研究表明不吃晚饭可能会让人增重

名师精讲外刊研究表明，不吃晚饭可能会让人增重Skippingdinnermightbemakingyougainweight,accordingtoastudy名师精讲外刊为了完美的身材，许多健身人士或减肥人士都不吃晚饭，以免距离睡觉时间太近，将入口的食物全部吸收。但是，有研究表明，不吃晚饭也许会适得其反，而且不仅容易增加体重，还容易引起一系列身体疾病。这是一项什么研究呢？可不可信呢？为什么不吃晚饭会让人增重呢？我们一起走进今天的外刊！课前问题1.该研究的结果可信吗？2.“不吃晚饭”怎么说，BMI的全称是什么？导读名师精讲外刊Skippingdinnermightbemakingyougainweight,accordingtoastudy【基础解析】skipv.不做；逃避【释】Ifyouskipsomethingthatyouusuallydoorsomethingthatmostpeopledo,youdecidenottodoit.【例】Itisimportantnottoskipmeals.重要的是，不能不吃饭。【拓展延伸】ropeskipping跳绳hopskipandjump三级跳名师精讲外刊Anewlarge-scalestudysuggeststhatskippingdinnercouldresultinweightgainandahigherlikelihoodofbeingoverweightorobese.【基础解析】obeseadj.肥胖的；臃肿的【释】Ifsomeoneisobese,theyareextremelyfat.【例】Obesepeopletendtohavehigherbloodpressurethanleanpeople.肥胖的人往往比瘦人血压高。精讲试听结束Foryears,researchhaslinkedskippingbreakfastwithincreasedBMI(bodymassindex),butfewstudieshavebeencarriedoutintotheeffectoftheothermealsoftheday.【基础解析】BMI身体质量指数【背景知识】全称bodymassindex，身体质量指数，简称体质指数，由19世纪中期的比利时通才凯特勒最先提出，身体质量指数是国际上衡量人体胖瘦程度以及是否健康的一个常用指标。计算公式为：BMI=体重÷身高的平方。（体重单位：千克；身高单位：米。），BMI正常值在18.5至25之间，18.5以下为偏轻，25至30是超重，30以上则属肥胖。However,researchersatOsakaUniversity,whosestudyassessedbreakfast,lunch,anddinnerhabits,concludedthatnoteatingdinnerisa"significantpredictorofweightgainandoverweight/obesity."【基础解析】predictorn.借以作出预测的事物；预报器【释】Youcanrefertosomethingthathelpsyoupredictsomethingthatwillhappeninthefutureasapredictorofthatthing.【例】Opinionpollsareanunreliablepredictorofelectionoutcomes.用民意测验来预测选举结果并不可靠。However,researchersatOsakaUniversity,whosestudyassessedbreakfast,lunch,anddinnerhabits,concludedthatnoteatingdinnerisa"significantpredictorofweightgainandoverweight/obesity."【基础解析】obesityn.过度肥胖；肥胖症【释】Obesityisamedicalconditioninwhichexcessbodyfathasaccumulatedtoanextentthatitmayhaveanegativeeffectonhealth.【例】Obesitycanincreasetheriskofheartdisease.肥胖会增加患心脏病的危险。However,researchersatOsakaUniversity,whosestudyassessedbreakfast,lunch,anddinnerhabits,concludedthatnoteatingdinnerisa"significantpredictorofweightgainandoverweight/obesity."【长难句分析】However(转折),researchersatOsakaUniversity(主语),whosestudyassessedbreakfast,lunch,anddinnerhabits(定语从句，修饰主语),concluded(谓语)thatnoteatingdinnerisa"significantpredictorofweightgainandoverweight/obesity(宾语从句，作concluded的宾语)."Thestudyfollowed17,573maleand8,860femalestudentsovertheageof18enrolledatOsakaUniversityoveranaverageofthreeyears.Aspartoftheirannualcheck-ups,thestudentswereaskedhowoftentheyatebreakfast,lunch,anddinner.【基础解析】enrollv.登记；入学；入伍【释】officiallyregisterasamemberofaninstitutionorastudentonacourse【例】Heenrolledindramaschool.他被戏剧学校录取了。Thestudyfollowed17,573maleand8,860femalestudentsovertheageof18enrolledatOsakaUniversityoveranaverageofthreeyears.Aspartoftheirannualcheck-ups,thestudentswereaskedhowoftentheyatebreakfast,lunch,anddinner.