2019-2020年高考英语二轮复习 阅读理解精选（4）

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1、2019-2020年高考英语二轮复习阅读理解精选（4）由(xx四川绵阳高三第二次诊断)改编Upto90%ofschoolleaversinmajorAsiancitiesaresufferingfrommyopia——short-sightedness,astudysuggests.Researcherssaythe“extraordinaryrise”intheproblemisbeingcausedbystudentsworkingveryhardinschoolandmissingoutonoutdoorlight.Eyeexpertssaythat

2、youareshort-sightedifyourvisionisblurred(模糊的)beyond2m.Itisoftencausedbyanelongation(拉抻)oftheeyeballthathappenswhenpeopleareyoung.Accordingtotheresearch,theproblemisbeingcausedbyabinationoffactors——amitmenttoeducationandlackofoutdoorlight.ProfessorMorganwholedthisstudyarguesthatman

3、ychildreninSouthEastAsiaspendlonghoursstudyingatschoolanddoingtheirhomework.Thisinitselfputspressureontheeyes,butexposuretobetweentwoandthreehoursofdaylighthelpsmaintainhealthyeyes.Culturalfactorsalsoseemtoplayapart.AcrossmanypartsofSouthEastAsianchildrenoftenhavealunchtimenap.Acc

4、ordingtoProfessorMorgantheyaremissingoutonnaturallighttopreventshort-sightedness.Abigconcernisthenumbersofthestudentssufferingfrom“high”myopia.Oneinfiveofthesestudentscouldexperienceseverevisualimpairment(障碍)andevenblindness.Thesepeopleareatconsiderablerisk—sometimespeoplearenotto

5、ldaboutitandarejustgivenmorepowerfulglasses-theyneedtobewarnedabouttheriskandgivensomeself-testingmeasuressotheycangettoanophthalmologistandgetsomehelp.Fordecades,researchersbelievedtherewasastronggeneticponenttothecondition.Butthisstudystronglysuggestsanalternativeview.“Anytypeof

6、simplegeneticexplanationjustdoesn’tfitwiththatspeedofchange;genepoolsjustdon’tchangeintwogenerations.Whetherit’sapurelyenvironmentaleffectoranenvironmentaleffectplayingasensitivegenome,itreallydoesn’tmatter,thethingthat’schangedisnotthegenepool-it’stheenvironment.”13.Asismentioned

7、above,whichfactormainlyresultsinstudents’myopiainSouthEastAsia?(　　)A.Geneticfaultsofthepeople.B.Elongationoftheeyeball.C.Theshortageofoutdoorlight.D.Lackofresearchintotheproblem.14.WhichofthefollowingstatementsdoyouthinkagreeswithProfessorMorgan?(　　)A.Alunchtimenapishelpfulinreduc

8、ingmyopia.B.Glasseskeepmyopiafrom