国家开放大学《理工英语4》在线作业、在线考试复习题及参考答案

自测1：一、选择填空：阅读下面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的最佳选项。1.—Oh.Dear!

I’velostmynewwatch.—_________________a.I’msad.b.That’sallright.c.Whatapity!2.—ThankyoueversomuchfortheAppleWatchyousentme.—________________a.Nothanks.b.I’mgladyoulikeit.c.Pleasedon’tsayso.3.—Doyoumindmyusingmymobilephonehere?—________________.a.Yes,useitplease.b.No,ofcoursenot4.Ifyouwanttodownloadthisapp,youneedtoconnectyourmobilephone_______Internetfirst.a.tob.forc.with5.Heremotelycontrolsmymobilephone_______hecansetupitforme.a.thatb.sothatc.inorderto2.—IwonderifIcoulduseyourtablettonight?—________________.I’mnotusingitrightnow.a.Itdoesn’tmatter.b.No,thankyou.c.Sure,hereyouare.3.—Howisyourbusinessgoing?—_________________a.Good,it'sgrowingallthetime.b.Thankyou.c.I’mgoingtoBeijing.4.TheBBChasjustsuccessfullydemonstrateda________radiotransmissionsystem.a.digestiveb.dignityc.digital二、阅读理解：这是客服人员帮助客服创建进入个人账户的场景，请在空格内填入字母将对话排序。A.B.C.D.E.F.G.

Johnson:Confirmed!George:It’sfreefromtheGooglePlaystoreandourRemoteServiceisofferedfreeofcharge.Johnson:Yes,IwanttosetupaGoogleaccount,couldyouremotecontrolmymobilephoneandsetupitforme?George:Samsungcustomerservice,canIhelpyou?George:NowpressOKtostartusingtheapplication.George:ThenyoushoulddownloadandinstalltheSmartTutorapp.George:Ok.First,pleasemakesureyourphoneisrunningaminimumofAndroid2.2andconnectedtotheinternet.H.I.J.

Johnson:Wheretodownloadtheapp?DoIneedpayforit?Johnson:Ientered.Thankyou.Johnson:Thankyou!Downloadfinished.D-C-G-A-F-H-B-J-E-I二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确写“T”错误写“F”。Baidu,China'sleadingsearchenginecompany,hasunveileditsowneyewearcalledBaiduEye.ItissaidtobeadifferentproductfromGoogleGlassintermsoffunctionality.ThecompanydemonstratedaworkingprototypeonSeptember3atitsannualTechnologyInnovationConferenceinBeijing.ItbearsasimilaritytoGoogleGlass,butithasnoscreen.Instead,thedeviceusesacameratoscanobjects,andfocusesonanalyzinginformationarounditsuserandbeamingthattoasmartphone.Baidusaysthedeviceisdesignedtosupportimagesearch.Thecompany'sCEORobinLibelievesinfiveyears'time,peoplewillgetusedtosearchingbyimageandaudioratherthantext.LihasgivenanexampleofhowonecantakeadvantageofBaiduEye,"Ifyouareinashoppingmallandcomeacrossawomanwhoseskirtlooksreallyattractive,youtakeaphotoofherskirtusingBaiduEye,andyou'llgettoknowwheretobuyoneforyourself."AccordingtoKaiserKuo,Baidu'sdirectorofinternationalcommunications,BaiduEyecanalsorecognizevoiceandgesture,"Youcanusevoicecommands,orgesturecommands-likeexpandingtozoom,orcirclinganobjectinyourfieldofviewwithyourfinger."BaiduisyettoannounceareleasedateormarketingplansforBaiduEye.1.BaiduisChina'sleadingsearchenginecompany.（T）2.BaidulaunchedaproductthathasmorefunctionsthanGoogleGlassonSeptember.(F)3.BaiduEyecanscanobjectswithitssmallscreen.(F)4.Thecompany’sCEORobinLibelievesthatpeoplewillgetusedtosearchingbytext.(F)5.BaiduhasalreadyannouncedthereleaseofBaiduEye.(F)自测二一、选择填空：阅读下面的对话或句子，从A、B、C三个选项中选出一个能填1.—