【基础解析】check-upn.1)调查【释】Ifyoucheckuponsomething,youfindoutinformationaboutit.【例】Itiscertainlyworthcheckinguponyourbenefitentitlements.了解一下你的福利权益无疑是值得的。2)体检【释】athoroughexamination,especiallyamedicalordentalone【例】Amotherandheryoungdaughterweretakentohospitalforacheckupafterafireattheirhome.家中发生火灾之后，母亲和年轻的女儿被带到医院体检。Thestudyfollowed17,573maleand8,860femalestudentsovertheageof18enrolledatOsakaUniversityoveranaverageofthreeyears.Aspartoftheirannualcheck-ups,thestudentswereaskedhowoftentheyatebreakfast,lunch,anddinner.【基础解析】followv.涉及……生活；有关……发展【释】tobeconcernedwiththelifeordevelopmentofsb/sth【例】ThenovelfollowsthefortunesofavillagecommunityinScotland.小说叙述了苏格兰一个村落的变迁。Researchersalsotookintoconsiderationthetimeofeating,whetherparticipants'mealhabitschangedoverthecourseofthestudy,andlifestylefactorslikesleep,smoking,anddrinking.Thenumberofstudentswhosaidtheysometimesskippeddinnerwassmall,buttheresearchersfoundthatthosewhodidsoallthetimeoroccasionallyweremorelikelytobeolder,moreoverweight,asmokerordrinker,tosleepforashorterperiodoftime,skipothermealsmorefrequently,andeatdinnerlaterwhentheydideatit.【长难句分析】Thenumberofstudents(主句分句1主语)whosaid(定语从句，修饰students)theysometimesskippeddinner(宾语从句，作said的宾语)was(系动词)small(表语),buttheresearchersfound(主句分句2)that(引导宾语从句，作found的宾语)those(宾语从句主语)whodidsoallthetimeoroccasionally(定语从句，修饰those)were(系动词)morelikely(表语)tobeolder,moreoverweight,asmokerordrinker(belikelytodosth中的动作1),tosleepforashorterperiodoftime(belikelytodosth中的动作2),skipothermealsmorefrequently(belikelytodosth中的动作3),andeatdinnerlaterwhentheydideatit(belikelytodosth中的动作4).Forbothmenandwomen,skippinglunchwasmorelikelytocoincidewithallthesameoutcomesexcepthavingahigherBMI.【基础解析】coincidev.1)同时发生【释】Ifoneeventcoincideswithanother,theyhappenatthesametime.【例】Theexhibitioncoincideswiththe50thanniversaryofhisdeath.展会与他50周年忌辰同日。2)（观点或兴趣）一致【释】Iftheideasorinterestsoftwoormorepeoplecoincide,theyarethesame.【例】Theinterestsofemployersandemployeesdonotalwayscoincide.雇主和雇员的利益并不总是一致的。Skippingdinner,theresearchersfound,was"significantlyassociated"withweightgainof10%ormore,andhavingaBMIover25,whichisclassedasoverweightorobese.【基础解析】classv.把......归类；分类【释】Ifsomeoneorsomethingisclassedasaparticularthing,theyareregardedasbelongingtothatgroupofthings.【例】Sincetheycananddosuccessfullyinter-breed,theycannotbeclassedasdifferentspecies.既然它们能够而且确实可以成功杂交繁殖，它们就不能被归为不同的物种。It'sworthpointingoutthatBMIhasitslimitations(someonewhoisincrediblymuscularandleancanbeclassedasobese,forexample),butwhenassessingalargepopulationit'sgenerallyconsideredaccurateenoughastheoutliersoutweigheachother.【基础解析】muscularadj.1)有关肌肉的【释】Muscularmeansinvolvingoraffectingyourmuscles.【例】Asageneralrule,allmusculareffortisenhancedbybreathinginastheeffortismade.