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广安市中考英语阅读理解编习题

发布时间：2023-03-16 16:22:18 来源：文档文库

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伏龙初中2019中考英语阅读理解编习题（三）附答案
【能力选练】A（2019中考保健与健康类选练）
Spendingtwoorthreehoursplayingoutdoorseachdaycanreducethechanceofbecomingshort-sighted,aresearchshows.Itchallengesthebelief(信念thatshort-sightednessiscausedbycomputeruse,watchingTVorreadinginweaklight.TheAustraliangovernmentresearchersbelievethatthesunlightisgoodforpeople’seyes.Theycomparedthevision(视力andhabitsof100seven-year-oldchildreninSingaporeandAustralia.Inall,30%oftheSingaporeanchildrenwereshort-sighted—thisrate(比率wastentimeshigherthanAustralianchildren.Bothgroupsspendasimilaramount(数量oftimereading,watchingtelevisionandplayingcomputergames.HowevertheSingaporeanchildrenspentanaverage(平均ofonlyhalfanhouradayoutdoors—90minuteslessthantheAustralianchildren.ProfessorIanMorgan,fromtheAustralianResearchCouncil’svisionCentre,said,“Humansarenaturallylong-sighted,butwhenpeoplebegintogotoschoolandspendlittleornotimeoutdoors,thenumberofshort-sightedpeoplegetslarger.We’realsoseeingmoreandmoreshort-sightedchildrenincitiesallaroundtheworldandthemainreasonmaybethatcitychildrenspendlesstimeoutdoors.Daylightcanbehundredsoftimesbrighterthanindoorlight.Butwhydoesplayingoutsidepreventusfrombecomingshort-sighted?Scientistsbelievethatnaturallighthasaspecialchemical(化学物质whichstopstheeyeballfromgrowingoutofshapeandpreventspeoplefrombecomingshort-sighted.Sobeoutdoors.Itdoesn’tmatterifthattimeisspenthavingapicnicorhavingsports.1.
HowmuchtimedidtheAustralianchildrenspendoutdoorsonaverage
1
accordingtothe
research?A.30minutes.B.60minutes.C.90minutes.D.120minutes.2.
WhichofthefollowingisTRUEaccordingtothepassage?A.Ifpeoplespendlesstimeoutdoorstheywillcertainlybecomeshort-sighted.B.Therearefewershort-sightedSingaporeanChildrenthanAustralianchildrenbecause
theyhavemoreknowledgeofprotectingtheireyesight.C.Therewillbefewerrisksofgettingshort-sightedifpeoplespendtwoorthreehoursa
dayplayingoutside.D.Whenpeoplebegintogotoschooltheywillbecomelong-sighted.3.Whatisthefifthparagraphmainlyabout?A.Whynaturaldaylighthasaspecialchemical.B.Whydaylightpreventspeoplefrombecomingshort-sighted.C.Whydaylightismuchbrighterthanindoorlight.D.Whatthespecialchemicalwhichcanstopeyeballsfromgrowingoutofshapeis.参考答案1.D2.C3.B
【能力选练】B【****扬州】
Afterspendingyearssearchingforaplanetwithlife,scientistsmayhavefoundone.InSeptember2010,ateamofUSscientistsdiscoveredanEarthsizedplanetcalledGliese581g.Ithasasurfacetemperatureneithertoohotnortoocoldforliquid(液态water.Scientiststhinkthereisachancethattheplanetcouldhavelife.TheplanetGliese581ggoesaroundastarcalledGliese581,whichisabout20lightyearsfromEarth.Thatisabout194trillion(万亿kilometres—500milliontimes
2

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