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职称英语考试理工C阅读真题模拟训练2017年职称英语考试理工C阅读真题模拟训练爱因斯坦说,学习知识要善于思考,思考,再思考。我就是靠这个方法成为科学家的`。以下是小编为大家搜索整理的2017年职称英语考试理工C阅读真题训练,希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!第4部分:阅读理解(第31——45题,每题3分,共45分)下面有3篇短文,每篇短文后有5道题。请根据短文内容,为每题确定1个最佳选项。第一篇Canyouhearthis?Whensomethingcreatesasoundwaveinaroomoranauditorium(礼堂)listenershearthesoundwavedirectlyfromthesource.Theyalsohearthereflectionsasthesoundbouncesoffthewalls,floor,andceiling.Thesearecalledthereflectedwaveorreverberant(反射的)sound,whichcanbeheardevenafterthesoundisnolongercomingfromthesource.Thereverberationtimeofanauditoriumisdeterminedbythevolumeorinteriorsizeoftheauditorium.Itisalsodeterminedbyhowwellorhowpoorlythewalls,ceiling,floor,andcontentsoftheroom(includingthepeople)absorbsound.Thereisnoidealreverberationtime.Thefull-soundperformanceofmusicsuchasWagneroperasorMahlersymphoniesshouldhavealongreverberationtime.Thelight,rapidmusicalpassagesofBachorMozartneedareverberationtimesomewherebetween.Acousticproblemsoftenarecausedbypoorauditoriumdesign.Smooth,curved(弯曲的)reflectingsurfacescreatelargereflections.Parallel(平行的)wallsreflectsoundbackandforth,creatingarapid,repetitivepulsing(有节奏的跳动)effect.Largepillars(柱)andcornerscancauseacousticshadowsasthesoundwavestrytopassaroundtheobject.Someoftheseproblemscanbesolvedbyusingabsorbersandrelectorstochangethereverberationtimeofaroom.Forexample,hanginglargereflectors,calledclouds,overtheperformerswillallowsomesoundfrequenciestoreflectandotherstopassyoachieveapleasingmixtureofsound.1.ThisPassageismainlyaboutAsoundwavesandtheiracousticeffect.BthetypesofmusicorchestrasplayCwallsofanauditoriumDthedesignofanauditorium2.WagneroperasandMahlersymphoniessoundfullerinanauditoriumwithAashortreverberationtimeBalongreverberationtimeCanintermediatereverberationtimeDnoreverberationtime3.ThispassagesuggeststhatagoodauditoriumshouldAachieveapleasingmixtureofsoundBgetridofallreflectionsCnothaveabsorbers.Dhavesmoothsurfaces4.LargepillarsandcornersmayAmakesoundrichandfullBbecuresfors