欢迎来到天天文库
浏览记录
ID:35760254
大小:38.06 KB
页数:8页
时间:2019-04-16
《2019版高考英语一轮巩固达标练unit2theunitedkingdom(含解析)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、TheUnitedKingdom李仕才一、阅读理解。Accordingtoateamofresearchers,ananimal’sabilitytoperceive(感知)timeislinkedtotheirpaceoflife.“Ourresultslendsupporttotheimportanceoftimeperceptioninanimalswheretheabilitytoperceivetimeinaveryshorttimemaybethedifferencebetweenlifeanddeathforfastm
2、ovingcreatures,”commentedtheleadauthorKevinHealyfromTrinityCollegeDublin.Thestudywasdonewithavarietyofanimalsusingaphenomenonbasedonthemaximumspeedofflashesoflightanindividualcanseebeforethelightsourceisseenasconstant.Dogs,forexample,haveeyeswitharefreshratehigherthanh
3、umans.Oneexampleofthisphenomenonatwork,theauthorssay,isthehouseflyanditsabilitytoavoidbeinghit.Theresearchshowsfliesobservemotioninashortertimethanourowneyescanachieve,whichallowsthemtoavoidbeinghit.ProfessorGraemeRuxtonoftheUniversityofStAndrewsinScotland,whoworkedjoi
4、ntlyontheresearchproject,saidinastatement,“Havingeyesthatsendupdatestothebrainatmuchhigherfrequenciesthanoureyesdoisofnovalueifthebraincannotprocessthatinformationequallyquickly.Thus,thisworkhighlightstheimpressiveabilitiesofeventhesmallestanimalbrains.Fliesmightnotbed
5、eepthinkers,buttheycanmakegooddecisionsveryquickly.”Incomparison,thetigerbeetle(虎甲虫)runsfasterthanitseyescankeepup,basicallybecomingblind,whichrequiresittostopperiodicallytoreevaluateitsprey’s(猎物)position.Ourresultssuggestthattimeperceptionoffersanasyetunstudieddimensi
6、oninwhichanimalscanspecializeandthereisaconsiderablerangetostudythissysteminmoredetail.【解题导语】 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.Paceoflifeofanimal
7、s.B.Timeperceptionofanimals.C.Lifetimeofsmallanimals.D.Impressiveabilitiesofanimals.B 解析:主旨大意题。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.WhatdoesKevinHe
8、aly’scommentmeaninPara.2?A.Theabilityofanimalstoperceivetimedependsontheirhighmovingspeed.B.Thesurvivaloffastmovingan
此文档下载收益归作者所有