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ID:39755508
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页数:6页
时间:2019-07-10
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1、课时提能练(二十)Ⅰ.阅读理解A(2019·长沙检测)Wetalkaboutpeoplebeing“colourblind”butveryfewofusare.Eventhosewhodescribethemselvesascolourblindarenormallyjustcolourdeficient.Astronglycolourblindpersonwillstillbeabletotell20differentcolours,comparedtothe100orsothatnormalsightedpeoplesee.Pingelap,atinyisla
2、ndinthePacific,isabeautifulspotbutonethathasagenetictrouble.ItisknownasColourblindIslandbecausesomanypeoplewholiveonthisremoteislandcanonlyseeinblackandwhite.Notbeingabletoseeincolourisbadenough.Butoneislander,Herrol,who'safisherman,alsostrugglesinfullsunlightbecauseallheseesisapainfu
3、lburntoutimage.“Ifinditdifficulttogooutsideinthesun,”hesays,“becausewhenit'ssunnyIcannotseetodomywork.”Butifbeingtrulycolourblindisrare,whyisitthataround10%ofthepopulationofPingelapliveinatotallyblackandwhiteworld?Well,weknowthatin1780thepopulationofPingelapwasallbutwipedoutbyatsunami
4、(海啸).Asfewas20peoplesurvived,oneofwhomwastheking.It'sbelievedhehadageneticfaultthatcausescolourblindnessandhepassedthisfaultontohismanygenerations.Thereisoneadvantage.Herrolcanseewell,reallywell,inthedark.Sowhenitgetsdark,Herrolandhisfriendsgetintheirboatsandhuntflyingfish.Theyhangupf
5、lamingtorchesandtheflyingfishareattractedtotheflames.“Thistypeoffishingisfun,”Herrolsays,“especiallyifwecatchplenty.Soeventhoughit'shardworkweenjoyit.”【语篇解读】 本文是一篇说明文,主要介绍了色盲岛——Pingelap岛,以及该岛上居民色盲的原因、情况等。1.WhatisPingelapfamousas?A.Atinyisland.B.Abeautifulisland.C.Amentallytroubledisla
6、nd.D.Acolourblindisland.D [细节理解题。根据第二段第二句“ItisknownasColourblindIslandbecausesomanypeoplewholiveonthisremoteislandcanonlyseeinblackandwhite”可知,Pingelap岛因被称为色盲岛而出名,故D项正确。]2.WhatcanweinferaboutHerrol?A.Hemaystayathomewhenit'ssunny.B.Heisinterestedinburntoutimages.C.Helikestakingphotosve
7、rymuch.D.Hedoesn'tliveinPingelapanymore.A [推理判断题。根据第三段最后一句中的“Ifinditdifficulttogooutsideinthesun...becausewhenit'ssunnyIcannotseetodomywork”可知,他发现在阳光下无法看东西,所以无法工作;据此可以判断,阳光充足时他可能会待在家里面,故A项正确。]3.WhyareaboutonetenthofpeopleinPingelapcolourblind?A.BecausePingelapoftensuffersfromtsunamis.
8、B.Bec
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