版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
主旨大意之段落大意题ADoyouknowelectricitycanchangethewaywetastefood?ProvingthisfactisarevolutionaryelectricforkdesignedbyJapaneseresearchersthatcanmakeanydishtastesalty.AccordingtoHiromiNakamura,aPostDocResearchFellowatTokyo’sMeijiUniversity,thetechnologycanbeveryusefulforpeopleonspecialdiets.Patientswithhighbloodpressure,forinstance,caneasilygoonalowsaltdietandstillenjoydeliciousfood.Andwiththefork,there’sabsolutelynoriskofoversaltingtheirfood.Luckily,thevoltage(电压)issosmallthatthereisnoriskofelectrocution(触电)either.TheideaofaddingelectricitytofoodwasfirstexposedasanexperimentattheComputerHumanInteractionConferenceinAustin,Texas,in2012.Nakamuraandherteamconnectedawiretoa9voltbatteryandpasseditthroughastrawplacedinacupofsweetlemonade.Volunteersreportedthatthechargedlemonadetasted“blander”,becausetheelectricitycreatedthetasteofsalt.Nakamurahasimprovedthetechnologytobeabletotransferanelectricchargetofoodthroughforksandchopsticks.“Themetallicpartoftheforkisoneelectrode(电极),andthehandleistheother,”Nakamuraexplained.“Whenyoutakeapieceoffoodwiththeforkandputitinyourmouth,youconnectthecircuit.Whenyouremovetheforkfromyourmouth,youdisconnectthecircuit.Soitactuallyworksasaswitch.”SimonKlose,hostoffoodprogramMunchies,whorecentlyvisitedNakamuratotryouttheforkhimself,calledthisformof“foodhacking”oneofthegreatesteatingexperienceshe’deverhad.“WhenIfirstheardofelectricfood,itsoundedscary,”hesaid.Helatercontinuedtouseachargedforktoeatpiecesoffriedchicken,andfoundthatthesaltinessconsiderablyincreasedastheelectricitywasconnected.Nakamurahasbeeneating“electric”foodforthepastthreetofouryearsinanattempttounderstanditbetter.“Forme,‘foodhacking’isaboutstrengtheningorweakeningrealfood,”shesaid.“Itmayseemlikewe’recookingbutwe’reactuallyworkingonthehumansenses.”eq\x(语篇解读本文属于科普说明文,主要介绍了日本科学家使用电流改变食物的味道的研究。)1.Theelectricforkmaybenefitpeoplewho.A.needtogoonadietB.havehighbloodpressureC.preferfoodfreeofsaltD.showinterestintastyfood答案B解析细节理解题。根据第二段第二句“Patientswithhighbloodpressure,forinstance,caneasilygoonalowsaltdietandstillenjoydeliciousfood.”可知,患高血压的人使用这一技术仍然可以享受盐分低而美味的食物,这些食物属于健康食物。说明这一技术对患高血压的人有益。故B正确。2.Paragraph4mainlytellsus.A.howtheelectricforkworksB.whatmakesthecircuitconnectedC.howthetechnologywasimprovedD.whytheelectricforkwasinvented答案A解析段落大意题。阅读本段可知,本段主要介绍theelectricfork的工作原理。3.Fromthepassage,welearnthattheelectricfork.A.createsvirtualtasteB.changespeople’sdietsC.helpscurediseasesD.replacessaltincooking答案A解析推理判断题。根据文章最后一句可知,实际上电击只是给人一种虚拟的假味道,实际上食物还是原来的味道。故A正确。BInanticipation(预料)ofanextraordinaryvisit,thestreetsandbuildingsofHavana,Cuba,werecleanedandpaintedbydozensofworkers.Whatwastheoccasion?Forthefirsttimeinnearly90years,asittingUnitedStatespresidentwascomingtoCuba,anislandnation90milessouthofFlorida.OnSunday,PresidentBarackObama,joinedbyhisfamily,steppedoffAirForceOneandontoarainyrunway,whereCubandignitaries(高官)eagerlyawaitedhim.“It’swonderfultobehere,”thepresidentsaid.ThelasttimeaU.S.presidentcametoCubawasin1928.ItwasPresidentCalvinCoolidge,andhearrivedonabattleship.ObamawillbeinCubathroughTuesday.HeissettomeetwithCuba’spresident,RaulCastro,attendastatedinnerandeventakepartinabaseballgame.TheU.S.cutalltieswithCubaafterFidelCastro’scommunistgovernmenttookcontroloftheislandin1959.Intheyearsthatfollowed,bothcountries’opposingpoliticalviewsfurtheredtheseparation.PlansforsocialandeconomicchangebeganafterPresidentFidelCastrotransferredpowertohisbrother,Raulin2008.RaulCastrothensetaplaninmotiontorevivethecountry’seconomy.Sincethen,Cubahasbeentakingsmall,yetlastingstepstowardchangebyremovinganumberofrestrictionsthathadbeensetonitscitizens,suchasaccesstotheInternet,theuseofcellphones,andbyallowingpeopletoworkatjobsnotcontrolledbythegovernment.Cuba,however,stillhastoughlimitsonmedia,publicassemblyandpoliticalopposition.ObamahopestosharehisvisionforCuba’sfutureduringaspeechhewilldeliver.Beforethetrip,SeniorAdvisorBenRhodessaidthepresidenthopedtousethisvisitasawayto“continuetocreateopeningsforgreatengagementbetweentheAmericanandCubanpeople.”