高中英语学习材料（灿若寒星*制作整理）Unit2同步检测Ⅰ.阅读理解AEatingfoodshighintransfats(反式脂肪)andsaturated(饱和的)fatsincreasestheriskofdepression，accordingtoaSpanishstudy，confirmingpreviousstudiesthatlinked“junkfood”withthedisease.Researchersalsoshowedthatsomeproducts，suchasoliveoil，canfightagainsttheriskofmentalillness.Authorsofthewide-reachingstudy，fromtheuniversitiesofNavarraandLasPalmas，followedandanalyzedthedietandlifestyleofover12，000volunteersoversixyears.Whenthestudybegan，noneoftheparticipantshadbeendiagnosedwithdepression；bytheend，657ofthemwerenewsufferers.“Participantswithanincreasedconsumptionoftransfatspresenteduptoa48percentincreaseintheriskofdepressionwhentheywerecomparedtoparticipantswhodidnotconsumethesefats，”theheadstudyauthorsaid.“Themoretransfatswereconsumed，thegreaterharmfuleffecttheyproducedonthevolunteers.”Theresearchteamfound，atthesametime，thatafterassessingtheeffectofpolyunsaturatedfatsmadeupoflargeramountsoffishandvegetableoilsandoliveoil，theseproductsareassociatedwithalowerriskofsufferingdepression.Thereport，publishedintheonlinejournalPLOSONE，notedtheresearchwasperformedonaEuropeanpopulationthatenjoysarelativelylowintakeoftransfats－makinguponly0.4percentofthetotalenergytakeninbythevolunteers.“Despitethis，weobservedanincreaseintheriskofsufferingdepressionofnearly50percent，”saidresearcherMiguelMartinez.“OnthisbasiswethinkitofgreatimportancetotakethiseffectintoaccountincountriesliketheUnitedStates，wherethepercentageofenergyderivedfromthesefatsisaround2.5percent.”Thereportpointedoutthatthecurrentnumberofdepressionsufferersintheworldisaround150millionpeople，andhasincreasedinrecentyears.Thisriseisattributable，accordingtotheauthors，togreatchangesinthesourcesoffatsconsumedinwesterndiets，wherewehavereplacedcertaintypesofbeneficialfatsinnuts，vegetableoilsandfishwiththesaturatedandtransfatsfoundinmeats，butterandotherproductssuchasmass-producedcakesandfastfood.【文章大意】本文主要讲述了吃含有极高反式脂肪和饱和脂肪的垃圾食品会增加患抑郁症的几率。1．Whichofthefollowingincreasestheriskofsufferingdepression?A．Fish.B．Vegetableoils.C．Oliveoil.D．Butter.解析：选D。细节理解题。根据第四段和最后一段中的“beneficialfatsinnuts，vegetableoilsandfishwiththesaturatedandtransfatsfoundinmeats，butterandotherproducts”可知应选D。2．Thestudytellsusthat________．A．2.5%AmericanssuffermentalillnessB．12，000volunteersfromNavarratookpartC．aminorityofparticipantsbecamenewsufferersD．150millionEuropeansenjoyahealthierlifestyle解析：选C。细节理解题。从第二段第一句中的“over12，000volunteers”及第二句中的“bytheend，657ofthemwerenewsufferers”可知，C项正确。3．Theunderlinedword“derived”inParagraph5isclosestinmeaningto“________”．A．obtainedB．chosenC．separatedD．preserved解析：选A。词义猜测题。根据画线词所在句及该段中的“makinguponly0.4percentofthetotalenergytakeninbythevolunteers”可知，这里指的是美国人从反式脂肪中获得的能量的比率大约是2.5%。obtained与derived同义，故选A项。4．Moreandmorewesternersaresufferingdepressionbecause________．A．theyhavelesstimeforexerciseB．theyeatmorenuts，vegetableoilsandfishC．thesourcesoffatsintheirdietshavechangedD．lessmeat，butter，andcakesareincludedintheirdiets解析：选C。细节理解题。根据最后一段的第二句可知，这种增长归因于西方饮食中脂肪来源的很大改变，在这些来源中，我们已经用肉、黄油以及其他产品...