Letmeintroducemyself,I’mTom.—________________.a.Itismypleasure.b.pleasedtomeetyou.c.whatapleasure.2.—Couldyougivemethe

brochureforthatmachine?—________________选择一项：a.Yes,hereyouare.b.No,thanks.c.Yes,please.3.—Perhapsyouhaveheardourproducts.Wouldyouliketoknowsomethingmore?—_________________选择一项：a.Sure.Goahead.b.Idon’tneedanything.c.I‘veheardlotaboutyou.4.Spaceships

are

stocked

with

a

variety

of___________

foods.选择一项：a.instinctb.instantc.initial5.Thescientistspokeconfidently,__________impressedmemost.选择一项：a.thatb.sothatc.which1.—Howabouthavingadrink?—_________________a.Goodidea.b.Metoo.c.Helpyourself.3.—_________________—Canyoutellmesomethingaboutyournewproduct?a.Whatdoyoudo,sir?b.whatdoyouwanttobuy?c.CanIhelpyou,sir?4.Myassistantwillnow______________themachineinaction.a.demobilizeb.domesticc.demonstrate二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。RobyMiniisjust40centimeterstall,hasalargeroundscreenforaheadandhasbeendesignedtohelpseniorcitizenslivingalone.ManufacturedbyroboticscompanyShanghaiPTInfo,thebrightlycoloredrobot,whichcosts5,000yuan($790),waslaunchedonAug14tohelpentertainandmonitorelderlypeople.InShanghailastyear,thenumberofregisteredresidentsatleast60yearsoldwas4million.Thatwasnearly30percentofthepopulation.By2018,thefigureisprojectedtoriseto5million.Withmanylivingalone,robotssuchasRobyMinicanhelpplayacrucialroleincaringfortheelderly."Itwillchangethewaypeopleinteractwithdigitalproducts,"Hongsays.FoundedinMay,ShanghaiPTInfohadalreadydonethegroundwork.Infact,theresearchteamspentthreeyearsdevelopingthespeechrecognitionsystembeforethefirmwasofficiallylaunched.With360-degreewheelshiddenunderitsbody,RobyMinicanfollowapersonthroughfacerecognitionandstrikeupaconversation,telljokesorprovideinformation.Therobotalsoworksasacomputerterminal,supplyingweatherinformation,orderinggroceriesonlineandevenbookingtaxis.RobyMinicanbeconnectedtoothergadgetsaswell,suchassmartwristbandsormagneticdevicesondoors.RobyMinicanalsoconnectanelderlyownertoadoctorthroughitshigh-definitionscreen.AlreadyShanghaiPTInfoistalkingtothreecommunityhospitalsinShanghai'sMinhangdistrict.SincetherobotislinkedtotheInternet,itcansupportlong-distanceaudioandvideocalls.MassproductionstartedthismonthandShanghaiPTInfoplanstomanufacture200,000unitsthisyear.ButthefutureisnoteasyforShanghaiPTInfo.Earlierthisyear,FlyingwingsIntelligentRobotTechnology(Shanghai)introducedamachinewithsensorsthatwillringanalarmwhenanelderlypersonfallsdown.TianjinShangjiuShengyuanTechnologyGroupalsodevelopedarobotforseniorsin2014.Ownerscanturnonthelightsandair-conditioningunitsbypressingbuttonsonthemachine.Itcanalsoremindelderlyownerstotakepills,andinformthemofhospitalcheckupsandfamilybirthdays.1.RobyMiniisthenameof（B）A.aroboticscompanyB.arobotC.aseniorcitizenlivingalone2.RobyMiniisdesignedto（B）A.helplookafterchildrenlivingaloneinseniorhighschoolB.helpentertainandmonitorseniorcitizensC.changethewaypeopleinteractwithdigitalproducts3.Accordingtothispassage,thenumberofregisteredresidentsatleast60yearsoldwillbe（C）A.4millionnextyearB.30percentofthepopulationC.increaseto5millionby20184.Thewriter