语篇解读本文是一篇新闻报道,介绍了美国总统奥巴马访问古巴的新闻,分析了这次访问的前因后果以及深远影响。4.Whatisstressedinthesecondparagraph?A.PresidentObama’sarrivalontelevision.B.ObamaandCastrotalkabouthumanrights.C.ThefirstservingU.S.presidenttovisitCubarecently.D.FirstladyMichelleObamawaslaterwelcomed.答案C解析段落大意题。根据第二段第一句“Forthefirsttimeinnearly90years,asittingUnitedStatespresidentwascomingtoCuba,anislandnation90milessouthofFlorida.”可知奥巴马访问古巴是90年以来在职的美国总统第一次访问古巴,这是有划时代的意义的一次访问。所以本段想强调的也正是这一点。5.WhatwastheeventshowingCuba’schangeforthebetter?A.FidelCastrorosetopower.B.RaulCastrocametopower.C.CalvinCoolidgearrivedinCuba.D.TheU.S.officialsarrivedinCuba.答案B解析细节理解题。根据第三段最后两句“PlansforsocialandeconomicchangebeganafterPresidentFidelCastrotransferredpowertohisbrother,Raulin2008.RaulCastrothensetaplaninmotiontorevivethecountry’seconomy.”及第四段第一句可知,在2008年FidelCastro把总统的职位传给他的弟弟RaulCastro以后,RaulCastro就进行了一系列的社会和经济改革,使古巴的情况逐渐好转。故B项正确。6.AccordingtoBenRhodes,whichisthepurposeofBarackObama’svisittoCuba?A.TobringnegativechangeforCubans.B.TocarryouthisvisionforCuba’sfuture.C.Tobreaksilenceandnocommunications.D.TogiveMr.Castroalistofpoliticalviews.答案C解析推理判断题。根据最后一句“...thepresidenthopedtousethisvisitasawayto‘continuetocreateopeningsforgreatengagementbetweentheAmericanandCubanpeople.’”可知,奥巴马总统希望通过本次访问打破美国和古巴之间多年没有联系的局面并进一步深入双方的关系和联系。故C正确。CPeoplearebeingtrickedintoFacebookwiththepromiseofafun,freeservicewithoutrealizingthey’repayingforitbygivinguploadsofpersonalinformation.MostFacebookusersdon’trealizethisishappening.Eveniftheyknowwhatthecompanyisupto,theystillhavenoideawhatthey’repayingforFacebookbecausepeopledon’treallyknowwhattheirpersonaldataisworth.Thebiggestproblem,however,isthatthecompanykeepschangingtherules.Earlyon,youkeepeverythingprivate.ThatwasthegreatthingaboutFacebook—youcouldcreateyourownlittleprivatenetwork.However,thecompanychangeditsprivacyrulessothatmanythings—yourcity,yourphoto,yourfriends’names—wereset,bydefault(默认)tobesharedwitheveryoneontheInternet.AccordingtoFacebook’svicepresidentElliotSchrage,thecompanyissimplymakingchangestoimproveitsservice,andifpeopledon’tshareinformation,theyhavea“lesssatisfyingexperience”.SomecriticsthinkthisismoreaboutFacebooklookingtomakemoremoney.Inoriginalbusinessmodel,whichinvolvedsellingadsandputtingthem,atthesideofthepages,totallytired.Whowantstolookatadswhenthey’reonlineconnectingwiththeirfriends?TheprivacyissuehasalreadylandedFacebookinhotwaterinWashington.InApril,SenatorCharlesSchumercalledonFacebooktochangeitsprivacypolicy.HealsourgedtheFederalTradeCommissiontosetguidelinesforsocialnetworkingsites.“Ithinkthesenatorrightlycommunicatedthatwehadnotbeenclearaboutwhatthenewproductswereandhowpeoplecouldchoosetousethemornottousethem,”Schrageadmits.IsuspectthatwhateverFacebookhasdonesofartoinvadeourprivacy,it’sonlythebeginning,whichiswhyI’mconsideringcancellingmyaccount.Facebookisahandysite,butI’mupsetbytheideathatmyinformationisinthehandsofpeopleIdon’tknow.That’stoohighapricetopay.语篇解读Facebook通过免费的、有趣的服务吸引着众人,但为此人们付出了沉重的代价——泄露了大量的个人信息。