2020版高考英语复习Unit3Theworldofcoloursandlight知能演练轻松闯关牛津译林版

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1、Unit3Theworldofcoloursandlight课时练1　阅读理解提速练[学生用书P358(单独成册)]阅读理解A(2019·陕西检测二)WheneverIheararecordingofJohnDenversinging“SunshineonMyShoulders”，Ifindmyselfsmiling,drawntoaloveofthesunandtheoutdoorsI’vehadforyearsasaMichigannative.Walkingbarefoottothelake,playingwithoutshi

2、rtsinthesunlight,andbreathingfreshairfeelgood.AsadoctorIcantellyoutheyarealsogoodforyourheart.Studieshavefoundhigherratesofhighbloodpressureamongpeoplewiththelowestsunexposure.Onereasonmaybeduetonitricoxide(一氧化氮),agaswhosefunctionisactivatedwhenyourskinisexposedtothesu

3、n’srays.Itreducesbothheartattackandstrokerisks.VitaminD,whichsunlighthelpsyourbodyproduce,isalsolinkedtobetterhealth.Sowalkoutdoorsfor15to30minutesdaily.InJapan,walkingthroughforeststokeephealthyhasbecomeapopularpractice.Apparentlytheywanttoenjoythefreshair.Butresearch

4、on280volunteersfoundthatpeoplehadareducedheartrate,andlowerbloodpressurewhentheywalkedthroughaforestthanwhentheyspenttimeinanurbanarea.Oneoftheconsequencesofmodernsocietyisthatrarelyisourbodyindirectcontactwiththeground.Theearthhasanelectricalcurrent.Directcontactwithi

5、tmaybestabilizingforceforgoodhealth.Although“earthing”or“grounding”isconsideredalternativebymainstreammedicine,researchshowsthatthepracticeseemstobeabletoreduceheartdiseaserisks.So,walkaroundbarefootwhereverpossible,letyourbackyardgrasstickleyourfeet,anddigyourtoesinto

6、sandybeaches.【解题导语】　本文是一篇议论文。作者通过叙述自己的经历、感受和一些研究发现，告诉人们户外活动有益于心脏。1．Thefirstparagraphismeantto________．A．showtheauthorlikesthesongverymuchB．putforwardtheargumentofthepassageC．suggestthattheauthorlovesnaturecrazilyD．indicatetheauthorisaMichigannativeB　解析：推理判断题。根据第一段的描述可知

7、，作者写这段的目的是提出文章的论点。2．Sunbathing’sgoodforheartbecause________．A．thesun’sraysmakenitricoxideworkB．sunlightcanhelppeoplekeepwarmC．thesun’srayscanhelpreplacevitaminDD．vitaminDreducesbloodcirculationA　解析：推理判断题。根据第二段中的“Onereasonmaybeduetonitricoxide(一氧化氮),agaswhosefunctionisa

8、ctivatedwhenyourskinisexposedtothesun’srays.Itreducesbothheartattackandstrokerisks.”描述可推知，日光浴对心脏有好处是因为阳光能使一氧化氮工作。3．It