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2024-2025学年下学期高中英语外研社版（2019）高一同步经典题精练之阅读理解

一．阅读理解（共20小题）

1．Bluelightbeforebedtimecanmakeithardertosleep，andthescreensonphones，computersandtelevisionsgiveoutplentyofbluelight.Thisisalltrue.Butifyouconsiderbluelightasamajorproblemaffectingyoursleeporyoureyehealth，itstimetochangeyourmind.

PhilipYuhas，aprofessorofoptometry（验光），writesatTheConversation，Bluelightisntauniquelytechnologicalevil.Itspartofsunlight，andyoureyesareexposedtoplentyofitallthetime.Yourefine.Thepigments（色素）andthelensesofoureyesactuallyblockbluelightfairlywell﹣soinasense，wealreadyhavebuilt﹣inblue﹣blockingprotection.

Addingmoreprotectionisntlikelytohelp，though.Youcanbuyglassesandscreenfilters（过滤器）thatblockbluelight，butYuhaspointsouttheyareprobablyawasteofmoney.Hesays，Theproductsthatmypatientsaskaboutdonotblockoutmuchbluelight.Theleadingblue﹣blockinganti﹣reflectivecoating，forexample，blocksonlyabout15%ofthebluelightthatscreensgiveout.

Youcouldgetthesamereductionjustbyholdingyourphoneanotherinchfromyourface.Tryitnowandseeifyounoticeadifference.No？Thenitshouldntsurpriseyouthatarecentanalysisconcludedthatblue﹣blockingglassesandcoatingshavenosignificanteffectonsleepquality，comfortatthecomputerorretinal（视网膜的）health.

TheAmericanAcademyofOphthalmologydoesntrecommendblue﹣blockingproducts，either.Instead，ifyoureconcernedaboutyoureyehealthoryourabilitytogetintosleepontime，youalreadyknowwhattodo：Putthescreensawayatbedtime.Readabookorfindsomethingelsetodo.Whileyoureusingscreens，takea20﹣secondbreakevery20minutestolookatsomething20feetaway.Ifyougetdryeyeswhenyoulookatscreensforalongtime，useartificialtears.

（1）Whatdoweknowaboutbluelight？

A．Itproduceskindsofpigments.

B．Itdoesseriousharmtoourhealth.

C．Itca