7.WhatdowelearnaboutFacebookfromthefirstparagraph?A.Itisawebsitethatsendsmessagestouserswhowanttogetmarried.B.Itearnsmoneybyputtingonadvertisements.C.Itmakesmoneybysellingitsusers’personaldata.D.Itprovidesloadsofinformationtoitsusers.答案C解析段落大意题。根据第一段“PeoplearebeingtrickedintoFacebookwiththepromiseofafun,freeservicewithoutrealizingthey’repayingforitbygivinguploadsofpersonalinformation.”可知本段主要讲人们被Facebook的一些幌子骗了,付出的代价是出卖了自己的个人信息。可知选C。8.WhatdoestheauthorsayaboutmostFacebookusers?A.Theyareunwillingtogiveuptheirpersonalinformation.B.Theydon’tknowtheirpersonaldataenrichesFacebook.C.Theydon’tidentifythemselveswhenusingthewebsite.D.Theycareverylittleabouttheirpersonalinformation.答案B解析推理判断题。根据第一段中“...withoutrealizingthey’repayingforitbygivinguploadsofpersonalinformation.”和第二段中“MostFacebookusersdon’trealizethisishappening...peopledon’treallyknowwhattheirpersonaldataisworth.”可知,大多数用户对个人信息泄露并不知情,他们不知道自己的信息已被出卖,而使Facebook挣了钱。故选B。9.WhydoesFacebookmakechangestoitsrulesaccordingtoElliotSchrage?A.Toprovidebetterservicetoitsusers.B.ToobeytheFederalguidelines.C.Toimproveitsusers’connection.D.Toexpanditsbusiness.答案A解析细节理解题。根据第四段“AccordingtoFacebook’svicepresidentElliotSchrage,thecompanyissimplymakingchangestoimproveitsservice,andifpeopledon’tshareinformation,theyhavea‘lesssatisfyingexperience’.”可知ElliotSchrage认为公司不断改变规则是为了提高用户体验,更好地为用户服务。故选A。10.WhydoestheauthorplantocancelhisFacebookaccount?A.Heisdissatisfiedwithitspresentservice.B.Hefindsmanyofitsusersuntrustworthy.C.Hedoesn’twanthispersonaldatabadlyused.D.Heisupsetbyitsfrequentrulechanges.答案C解析细节理解题。根据最后一段中“IsuspectthatwhateverFacebookhasdonesofartoinvadeourprivacy,it’sonlythebeginning,whichiswhyI’mconsideringcancellingmyaccount.Facebookisahandysite,butI’mupsetbytheideathatmyinformationisinthehandsofpeopleIdon’tknow.”可知,作者决定注销Facebook账户是为了保护自己的个人信息,防止个人信息被滥用。故选D。DDotheexercise15through25.Givethedifferentformsoftheverbsonpage50ofyourFrenchworkbook.Readpage12through20oftheShakespeareplay,andwhenyouhavefinishedthat,don’tforgettofillthemissingchemicalsymbolsonthePeriodicTableofElementsworksheet.Homeworkisamajorpartofgoingtoclass,andithelpsstudentsgraspimportantconcepts.Luckily,youcandoafewthingstomakehomeworklesspainful.First,besureyouunderstandtheassignment.Writeitdowninyournotebookordayplannerifyouneedto,anddon’tbeafraidtoaskquestionsaboutwhatisexpected.Itismucheasiertotakeaminutetoasktheteacherduringorafterclassthantostruggletorememberlateratnight!Second,useanyextratimeyouhaveinschooltoworkonyourhomework.Manyschoolshavestudyhallsthatarespecificallydesignedtoallowstudentstostudyorgethomeworkdone.Itisattractivetohangoutwithfriendsduringstudyperiodsorunscheduledtime,butthemoreworkyoucangetdoneinschool,thelessyouwillhavetodoatnight.Third,paceyourself.Ifyoudon’tfinishyourhomeworkduringschool,thinkabouthowmuchyouhaveleftandwhatelseisgoingonthatday,andthenbudgetyourtime.Mosthighschoolstudentshavebetween1and3hoursofhomeworkanight.Ifitisaheavyhomeworkdayanditseemslikeyouhavegotanassignmentoneverysubjectbutgymandlunch,youwillneedtodevotemoretimetohomeworkschedule,especiallyifyouareinvolvedinsportsoractivitiesorhaveanafterschooljob.语篇解读家庭作业是学习中非常重要的一部分,能够帮助学生学习很多重要的概念。文章介绍了几种让做家庭作业更轻松的建议。11.Thefirstparagraphisprobably.A.examinationitemsB.alistofhomeworkC.somet
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 承办展览展示合同范例
- 家具拉手采购合同范例
- 委托种植药材合同范例
- 监控系统维保合同合同范例
- 简易围挡合同范例
- 老旧小区改造合同范例
- 私人建房合同范例高度
- 婚宴定席合同范例
- 水电临时用工合同范例
- 演员安全合同范例
- 自动化仪表联锁摘除投用制度
- 护士身体不适申请调换岗位申请书(通用6篇)
- 农村经济管理 课件
- 教学第8章-Kmeans聚类算法课件
- traveling-around-the-world的英语知识课件
- PS基础教程课件
- 六年级上科学苏教版17钢筋混凝土与现代建筑业课件
- 中国古陶瓷鉴赏课件
- 最新 麻醉相关危重症急抢救流程与流程图
- 小学心理健康教育人教六年级下册目录生命只有一次教学设计
- 幼儿园中班语言《小兔子开铺子》课件
评论
0/150
提交评论