一般规律是，肌肉都通过用力吸气而增强力量。2)强壮的【释】Ifapersonortheirbodyismuscular,theyareveryfitandstrong,andhavefirmmuscleswhicharenotcoveredwithalotoffat.【例】Likemostfemaleathletes,shewasleanandmuscular.像大多数女运动员一样，她精瘦而健壮。It'sworthpointingoutthatBMIhasitslimitations(someonewhoisincrediblymuscularandleancanbeclassedasobese,forexample),butwhenassessingalargepopulationit'sgenerallyconsideredaccurateenoughastheoutliersoutweigheachother.【基础解析】leanadj.1)清瘦而且健康的【例】Hewastall,leanandhandsome.他长得瘦高而英俊。2)高效的【例】Reformsturnedusintoaleanandcompetitivenation.改革使我们成为高效率、竞争力强的国家。3)贫乏的；萧条的【例】Myparentslivedthroughtheleanyearsofthe1930s.我的父母经历了20世纪30年代的萧条期。【拓展延伸】leanproduction精益生产；精实生产leanmanufacturing精实生产leanmeat瘦肉It'sworthpointingoutthatBMIhasitslimitations(someonewhoisincrediblymuscularandleancanbeclassedasobese,forexample),butwhenassessingalargepopulationit'sgenerallyconsideredaccurateenoughastheoutliersoutweigheachother.【基础解析】outliern.1)离开主体的人（或物）【释】apersonorthingsituatedawayordetachedfromthemainbodyorsystem【例】Therearethecorporateoutliers,peoplewhojustdon'tfitintothecultureofthecompany.公司里有些离群的人，就是不适应公司文化的人。2)异常值；离群值【释】adatapointonagraphorinasetofresultsthatisverymuchbiggerorsmallerthanthenextnearestdatapoint【例】outlierdetection异常检测；孤立点检测"Theseresultssuggestthatskippingdinner,whichwasmuchlessprevalentthanskippingbreakfast,hasastrongerassociationwithweightgainandoverweight/obesitythanskippingbreakfast,"thestudysaid.【基础解析】prevalentadj.盛行的；普遍的【释】Acondition,practice,orbeliefthatisprevalentiscommon.【例】Smokingisbecomingincreasinglyprevalentamongyoungerwomen.吸烟在年轻女性中正变得越来越盛行。Theresearcherssuggestedthatthereasonskippingdinnercouldleadtoweightgainisthatitmakespeoplehungriersotheyendupeatingmoreoverthecourseoftheday.Anotherpossibleexplanation,theysaid,isthatdinneristypicallyamealthatlendsitselftonutritiousfoodslikeleanproteinsandvegetables,soskippingdinnermaymeanalowerqualitydiet.【基础解析】nutritiousadj.有营养的；营养丰富的【释】Nutritiousfoodcontainssubstanceswhichhelpyourbodytobehealthy.【例】Itisalwaysimportanttochooseenjoyable,nutritiousfoods.选择好吃的、有营养的食品总是很重要的。Anotherpossibleexplanation,theysaid,isthatdinneristypicallyamealthatlendsitselftonutritiousfoodslikeleanproteinsandvegetables,soskippingdinnermaymeanalowerqualitydiet.【基础解析】lendoneselfto1)原意参与的；表现【例】Thefamousactorislendingherselftothecharitydrive.这位著名演员愿意参加慈善活动。2)适应；变得合适、有用【例】Thisroomdoesn'tlenditselftobrightcolors.这个房间不适合明亮的颜色。Anotherpossibleexplanation,theysaid,isthatdinneristypicallyamealthatlendsitselftonutritiousfoodslikeleanproteinsandvegetables,soskippingdinnermaymeanalowerqualitydiet.【长难句分析】Anotherpossibleexplanation(宾语从句分句1主语),theysaid(主句，也可以看作插入语),is(系动词)thatdinneristypicallyameal(表语从句)thatlendsitselftonutritiousfoodslikeleanproteinsandvegetables(定语从句，修饰meal),s