高考英语(北师大)新探究大一轮精练(含新题)：Unit 24 知能演练 轻松闯关 Word含解析.pdfVIP

课时练1阅读理解提速练

[学生用书P348(单独成册)]

Ⅰ阅读理解

A

(2019·陕西检测二)WheneverIheararecordingofJohnDenversinging“SunshineonMy

Shoulders”，Ifindmyselfsmiling,drawntoaloveofthesunandtheoutdoorsI’vehadforyears

asaMichigannative.Walkingbarefoottothelake,playingwithoutshirtsinthesunlight,and

breathingfreshairfeelgood.AsadoctorIcantellyoutheyarealsogoodforyourheart.

Studieshavefoundhigherratesofhighbloodpressureamongpeoplewiththelowestsun

exposure.Onereasonmaybeduetonitricoxide(一氧化氮),agaswhosefunctionisactivated

whenyourskinisexposedtothesun’srays.Itreducesbothheartattackandstrokerisks.Vitamin

D,whichsunlighthelpsyourbodyproduce,isalsolinkedtobetterhealth.Sowalkoutdoorsfor15

to30minutesdaily.

InJapan,walkingthroughforeststokeephealthyhasbecomeapopularpractice.Apparently

theywanttoenjoythefreshair.Butresearchon280volunteersfoundthatpeoplehadareduced

heartrate,andlowerbloodpressurewhentheywalkedthroughaforestthanwhentheyspenttime

inanurbanarea.

Oneoftheconsequencesofmodernsocietyisthatrarelyisourbodyindirectcontactwith

theground.Theearthhasanelectricalcurrent.Directcontactwithitmaybestabilizingforcefor

goodhealth.Although“earthing”or“grounding”isconsideredalternativebymainstream

medicine,researchshowsthatthepracticeseemstobeabletoreduceheartdiseaserisks.

So,walkaroundbarefootwhereverpossible,letyourbackyardgrasstickleyourfeet,anddig

yourtoesintosandybeaches.

【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．showtheauthorlikesthesongverymuch

B．putforwardthear