thinks“thefutureisnoteasyforShanghaiPTInfo”because（C）A.therearetoomanyelderpeopleinShanghaiB.RobyMinicannotringanalarmwhenanelderlypersonfallsdown.C.thecompanywillfacetoughcompetitioninthemarketplace5.The

besttitleforthispassageis（C）A.HowtoUseaRobotB.ElderPeopleIncreaseinShanghaiC.RobotGivesHelptoOlderPeople自测31.—

Isitbettertobephysicallyattractiveorintelligent?—

.a.Yes,itisveryattractive.b.No,itisnotattractive.c.Forme,beintelligentisbetter,butthatdependson.2.

What's____

issuehereisthedifferencebetweencosmeticandplasticsurgery.选择一项：a.atb.onc.in3.Althoughplasticsurgeryiscreatedtoimprovethelooksofaperson,thereareacertainpercentageof____.A.effectB.resultsC.consequences4.——

Doyouthinkcosmeticsurgeryismorepopularwithwomen?.a.No,menarepopularthanwomen.b.Yes,womenaremorepopularthanmen.c.Yes，absolutely.Because

womenpaymoreattentiontobeauty.5.——

Whatadvicewouldyougivetoafriendwhowantscosmeticsurgery?.a.Iwouldadvisethem

nottohavethatsurgery,because

theyareverywell.b.Ic.I

wouldtellthemthattherearemanyrisksandmuchcostofthathavenothingtogivetomyfriends.

surgery.1.—Wouldyouhavecosmeticsurgeryifitwasfree?—

.a.No.Gooddietandexercisearegreatalternatives.b.Yes,Iwouldnothaveit.c.No,Iwouldhaveit.2.Theplasticsurgeonmayprovideseveralplansforyourfacial____A.reconstructedB.reconstructionC.reconstruct3.Cosmeticsurgeryinvolves____reshapingthebodyfeatures.选择一项：A.inB.atC.on1.—Ihaveascaronmyface,soI’vemakeupmymindtohaveaplasticsurgery.—

.a.Goodidea.b.I’venoidea.c.Amazing.2.Itishardforanywomantoresist____herselfmorebeauty.a.makeb.madec.making3.Youwillgetyourcosmeticsurgeryonyournose.Pleasetellmeifyoulikethismedicalplan_____.A.ornotB.doyouC.OK二、阅读理解：阅读下面的对话，选择合适的内容将对话补充完整。Henry:

Goodafternoon!

Lucy,Iamtellingyou

somethingurgent.

Wehavefound

severalcasesofgoldenstaphinfected

inourpatients.Theywere

causedby

yourproducts.Lucy:Areyousure?Ourbandagesareverysafe（C）Henry:Iknow

that.But

onlypatientswhohaveusedyour

bandagesareinfected.Lucy:Allofourproductswere

madewiththe

utmost

care（A）Andwhydidn’tyouputthebandagesintothesterilizerbeforeyouusedHenry:Lucy,（E）

them?I’vealreadyasked

thehospital

todoare-examinationofyoursuppliesright

now.Lucy:Henry,you’re

makingthingsdifficult.Henry:Thesafetyofourpatients

is

mostimportant,（B）Lucy:ButIhavealreadyposted

yourrecentorder.Theyarenow

ontheway.Henry:Sorry,Lucy.

