合适初中朗读的英语文章浏览-精品文档.docx
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1、合适初中朗读的英语文章浏览合适初中朗读的英语文章浏览今天我为大家准备的是初中英语朗读文章,大家天天早上起来朗读一篇文章来保持本人的语感对学习英语来讲是非常重要的哦。下面是学习啦我带来的英语文章,欢迎浏览!合适初中朗读的英语文章:Vision视觉Humanvisionlikethatofotherprimateshasevolvedinanarborealenvironment.Inthedensecomplexworldofatropicalforest,itismoreimportanttoseewellthantodevelopanacutesenseofsmell.Inthecourse
2、ofevolutionmembersoftheprimatelinehaveacquiredlargeeyeswhilethesnouthasshrunktogivetheeyeanunimpededview.人类的视觉,和其它灵长目动物的一样,是在丛林环境中进化出来的。在稠密、复杂的热带丛林里,好的视觉比灵敏的嗅觉愈加重要。在进化经过中,灵长目动物的眼睛变大,同时鼻子变小以使视野不受阻碍。Ofmammalsonlyhumansandsomeprimatesenjoycolorvision.Theredflagisblacktothebull.Horsesliveinamonochromewo
3、rld.Lightvisibletohumaneyeshoweveroccupiesonlyaverynarrowbandinthewholeelectromagneticspectrum.Ultravioletraysareinvisibletohumansthoughantsandhoneybeesaresensitivetothem.Humanshavenodirectperceptionofinfraredraysunliketherattlesnakewhichhasreceptorstunedintowavelengthslongerthan0.7micron.Theworldwo
4、uldlookeerilydifferentifhumaneyesweresensitivetoinfraredradiation.Theninsteadofthedarknessofnight,wewouldbeabletomoveeasilyinastrangeshadowlessworldwhereobjectsglowedwithvaryingdegreesofintensity.在哺乳类动物中,只要人和一些灵长目动物能够分辨颜色。红旗在公牛看来是黑色的,马则生活在一个单色的世界里。然而,人眼可见的光在整个光谱中只占一个非常狭窄的频段。人是看不到紫外线的,尽管蚂蚁和蜜蜂能够感觉到。与响
5、尾蛇不同,人也不能直接感遭到红外线。响尾蛇的感觉器能够感受波长超过0.7微米的光线。假如人能感遭到红外线的话,这世界看上去将特别不同,而且恐惧。到那时,将与夜的黑暗相反,我们能轻易地在一个奇异的没有阴影的世界里走动。任何物体都强弱不等地闪着光。Buthumaneyesexcelinotherways.Theyareinfactremarkablydiscerningincolorgradation.Thecolorsensitivityofnormalhumanvisionisrarelysurpassedevenbysophisticatedtechnicaldevices.然而,人眼在其它
6、方面有优越之处。事实上,人眼对颜色梯度具有非凡的分辨能力。普通人类的视觉感受色彩的灵敏程度,甚至连精细的技术装备都很难超越。合适初中朗读的英语文章:假设再回到童年IfIwereaboyagain,Iwouldpracticeperseverancemoreoften,andnevergiveupathingbecauseitwasorinconvenient.Ifwewantlight,wemustconquerdarkness.Perseverancecansometimesequalgeniusinitsresults.Thereareonlytwocreatures,saysaprove
7、rb,whocansurmountthepyramids-theeagleandthesnail.IfIwereaboyagain,Iwouldschoolmyselfintoahabitofattention;Iwouldletnothingcomebetweenmeandthesubjectinhand.Iwouldrememberthatagoodskaternevertriestoskateintwodirectionsatonce.Thehabitofattentionbecomespartofourlife,ifwebeganearlyenough.Ioftenheargrownu
8、ppeoplesayIcouldnotfixmyattentiononthesermonorbook,althoughIwishedtodoso,andthereasonis,thehabitwasnotformedinyouth.IfIweretolivemylifeoveragain,Iwouldpaymoreattentiontothecultivationofthememory.Iwouldstrengthenthatfacultybyeverypossiblemeans,andoneverypossibleoccasion.Ittakesalittlehardworkatfirstt
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