasaroundathirdhigherthanintheplacebogroup.Whentheyweregiv

5、encodeinetheyneedonlyslightlyhigherleversofcapsaicintocauseacoughparedwiththeplacebo.Theresearcherssaidthattheobromineworkedbykeepingdownaverveactivity(神经活动),whichcausedcoughing.Theyalsofoundthatunlikesomestandardcoughtreatments,theobrominecausednosideeffectssuchasslee

6、piness.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．canbeamoreeffectivec

7、ureforcoughs答案：D推理判断题。从第二段的“Theirstudyfoundthattheobromine,foundincocoa,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

8、，所以C项错误。故正确答案是D项。2．Whatwasusedintheexperimenttocausecoughing?A．Theobromine.B．Codeine.C．Capsaicin.D．Placebo.答案：C细节理解题。