Assoonasthey

arrive,（E）A.Maybetheywerepollutedinyourhospital.B.soIwillstopallorderswithyourcompany.C.Thisisthefirsttimewe’vereceivedacomplaintofthisnature.D.theywillbereturnedtoyourfactoryimmediately.E.it’syourjobtodothat,notours.二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确写“T”错误写“F”。Passage1(教材课文原文)Withateenywaist,exaggeratedbreasts,icy-blueeyes,21-year-oldValeriasayssheistherealnaturaldeal.Areal-lifeBarbie,thatis.That’swhatsheclaimsanyway,butmanypeopledoubttoherclaims.WhethersheunderwentplasticsurgeryorusesPhotoshopremainsunclear.Onherblog,themodelnotesthatsheisthemostfamouswomanontheRussianInternetbecauseofherdoll-likeappeal.HundredsofphotosonherFacebookpageshowawide-eyed,nearlyfake-lookingValeriaposinginavarietyofoutfits.Themodeldidnotreturnrequestsforcomment.IfPhotoshopisnotafactoringettingValeria’slook,shelikelyunderwentabarrageofplasticsurgery.ThepresidentofAmericanSocietyofPlasticSurgeons（ASPS）said,plasticsurgeryshouldneverbeusedtotransformoneselfintoafavoritecelebrityor,inthiscase,aplaytoy.Healsowarnspatientstokeepinmindthatplasticsurgeryisrealsurgerywithrealrisks,justaswithanyoperation,sothedecisionshouldnotbetakenlightly.1.Valeriathinksthatsheisareal-lifeBarbie.回答（T）2.Valeriausedtoacceptplasticsurgery.回答（F）3.ValeriawritesthatsheisthemostfamouswomanontheRussianInternetbecauseshepostsalotofpicturesonherblog..（F)4.TheauthorthinksValerianeitherPhotoshopsher,noracceptsaseriesofplasticsurgery.回答（F）5.ThepresidentofASPSthinksthatplasticsurgeryisofrisks.回答（T）自测41.—Doyoulikethattechnologyexhibition?—Yes,Ilikeitverymuch..A.Itfinallycomestrue.B.Itshowsmetheimpressivemagicpowerof3Dprinting.C.Itisagoodchance.2.—Doyoupreferaportableoraclumsy3Dprinter?—

.A.No,aportable3Dprinterismoreuseful.B.Yes,Iwouldnothaveaclumsyone.C.Ipreferaportableonetoaclumsyone.3.—Theyaretestingthe3Dprinter.Don’tyoucomeandseeit?—What?A.Whereisitdisplayed?B.Itreallymatters.C.That’sfine.4.Touch-____3Dmapshelptheblindtoomuch.A.responsiveB.speakingC.listening5.____thenewlawisusedoneday,Ihopeitwillnotpunishpeopleusing3Dprintersforpersonalpurposes.A.whenB.whyC.If2.—3Dprinting

