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1、选修8 Unit4 Pygmalion李仕才一、阅读理解AAccordingtoateamofresearchers,ananimal'sabilitytoperceive(感知)timeislinkedtotheirpaceoflife.“Ourresultslendsupporttotheimportanceoftimeperceptioninanimalswheretheabilitytoperceivetimeinaveryshorttimemaybethedifferencebetweenlifeanddeathforfastmovingcreat
2、ures，”commentedtheleadauthorKevinHealyfromTrinityCollegeDublin.Thestudywasdonewithavarietyofanimalsusingaphenomenonbasedonthemaximumspeedofflashesoflightanindividualcanseebeforethelightsourceisseenasconstant.Dogs,forexample,haveeyeswitharefreshratehigherthanhumans.Oneexampleofthisp
3、henomenonatwork,theauthorssay,isthehouseflyanditsabilitytoavoidbeinghit.Theresearchshowsfliesobservemotioninashortertimethanourowneyescanachieve,whichallowsthemtoavoidbeinghit.ProfessorGraemeRuxtonoftheUniversityofStAndrewsinScotland,whoworkedjointlyontheresearchproject,saidinastat
4、ement,“Havingeyesthatsendupdatestothebrainatmuchhigherfrequenciesthanoureyesdoisofnovalueifthebraincannotprocessthatinformationequallyquickly,Thus,thisworkhighlightstheimpressiveabilitiesofeventhesmallestanimalbrains.Fliesmightnotbedeepthinkers,buttheycanmakegooddecisionsveryquickl
5、y.”Incomparison,thetigerbeetle(虎甲虫)runsfasterthanitseyescankeepup,basicallybecomingblind,whichrequiresittostopperiodicallytoreevaluateitsprey's(猎物)position.Ourresultssuggestthattimeperceptionoffersanasyetunstudieddimensioninwhichanimalscanspecializeandthereisaconsiderablerangetostu
6、dythissysteminmoredetail.【文章大意】 本文是一篇科普说明文。研究发现，动物感知时间的能力和它们的生活节奏有关，对于快速移动的动物来说，在短时间内感知时间的能力决定着它们的生死。文章列举了家蝇、狗和虎甲虫等动物，证明了动物感知时间的能力的重要性。1.Whatistheresearchmentionedinthepassagemainlyabout?A．Paceoflifeofanimals.B．Timeperceptionofanimals.C．Lifetimeofsmallanimals.D．Impressiveabilitieso
7、fanimals.答案与解析：B'考查主旨大意。通读全文可知，“Accordingtoateamofresearchers,ananimal'sabilitytoperceive(感知)timeislinkedtotheirpaceoflife.”为本文的主题句；结合下文内容可知，本文主要介绍了一项研究发现：动物感知时间的能力和它们的生活节奏有关，故B项正确。2.WhatdoesKevinHealy'scommentmeaninPara.2?A．Theabilityofanimalstoperceivetimedependsontheirhighmoving
8、speed.B．Thesurvivaloffastm
