选择性必修第一册Unit5WorkingtheLandⅠ.阅读理解AItwasanearlyblowtomyself-confidence.Iwasattendingmyfirstgroupmeetinginthelabasapostdoc,andIwaspleasedthatIcouldfollowmostofthediscussion.Then,infrontofeveryone,theprofessorturnedtomeandaskedaboutmypreviousaccomplishments.Ifroze.AsaPhDstudent,Ihadachievedlotstobeproudof.ButallofthosewereinmyhomecountryofBrazil.NowIwasinWashington,DCandIdidn’tknowwhattheword“accomplishment”meant.SoallIcouldsaywas“Idon’tknow”.IhaddecidedtodoapostdocabroadbecauseIthoughtthetrainingwouldhelpmesecureateachingposition.IappliedforandreceivedaBraziliangovernmentfellowshiptospend18monthsworkingabroadandgotapositioninalab.Itallseemedsoeasy—untilIactuallystarted.Inanewcountry,Istruggled.Afterthemortifyinglabmeetingincident,myconfidencetookanotherhit.ThepaperIintendedtopublishdidnotmaterialize.Iusedtobeinvitedtogivetalks.Now,Iwasaskedtospeakmoreslowlybecauseofmyaccent.Myconfidencewasdestroyed.Aftermonthsofself-doubt,IremindedmyselfthatIhadpotential.Ineededtodosomethingtoregainmyconfidence.IthoughtachangeofenvironmentmightbewhatIneeded.SoImadethemove.Inanothernewlab,Istillfeltinsecure.However,IwasdeterminedtomakethemostofthetimeIhad.Thereweremoreopportunitiestointeractwithothers,whichforcedmetotalkmore.Itwasawfulatfirst,butwithpracticeIbegantofeelmoreconfidentinmyEnglish.Iproposednewprojects.Ibegantoreceivepositivefeedbackonmypresentations.Myconfidenceisback.IfeelalittlelikeWonderWoman.Shewasastrongsoldierinherhomeland.Whensheleft,sheexperiencedobstaclesandfailuresonlytobecomeevenstrongerthanbefore.语篇解读本文是一篇记叙文。文章主要讲述了作者在国外做博士后的经历,打击和磨难让作者变得更加坚强和自信。1.Whatdoestheunderlinedword“It”inparagraph1referto?A.Ididn’tgiveaproperresponseinalabmeeting.B.ThepaperIintendedtopublishdidnotmaterialize.C.Iwasaskedtospeakmoreslowlybecauseofmyaccent.D.IremindedmyselfthatIhadpotential.答案A解析代词指代题。根据第一段可知,作者作为博士后参加了实验室的第一次小组会议,当被问到以前的成就,她愣住了,没有给出合适的回答。这件事让她的自信心受到了打击。故选A。2.Whatwastheauthor’sreactionwhenaskedaboutherpreviousachievements?A.Shefeltinsecure.B.Shekeptsilent.C.Shewasataloss.D.Shefeltproud.答案C解析细节理解题。根据第一段中“NowIwasinWashington,DCandIdidn’tknowwhattheword‘accomplishment’meant.SoallIcouldsaywas‘Idon’tknow’.”可知,当被问及她以前的成就时,作者不知所措。故选C。3.Whydidtheauthorgoabroad?A.Toapplyforgovernmentfellowship.B.Togetadoctor’sdegree.C.Tobuildherownlab.D.Togainexperienceforaposition.答案D解析细节理解题。根据第二段的“IhaddecidedtodoapostdocabroadbecauseIthoughtthetrainingwouldhelpmesecureateachingposition.”可知,作者出国是要为一个职位积累经验。故选D。4.Whatcanbethebesttitleforthetext?A.ALabMeetingIncidentB.IFoundMyInsideWonderWomanC.Brazilians’ConfidenceImprovedD.PoorEnglishRuinedOpportunity答案B解析标题归纳题。通读全文,尤其是根据最后一段的“Myconfidenceisback.IfeelalittlelikeWonderWoman.”可知,经历一番打击后,作者并没有灰心,而是果断采取行动,经过努力,她变得更加坚强和自信,感觉自己就像神奇女侠。所以B项“我找到了我内心的神奇女侠”适合作文章标题。故选B。BYouimproveyourrobot’ssoftwarebyimprovingitssoftware.AgrimGuptaofStanfordUniversity,however,begstodiffer.Hethinksyoucanalsoimprovearobot’ssoftwarebyimprovingitshardware.Heandhiscolleagueshaveinventedawayoftestingthisidea.Theybroughttotheirrobots,unimals,theprinciplesofevolution(进化)bynaturalselection.Unimals,withglobesforheadsandsticksforarmsandlegs,aresoftwarebeingsinteractingwithavirtualenvironment.Theenvironmentswheretheywanderedwereinthreevarieties:flatgrounds,groundswithhillsandsteps,andonesthathadthecomplexitiesofthesecondsort,butwithaddedobjects.Tobeginwith,theunimalswererandomlyassignedvariousshapes,butwithidenticalsoftware—derl.Newly-createdunimalslearnedtofacethechallengesinavirtualbootcamp.Theywerethenenteredintotournamentsingroups.Eachgroupwinnerwasawardedonemutation(变异)—oneextraarmorleg,oroneextraturninginajoint.Thenewreplacedtheoldestunimalandthenwasassignedtoanewgroup,andtheprocessrepeated.About4,000varietiesofthemunderwenttraining.Theteamweresurprisedbythediversityofshapesthatevolved.Crucially,though,theresearchersfoundthemostsuccessfulunimalslearnedtasksinhalfthetimetheiroldestancestorshadtaken,andthatthoseevolvinginthetoughestgroundswerethemostsuccessful.Inthisevolutionofunimals’morphology(形态)topromotetheabilitytolearn,DrGuptaseesaversionofsomethingcalledtheBaldwineffect.In1896JamesBaldwin,apsychologist,arguedthatmindsevolvetomakethebestuseofthemorphologiesofthebodies.WhatDrGuptahasshown,thoughinsoftware,isthattheoppositecanalsobetrue—changesinbodymorphologycanimprovethewaymindswork.Eventhoughheheldthesoftwareconstant,itbecamemoreefficientatlearningastheunimals’bodiesevolved.Whetherthatdiscoverycanbeturnedtoaccountinthewayrobotsaredevelopedremainstobeseen.Butthewayoftestingiscertainlyanout-of-the-boxidea.语篇解读这是一篇说明文。文章主要讲了斯坦福大学的阿格里姆·古普塔认为可以通过改进硬件来改进机器人的软件,他和他的同事们发明了一种方法来验证这个想法。5.Howwasthetestconducted?A.Bypromotingunimals’learning.B.Byadjustingtheenvironments.C.Byprovingtheevolutiontheory.D.Bystimulatingunimals’mutation.答案B解析推理判断题。根据第二段最后一句可推知,这个试验是通过调整环境来进行的。故选B。6.Whatturnedouttobesurprisinginthetest?A.Thenumberoftrainedunimals.B.Thedeclineintimeforlearningtasks.C.Thevarietyofevolvedshapes.D.Thereplacementofoldunimals.答案C解析细节理解题。根据第四段第一句“Theteamweresurprisedbythediversityofshapesthatevolved.”可知,测试中令人惊讶的是进化出的各种形状。故选C。7