isoneofthelatesttechnological

innovations.—

____

Maybeitsfunctionsarequestionable.A.Really?B.Exactly.C.Ithinkso.4.Thereare____callsforlawmakerstoconsidercopyrightlaws.A.increaseB.increasingC.increased5.She’sbeeninterestedincomputerscience____shewaseight.A.beforeB.sinceC.ago二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。（课外资料）Inthegrass,ababyduckwashatched(孵化)outinacollegebiologylabwithabackwardleftfoot.Atthetime,itprobablywouldn’thavesurvived,ifMikeGarydidn’trecommendaproperoperationtocutoffthatbadfoot.Monthsafterthehealingprocess,engineersatNovacopyCompanyproduceda3Dprintedmodelthatwouldbeusedtocreateaprosthetic(修复的)footfortheduck.ConsideringthatABSplasticswerenotflexibleenoughforthistypeofexercise,theNovacopycompanymadeathree-dimensionallymodeledfootmadeofsilicone,withthehopetocreateapermanentprosthesis(假肢)fortheduck.Ittookjust13hourstoproduce.This3Dprosthesisdemonstratedthe3Dtechnologiescanbeusednotonlyforhumanapplication,butalsoinforeignsubjectssuchasanimalsandothermedicaltreatments.1.Wherewasthebabyduckhatchedout?回答A.Inacollegebiologylab.B.Inabackyard.C.InNoacopyCompany.2.Whatwaswrongwiththebabyduck?回答A.Itdidn’tsurvived.B.Itwasbornwithabackwardleftfoot.C.MikeGarycutoffthatbadfoot.3.CouldABSplasticsbeusedtoproducea3Dprintedmodelthatwouldbeusedtocreateaprostheticfootfortheduck?回答A.No,becauseABSplasticswerenotflexibleenough.B.Yes,butitcouldonlybeproducedbyNovacopyCompany.C.Yes,becauseitwasmadeofsilicone.4.Howlongdidittaketocreateapermanentprosthesisfortheduck?回答A.10hours.B.13hours.C.30hours.5.Whatdidthelastsentenceofthispassageindicate?回答A.3Dtechnologiescanbeusedonlyforhumanapplication.B.3Dtechnologiescanbeusedonlyforforeigners.C.3Dtechnologiescanbeusedtohuman,animalsandothermedicaltreatments.自测51.—Oh,bytheway,howwasyourreportofthenewbatteriescomingalong?—___________________________.A.It'sgoingprettywellB.JustgoaheadC.Well,I'mafraidso2.—Whaterrandsdidyouhavetodotoday?—___________________________.A.I’minnohurryB.Doneone,andanotheronetodo.C.Youcan’tbeserious3.—Goodmorning,Jeff.WouldyoumindgoingtogetmeacupofcoffeeattheStarbucks?—___________________________A.Thankyouforremindingme.B.Noproblem!Youwanttheusual?C.Youmustbejoking.4.______thinkingistheheartoftheartisticdesign.A.CreativeB.StrictC.Hateful5.Theboxisholdthesethings.A.toosmallnottoB.toosmalltoC.sosmallto2.—Youknowagoodschedulebringsefficiencytothework.—___________________________.A.Notatall.Ienjoyedit.B.Iseeyourpoint.C.Ithinkit'sabadidea.4.Hewouldmuch______itifyoucoulddohimthefavor.选择一项：A.awardB.applyC.appreciate二、1.阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。（课外选材）Whencomputerserversoperateacomplexprogram,theycangetveryhot.Coolingtheserverscanbecostly.Soresearchersaskedwhatwouldhappeniftheheatcreatedbytheserverscouldbecapturedandused?DatacentersoflargeInternetcompaniessuchasGoogleandMicrosofthavethousandsofcomputerservers.Astheseserversprocessinformation,theycreatelargeamountsofheat,sotheyneedhugecoolingsystems.Thesesystemssendtheheatintotheair.TheDutchcompanyNerdalizethinkspayingforelectricitytooperatetheserversandthenpayingagaintocoolthemisawasteofenergy.Soitdevelopedadevicecalledthee-Radiator.Itisacomputerserverthatalsoworksasaheatingsource.BoazLeupeisthechiefexecutiveofficerofNerdalize.Hesaysthee-Radiatorsavesmoneybecausecompaniesdon'thavetopaytocooltheirservers."Thekilowatt（千瓦）houryouareusingisusedtwice--oncetoheatthehomeandoncetocomputetheclient'staskwithoutthecoolingoverhead."HesaysfivehomeownersintheNetherlandsaretestingtheheatingdeviceintheirhomes."Wereimbursetheelectricitytheserveruses,andthatwecandobecauseofthecomputerclientsontheotherside,and,inthatway,homeownersactuallygetheatingforfree,andcomputerusersdon'thavetopayfortheoverheadofthedatacenter."JanVisserisoneoftheparticipantsintheyear-longexperiment.Hesaystheamountofheatproducedbythee-Radiatordependsontheworkbeingdonebythecomputerserver.Hesaysitcannotbeusedastheprimarysourceofheat.Butheisreadytotryit.Hesaysifitprovidesenoughwarmth,hewillbeabletousehishome'sheatingsystemless,whichwillsavehimmoney.Nerdalizesayse-Radiatorscreateheattemperaturesofupto55℃.Itsaysthedevicescouldsaveusersupto$440inheatingcostsayear.1.Whydidresearchersaskwhatwouldhappeniftheheatcreatedbytheserverscouldbecapturedandused?回答A.Becausecomputerscangetveryhot.B.Computerserversisacomplexprogram.C.Coolingcomputerserverscostsalotofmoney.2.ThecomputerserversinlargeInternetcompaniessuchasGoogleandMicrosoftcanA.createlargeamountsofinformationB.createlargequantityofheatC.managethehugecoolingsystems3.Nerdalizedevelopedthee-Radiatorbecause回答A.e-RadiatorcostlessenergyB.e-RadiatorcancooltheserversforfreeC.e-Radiatorcancreatecoldairforfree4.AccordingtoJanVisser,theamountofheatproducedbythee-Radiator回答A.dependsontheworkbeingprocessedbyPCB.cannotbeusedasthehome'sheatingsystemC.cannotbeusedasthemainsourceofheat5.Thebesttitleforthispassageis回答A.TheNewWaytoHeatHomesB.TheNewWaytoCoolHomesC.HotComputersCouldBeUsedforFree二、2.阅读理解：阅读下面的对话，选择合适的内容将对话补充完整。（教材对话原文）Jeff:Morning,Roger.Roger:Goodmorning,Jeff.回答（D）WouldyoumindgoingtogetmeacupofcoffeeattheStarbucksacrossthestreet?Iknowyoujustgothere,butIwouldreallyappreciateit.Jeff:回答(

