黑龙江省大庆市喇中高中英语 阅读集练-健康保健类

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1、高中英语阅读——健康保健类1、Youknoweatingfruitandvegetablesdoesgood.Butdoyouknowitcanalsomakeyoulookgood?Peoplewhoincreasedtheirintakeoverjustsixweeksdevelopedahealthyglowandappearedmoreattractive,researchersfound.ScientistsatStAndrewsUniversityfoundeatingthemslightlyincreasedyellowandredpigmentsinthevolunte

2、ers'skin.Theymonitoredthefoodintakeof35peopleandtookpicturesoftheirfaces,armsandhandsusingasensitivecameraatthestart,andafterthreeandsixweeks.Increasingtheirintakeofgreensby2.9portionsadaywasfoundtomakethepersonlookmorehealthyandanextra3.3portionscouldenhancetheirattractiveness,whentheirphotogra

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

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

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

6、yphenols(多元酚)，foundinapples,blueberriesandcherries,whichcausebloodrushtotheskinsurface.【小题1】Whatdoweknowfromtheresearch?A．Ifyoutakeinalittlemorefruitandvegetables,youwillobviouslylookmoreattractiveinthreeweeks.34B．Peoplewhoincreasedtheirintakeofgreensby3.3portionsadaywerefoundthemostattractiveaf

7、tersixweeks.C．Increasingyourintakeofgreensby2.9portionsadaycangreatlyimproveyourhealth.D．Theresearcherstookthepicturesofthe35peopleintheresearchatdifferentstages.【小题2】WhichofthefollowingisNOTthefunctionofcarotenoids？A．Theyca