高三英语下学期周练试题4_9

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1、为深入贯彻落实党的十九大精神和习近平总书记的重要指示精神，保障人民安居乐业、社会安定有序、国家长治久安、进一步巩固党的执政基础，束城镇深入贯彻全市扫黑除恶会议精神，强化措施，深入扎实开展扫黑除恶专项斗争河北省定州市2017届高三英语下学期周练试题（4.9）一、阅读理解Abouttenmenineveryhundredsufferfromcolorblindnessinsomeway.Womenareluckier,onlyaboutoneintwohundredisaffectedinthismatter.Perhaps,afterall,itissafertobed

2、rivenbyawoman.Therearedifferentformsofcolorblindness.Insomecasesamanmaynotbeabletoseedeepred.Hemaythinkthatred,orangeandyellowareallshadesofgreen.Sometimesapersoncan’ttellthedifferencesbetweenblueandgreen.Inrarecasesanunluckymanseeseverythinginshadesofgreen—astrangeworldindeed.Colorblin

3、dnessinhumanbeingsisstrangethingtoexplain.Inasingleeyetherearemillionsverysmallthingscalled“cones”.Thesehelpusseeinabrightdayandtellthedifferencesbetweencolors.Therearealsomillionsof“rods”,buttheseareusedforseeingwhenitisnearlydark.Theyshowusshapesbutnotcolor.Someinsectshavefavoritecolo

4、rs.Mosquitoeslikebluebutdonotlikeyellow.Aredlightwillnotattractinsectsbutabluelampwill.Insimilarwayhumanbeingalsohavefavoritecolorsbydayandwiththeaidoftherodswecanseeshapesatnight.Onedaywemayevenlearnmoreabouttheinvisiblecolorsaroundus.1．Thepassageismainlyabout________.A.coloranditssurp

5、risingeffectsondriverB.womenbeingluckierthanmanthatfewerofthemarecolorblindC.dangercausedbycolorblindnessD.colorblindnessandhowoureyestelldifferentcolorsandshapes2．Accordingtothepassage,withthehelpof“cones”wecan________.A.telldifferentcolorsB.seeinweaklightC.telldifferentshapesD.tellora

6、ngefromyellow3．Whydosomepeoplesayitissafertobedrivenwomen?A.Womenaremorecareful.B.Therearefewercolorblindwomen.C.Womenarefonderofdrivingthanmen.D.Womenareweakerbutquickerinthinking.4．Whichofthefollowingstatementsaboutcolorblindpeopleistrue?A.Notallofthemhavethesameprobleminrecognizingco

7、lors.B.Noneofthemcansecdeepredbutallcantellbluefromgreen.C.Noneofthemcantellbluefromgreenbutallcanseedeepred.D.Allofthemareluckyenoughtoseeeverythinginshadesofgreen.Mostepisodesofabsent-minded-forgettingwhereyouleftsomethingorwonderingwhyyoujustenteredaroom-arecausedbyasimplela