C)Roger:Yes.Impressedthatyouremember!Jeff:YourflavourIneverforget.Jeffleavestogogetacoffee,andthencomesbackwithit.Jeff:Hereyougo,Roger.Roger:Thanks.Oh,Jeff,回答(B)withtheopeningspeechI'mgivingnextweekatourcompany.Jeff:Well,it'sprettybusythismorning,butI'llhavesometimebetweenfiveandsixp.m.Wouldthatbeokay?Roger:回答(E)I'mgoingtotalkaboutthenewenergystoragematerial,andIthinkyouhaveanexcellentgraspofthesubject.Jeff:Thankyou.Roger:Oh,bytheway,回答(A）?Jeff:It'sgoingprettywell.Roger:I'dliketoseeitsometime.Doyouthinkyoucouldgetitonmydeskby4p.m.today?Jeff:Noproblem.I'llgetittoyou.Roger:Great.Haveagoodone,Jeff.Jeff:Youtoo.A.howwasyourreportofthenewbatteriescomingalong?B.I'dappreciateitifyoucouldhelpmeC.Noproblem!Youwanttheusual?D.It'sgoodtoseeyou.E.Yes,thatwouldbegreat.自测61.—I'mleavingforShanghaitomorrow.—_________________________A.Bringmeapresent.B.Haveapleasanttrip!C.Let'sgooutforadrink.2.—Thisapplepieistoosweet,don'tyouthinkso?—_________________________.Ithinkit'sjustright,actually.A.NotreallyB.IhopesoC.Soundsgood3.—Whatareyougoingtodothisweekend?一_________________________.Iftimepermits,ImaygotoShanghaiwithmyfriends.A.ItdependsB.Itdoesn'tmatterC.Forgetit4.He______hisbaggageamonghundredsofothers.A.awareB.identifiedC.consciousof5.______nomoderntelecommunications,wewouldhavetowaitforweekstogetnewsfromaroundtheworld.A.WerethereB.IfthereareC.Iftherehavebeen4.Ifyouhaveany______newsofmyhusband,pleaseletmeknow.A.definiteB.definitelyC.define4.Icouldn'tstandLondon!Bloody______place.A.splendidB.awesomeC.awful5.Sheis______tallasyouare.A.notB.soC.as二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确写“T”错误写“F”。课外选材WideWorldofRobotsEngineerswhobuildandprogramrobotshavefascinatingjobs.Theseresearcherstinker(修补)withmachinesinthelabandwritecomputersoftwaretocontrolthesedevices."They'rethebesttoysoutthere,"saysHowleChosetatCarnegieMellonUniversityinPittsburgh.Chosetisaroboticist,apersonwhodesigns,buildsorprogramsrobots.WhenChosetwasakid,hewasinterestedinanythingthatmoved--cars,trains,animals.HeputmotorsonTinkertoycarstomakethemmove.Later,inhighschool,hebuiltmobilerobotssimilartosmallcars.Hopingtocontinueworkingonrobots,hestudiedcomputerscienceincollege.ButwhenhegottograduateschoolattheCalifomiaInstituteofTechnologyinPasadena,Choset'slabmateswereworkingonsomethingevencoolerthanremotelycontrolledcars:roboticsnakes.Somerobotscanmoveonlyforward,backward,leftandright.Butsnakescantwist(扭曲)inmanydirectionsandtraveloveralotofdifferenttypesofterrain(地形)."Snakesarefarmoreinterestingthanthecars,"Chosetconcluded.AfterhestartedworkingatCarnegieMellon,Chosetandhiscolleaguestherebagandevelopingtheirownsnakerobots.Choset'steamprogrammedrobotstoperformthesamemovementsasrealsnakes,suchasslidingandinchingforward.Therobotsalsomovedinwaysthatsnakesusuallydon't,suchasrolling.Choset'ssnakerobotscouldcrawl(爬行)throughthegrass,swiminapondandevenclimbaflagpole.ButChosetwonderedifhissnakesmightbeusefulformedicineaswell.Forsomeheartsurgeries,thedoctorhastoopenapatient'schest,cuttingthroughthebreastbone.Recoveringfromthesesurgeriescanbeverypainful.Whatifthedoctorcouldperformtheoperationbyinsteadmakingasmallholeinthebodyandsendinginathinroboticsnake?ChosetteamedupwithMarcoZenati,aheartsurgeonnowatHarvardMedicalSchool,toinvestigatetheidea.Zenatipracticedusingtherobotonaplasticmodelofthechestandtheytestedtherobotinpigs.AcompanycalledMedroboticsinBostonisnowadaptingthetechnologytosurgeriesonpeople.Evenafter15yearsofworkingwithhisteam'screations,"Istilldon'tgetboredofwatchingthemotionofmyrobots,"Chosetsays.1.Chosetbegantobuildrobotsinhighschool.回答（T）2.Snakerobotscouldmoveinonlyfourdirections.回答

