人教版高中英语必修三Unit2同步检测VIP专享VIP免费

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...