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1、 广东省仲元中学2021年高一上学期期中考试试题及答案一、阅读理解（共4题）1.Abouttenmenineveryhundredsufferfromcolorblindnessinsomeway.Womenareluckier;onlyaboutoneintwohundredisaffected(影响)inthismatter.Perhaps,afterall,itissafertobedrivenbyawoman!Therearedifferentformsofcolorblindness.Insomecasesamanmaynotbeabletoseedeepred.Hemaythink
2、thatred,orangeandyellowareallshadowsofgreen.Sometimesapersoncannottellthedifferencebetweenblueandgreen.Inrarecasesanunluckymanmayseeeverythinginshadesofgreenastrangeworldindeed.Colorblindnessinhumanbeingsisastrangethingtoexplain.Inasingleeyetherearemillionsofverysmallthingscalled“cones”.Thesehelpust
3、oseeinabrightlightandtotelldifferencebetweencolors.Therearealsomillionsof“rods”,buttheseareusedforseeingwhenitisneardark.Theyshowusshapebutnocolor.Someinsectshavefavoritecolors.Mosquitoespreferbluetoyellow.Aredlightwillnotattractinsects,butabluelampwill.Inasimilarwayhumanbeingsalsohavefavoritecolors
4、.Yetwearelucky.Withtheaidoftheconesinoureyeswecanseemanybeautifulcolorsbyday,andwiththeaidoftherodswecanseeshapesatnight.Onedaywemayevenlearnmoreabouttheinvisiblecolorsaroundus.16.Thepassageismainlyabout_.A.coloranditssurprisingeffects.B.womenbeingluckierthanmenC.dangercausedbycolorblindnessD.colorb
5、lindness17.Accordingtothepassage,withthehelpofthe“cones”,wecan_.A.telldifferentshapesB.seeinaweaklightC.killmosquitoesD.tellorangefromyellow18.Whydosomepeoplesayitissafertobedrivenbywomen?A.Womenaremorecareful.B.Therearefewercolor-blindwomenC.Womenarefonderofdrivingthanmen.D.Womenareweakerbutquicker
6、inthinking.19.Whichofthestatementsaboutthecolor-blindistrue?A.Notallofthemhavethesameprobleminrecognizingcolor.B.Noneofthemcanseedeepred.C.Noneofthemcantellthedifferencebetweenblueandgreen.D.Allofthemseeeverythinginshadesofgreen.2.Asmydadunwrapped(打开)thenewbicyclehelmet（头盔）thatIgothimforhisbirthday,
7、Irealizedthatanumberofpeopleridetheirbicycleseverydaywithouttheprotectionofahelmet.Duetocoldwintersacrossthecountry,ridinghasbecomeincreasinglydangerousasmanyroadshavepotholesandaretorn-up(磨损的).Noteveryonerealizesthattherearelawsrequiringthewearingofhelmetsinmanyplaces.WhereIlive,therehasbeenalawinp
8、lacesinceOctober1,1992statingthatcyclistsofallagesarerequiredtowearhelmets.Unfortunately,accidentscanhappentothebestofriders.Mydadhasbeenacyclistformanyyears,andheoftenridesaroundmycountyandtoRocklandLakeStatePark.Oneafternoon,ashewasjustenteringthepark,helostcontrolofhisbicycleandflewoffandlandedon
9、anearbypatchofgrass,breakinghishelmetintopiecesandlosingconsciousness(知觉).Whenhewasjustawakening,alovelycouplefoundhimandbroughthimbacktoourhouse,whereheattemptedtorecaptheeventsleadinguptohisfall.Laterthatday,aCATscanshowedthathehadaconcussion(脑震荡).Thatevening,whilemydadwasshowingmethepiecesofhisbr
10、okenhelmet,webothcametoashockingrealization.Ifhehadnotwornhishelmet,heprobablywouldhavecrackedhisskullandperhapsdied.Today,whenmydadandIgooutcycling,thewearingofourhelmetsisnotevenaquestion.Regardlessofage,everyoneshouldwearahelmetwhenevertheygetonabicycle.20.Accordingtothepassage,whichofthefollowin
11、gstatementsisTURE?A.Youngmenneedntwearhelmets.B.Thewritersfatherdidntwearahelmetuntilthewriterboughthimone.C.Peopledonthavetowearhelmetsonsmoothsurfaceroads.D.Accidentsdonothappentothebestcyclists.21.Inthewritersopinion,whyshouldpeoplewearbicyclehelmets?A.Becausealawrequiresthemtodoso.B.Becausemanyp
12、eoplelikewearingbicyclehelmets.C.Becausepeoplehaverealizedtheimportanceofwearinghelmets.D.Becausetheconditionsofroadsareverypooranditisdangeroustorideonthem.22Theunderlinedpart“webothcametoashockingrealization”inParagraph4means“_”.A.weunderstoodhowluckythedadwastohavewornahelmetB.wewereshockedtoseet
13、hebrokenhelmetC.werealizedthatyoungpeopleneedntwearhelmetsD.onlyoldpeopleshouldwearhelmets23.Fromtheaccidentthathappenedtothewritersdad,wecaninferthat_.A.thecyclistsshouldfollowthelawB.hisdadwasnotworriedaboutthisaccidentC.itisnecessaryforcycliststowearhelmetsD.everyoneshouldcareaboutlife3.Bobwasbor
14、ninCambridge.Whenhewasinelementaryschool,heaskedhismothertotakehimtoparksintheircommunitysohecouldcollectemptysodacans(罐)torecycle.Hismotheragreed,aslongashesavedpartofthemoneyheearnedforcollege.BobsmotherremembersBobasthemostdeterminedofhersevenkids.Bobshardworkpaidoff.OnFriday,hewillbecomethefirst
15、personinhisfamily,originallyfromElSalvador,tograduatefromcollege.Andhesgraduatingwithuniversityhonors.Forhishonorsthesis（毕业论文）heresearchedunmannedsolar-powered(太阳能)airplanes,whichBYUstudentshavebeenbuildingandtestingforabout10years.Bobsstudyhelpsdiscoverthebestwaytoflyasolar-poweredairplanesothatitusestheleastamount(数量)ofpower.Thegoalistodesignandbuildanairplanethatfliesuncertainly.Bobsthesishelpslaythebasisforthi