（F）3.Chosetdidn'tbegindevelopinghisownsnakerobotsuntilhestartedworkingatCarnegieMellon.回答

（T）4.Zenatitestedtherobotonpeopleafterusingitinpigs.回答

（F）5.TherobotictechnologyforsurgeriesonpeoplehasbroughtahandsomeprofittoMedrobotics.回答

（F）二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。Somethingelsethatcouldbecomingsoontoavehiclenearyou.Moretechnology.Thekindthatcouldhelpyourcartalktoothersaroundit.回答(B.Unlike)someproposedcarsofthefuturesitwouldnotactuallydothedrivingforyou.Butitcouldwarnyouaboutwhatotherdriversaredoing.TheU.S.governmentmayrequirethisfeatureinthefuture,butitwould回答(A.addto)thecostofthecar.It'sthevehicleofthefuture,carsthattalktothedriverandeachother.TheU.S.governmentwantsitontheroadsoon,回答(B.pushingfor)technologythatwouldwarndriversofdangercomingfromanydirection.It'scalledvehicletovehicletechnology.Carswouldsendwirelessmessagetoeachother回答(C.within)about300-yard.Communicatinginformationlikespeed,directionandGPSpositiontentimespersecond.Whencarssharethisinformation,theycan回答(C.accoutfor)allthevehiclesaroundthem,whichmeanstheyareabletoidentifypossiblecrashes.自测71.—WhatisU.S’sexperienceinfoodsafetymanagement?—

