高考英语二轮复习：阅读——健康保健类（含答案）.doc

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

2、tsinthevolunteers'skin.Theymonitoredthefoodintakeof35peopleandtookpicturesoftheirfaces,armsandhandsusingasensitivecameraatthestart,andafterthreeandsixweeks.Increasingtheirintakeofgreensby2.9portionsadaywasfoundtomakethepersonlookmorehealthyandanextra3.3portionscouldenhancetheirattr

3、activeness,whentheirphotographswereratedbyothers.Fruitandvegetablesarerichincarotenoids(类胡萝卜素)，whichareknowntoprotectagainstcelldamagefrompollutionandUVrays,andcanalsopreventage-relateddiseasesincludingheartdiseaseandcancer.Butwhileitwasknowneatingextremeamountsofcertainvegetabless

4、uchascarrotscouldturnskinorange，itwasnotknownasmallincreasewasperceptible(被觉察）toothers—andwasseenasappealing.Acamerameasuredchangestotheskin'sredness,yellownessandlightness,andfounditsignificantlychangedinpeoplewhonaturallyincreasedtheirintake.Thesechangeswerenotevidentinthreeweeks

5、.Usinglightsensors,theresearchersshowedtheseredandyellowhueswerelinkedwiththelevelsofcarotenoidsintheirskin.Therearehundredsofcarotenoidsbutthosethoughttohavethemostdramaticeffectarelycopene(番茄红素)—whichgivestomatoesandredpepperstheirredcolour—andbeta-carotenefoundincarrotsaswellasb

6、roccoli,squash,andspinach.Skincolourisalsoaffectedbychemicalscalledpolyphenols(多元酚)，foundinapples,blueberriesandcherries,whichcausebloodrushtotheskinsurface.【小题1】Whatdoweknowfromtheresearch?A．Ifyoutakeinalittlemorefruitandvegetables,youwillobviouslylookmoreattractiveinthreeweeks.B．

7、Peoplewhoincreasedtheirintakeofgreensby3.3portionsadaywerefoundthemostattractiveaftersixweeks.C．Increasingyourintakeofgreensby2.9portionsadaycangreatlyimproveyourhealth.D．Theresearcherstookthepicturesofthe35peopleintheresearchatdifferentstages.【小题2】WhichofthefollowingisNOTthefuncti

8、onofcarotenoids？A．Theycanp