2019-2020年高中英语阅读集练-健康保健类.doc

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1、2019-2020年高中英语阅读集练-健康保健类1、Youknoweatingfruitandvegetablesdoesgood.Butdoyouknowitcanalsomakeyoulookgood?Peoplewhoincreasedtheirintakeoverjustsixweeksdevelopedahealthyglowandappearedmoreattractive,researchersfound.ScientistsatStAndrewsUniversityfoundeatingthemslightlyincreasedyellowandredpigmentsin

2、thevolunteers'skin.Theymonitoredthefoodintakeof35peopleandtookpicturesoftheirfaces,armsandhandsusingasensitivecameraatthestart,andafterthreeandsixweeks.Increasingtheirintakeofgreensby2.9portionsadaywasfoundtomakethepersonlookmorehealthyandanextra3.3portionscouldenhancetheirattractiveness,whenthei

3、rphotographswereratedbyothers.Fruitandvegetablesarerichincarotenoids(类胡萝卜素)，whichareknowntoprotectagainstcelldamagefrompollutionandUVrays,andcanalsopreventage-relateddiseasesincludingheartdiseaseandcancer.Butwhileitwasknowneatingextremeamountsofcertainvegetablessuchascarrotscouldturnskinorange，it

4、wasnotknownasmallincreasewasperceptible(被觉察）toothers—andwasseenasappealing.Acamerameasuredchangestotheskin'sredness,yellownessandlightness,andfounditsignificantlychangedinpeoplewhonaturallyincreasedtheirintake.Thesechangeswerenotevidentinthreeweeks.Usinglightsensors,theresearchersshowedtheseredan

5、dyellowhueswerelinkedwiththelevelsofcarotenoidsintheirskin.Therearehundredsofcarotenoidsbutthosethoughttohavethemostdramaticeffectarelycopene(番茄红素)—whichgivestomatoesandredpepperstheirredcolour—andbeta-carotenefoundincarrotsaswellasbroccoli,squash,andspinach.Skincolourisalsoaffectedbychemicalscal

6、ledpolyphenols(多元酚)，foundinapples,blueberriesandcherries,whichcausebloodrushtotheskinsurface.【小题1】Whatdoweknowfromtheresearch?A．Ifyoutakeinalittlemorefruitandvegetables,youwillobviouslylookmoreattractiveinthreeweeks.B．Peoplewhoincreasedtheirintakeofgreensby3.3portionsadaywerefoundthemostattractiv

7、eaftersixweeks.C．Increasingyourintakeofgreensby2.9portionsadaycangreatlyimproveyourhealth.D．Theresearcherstookthepicturesofthe35peopleintheresearchatdifferentstages.【小题2】WhichofthefollowingisNOTthefunctionofcarotenoids