.A.U.S.dobetterinthispointB.TheyareimprovingthelegalsystemallthetimeandverystrictinlawenforcementC.Someillegaltraderscareaboutnothingbutmakingmoney2.—Whatwouldyouliketohaveforbreakfast?—

Wouldyouliketohaveataste?A.Twistedcruller,IboughtitthismorningB.IalreadyhadmybreakfastC.Breakfastisthemostimportantmealoftheday3.—Doyoueatporridgeeveryday?—A.PorridgeismyfavoriteB.No,sometimesI’dhaveacupofsoybeanmilk,aboiledeggandasteamedbunformybreakfastC.Iseldomeatfastfoodbecauseit’srichinfat4.ModernMeadowisastartupthatengineerstissuestocreatelab-grown_____meat.A.edibleB.editableC.edify5.Theyshouldnevertrytopursueprofithealthandlifeofpeople.A.intermsofB.atsightofC.attheexpenseof1.—Ithinktheotherreasoncanbeidentifiedfromtheindustrializationoffoodproduction.—

Someillegaltraderscareaboutnothingbutmakingmoney.A.ThatbothersmetooB.IsincerelyhopethatthewholesocietypaymuchmoreattentiontofoodsafetyC.Yes,youbet2.—Sohowcanwebuysafefood?—A.Thehighertheprice,thesaferthefoodB.WecanplantvegetablesandfruitsbyourselvesC.Whenwechoosefood,wemustremembertocheckitstag,confirmingwhetherthebasicinformationismarkedonit4.Animalfarmingabouthalfofallhuman-causedgreenhousegases.A.countforB.accountsforC.counton5.SomeillegaltraderscareaboutnothingbutA.tomakemoneyB.makingmoneyC.mademoney5.This,theyargue,willbeessentialto

.theneedsofaboomingpopulationindecadestocomeandavoidingstarvation.A.meetB.meetingC.met二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。（课外选材）Accordingtoexperts,theadvantageofmodifiedfoodisthatithelpsinpreventingtheoccurrenceofallergiesandalsohasalongshelflife.However,amajorportionofthepopulationisagainsttheconsumptionofgeneticallymodifiedfoodandisconcernedaboutitsdisadvantages.Ifyouarealsoconfusedabouttheconsumptionofgeneticallymodifiedfood,readthroughtheprosandconsgivenbelowanddecideforyourself.AdvantagesofGeneticallyModifiedFoods●Oneofthemostprominentadvantagesofgeneticallymodifiedfoodisthatithelpsincontrollingtheoccurrenceofcertaindiseases.Certainfoodscauseallergytopeople.TheirgeneticmodificationalterstheDNAsystemofthesefoods,therebymakingthemnon-allergic.●Anothermajoradvantageofsuchtypeoffoodsisthattheygrowfasterthantheirtraditionallygrowncounterparts.Asaresult,thereisgreaterproductivityandmorefood.●Apersonneednotbotheraboutanyadditionalcosts,suchasbuyingchemicalsandpesticides,whenitcomestogeneticallyengineeredfood.Thefoodisnaturallypest-resistant.●Farmingthesefoodscanbeagreatwaytofightworldhunger.Sincethesecropsgrowfasterormoreeffectively,increasedproductionwouldhelpcountrieswhereincropsmaynotnormallyprosperbecauseoflessthandesirableenvironmentalconditions.●Theincreasedshelflifeofthesefoodproductshelpsinreducingthequantityofrottenfood.DisadvantagesofGeneticallyModifiedFoods●Thebiggestdisadvantageofgeneticallymodifiedfoodisthattheyhaveharmfuleffectsonthe