国家开放大学理工英语4形考参考答案

理工英语4·单元自测1（10分）Unit1Self-test您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。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。（难易度:中）2.—ThankyoueversomuchfortheAppleWatchyousentme.—________________单选题(10.0分)（难易度:中）A.

Nothanks.B.I’mgladyoulikeit.C.

Pleasedon’tsayso.正确答案：B答案解释：暂无3.—Doyoumindmyusingmymobilephonehere?—________________.

单选题(10.0分)（难易度:中）A.Yes,useitplease.B.No,ofcoursenot正确答案：B答案解释：暂无4.—Howisyourbusinessgoing?—_________________单选题(10.0分)（难易度:中）A.Good,it'sgrowingallthetime.B.Thankyou.C.I’mgoingtoBeijing.

正确答案：A答案解释：暂无5.TheBBChasjustsuccessfullydemonstrateda________radiotransmissionsystem.

单选题(10.0分)（难易度:中）A.digestiveB.dignityC.digital正确答案：C答案解释：暂无6.Heremotelycontrolsmymobilephone_______hecansetupitforme.

单选题(10.0分)（难易度:中）A.thatB.

sothatC.inorderto正确答案：B答案解释：暂无7.二、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。TesseraMultimediawasfoundedin1997andspecializesindesignand

1

ofweb,multimediaandmobileapplications.WithheadquartersinThessaloniki,TesserahasdevelopedbusinessactivitiescoveringthewholeGreeceandhasdevelopedasignificantpartnernetworkandalargecustomerbase

2

investinginlong-termrelationshipsoftrustandreliability.Ourcompanyhasdesignedandsuccessfullyimplementedasignificantnumberofcomplexsoftware

3

inawiderangeofsectors.Tesserahasgainedexceptionalexperienceindesigningwebsitesandportals,educationalgames,e-commerceapplicationsandmobileapps.Tesseraseekstobealways

4

withcurrenttrendsandadvancementsinsoftwaretechnology,constantlyinvestinginnewtechnologiesandhumanresources.

Thedevelopmentdepartmentconsistsof

5

staffensuringhighquality,integratedservices.Atthesametime,ourpersonnelistrainedsystematicallyindeployingnewtechnologies,aimingthatourproductionsarealwaysonthecuttingedgeoftechnology.完形填空题(50.0分)（难易度:中）(1)A.developmentB.developC.developed(2)A.byB.onC.with(3)A.projectionB.projectC.projects(4)A.keepintouchB.uptodateC.contact(5)A.newB.qualifiedC.temporary正确答案：(1)A(2)A(3)C(4)B(5)B答案解释：暂无

理工英语4·单元自测2（10分）Unit2Self-test您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。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。（难易度:中）2.—

Letmeintroducemyself,I’mTom.—________________.单选题(10.0分)（难易度:中）A.Itismypleasure.B.pleasedtomeetyou.C.whatapleasure.正确答案：B答案解释：暂无3.—Perhapsyouhaveheardourproducts.Wouldyouliketoknowsomethingmore?—_________________单选题(10.0分)（难易度:中）A.Sure.Goahead.B.Idon’tneedanything.C.I‘veheardlotaboutyou.

正确答案：A答案解释：暂无4.—Couldyougivemethe

brochureforthatmachine?—________________单选题(10.0分)（难易度:中）A.Yes,hereyouare.B.No,thanks.C.Yes,please.正确答案：A答案解释：暂无5.Myassistantwillnow______________

themachineinaction.单选题(10.0分)（难易度:中）A.demobilizeB.domesticC.demonstrate正确答案：C答案解释：暂无6.Theybuiltarobotcapableof___________

spokencommands.

单选题(10.0分)（难易度:中）A.understandB.understandingC.understood正确答案：B答案解释：暂无7.二、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.

RobyMiniisthenameof.

1

A.aroboticscompanyB.arobotC.aseniorcitizenlivingalone2.RobyMiniisdesignedto.

2

A.helplookafterchildrenlivingaloneinseniorhighschoolB.helpentertainandmonitorseniorcitizensC.changethewaypeopleinteractwithdigitalproducts3.Accordingtothispassage,thenumberofregisteredresidentsatleast60yearsoldwillbe.

3

A.4millionnextyearB.30percentofthepopulationC.increaseto5millionby20184.Thewriter

thinks“thefutureisnoteasyforShanghaiPTInfo”because.

4

A.therearetoomanyelderpeopleinShanghaiB.RobyMinicannotringanalarmwhenanelderlypersonfallsdown.C.thecompanywillfacetoughcompetitioninthemarketplace5.The

besttitleforthispassageis.

5

A.HowtoUseaRobotB.ElderPeopleIncreaseinShanghaiC.RobotGivesHelptoOlderPeople完形填空题(50.0分)（难易度:中）(1)A.AB.BC.C(2)A.AB.BC.C(3)A.AB.BC.C(4)A.AB.BC.C(5)A.AB.BC.C正确答案：(1)B(2)B(3)C(4)C(5)C答案解释：暂无

理工英语4·单元自测3（10分）Unit3Self-test您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。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。（难易度:中）2.—

Isitbettertobephysicallyattractiveorintelligent?

—

.

单选题(10.0分)（难易度:中）A.Yes,itisveryattractive.B.No,itisnotattractive.C.Forme,beintelligentisbetter,butthatdependson.正确答案：C答案解释：暂无3.Itishardforanywomantoresist____herselfmorebeauty.单选题(10.0分)（难易度:中）A.makeB.madeC.making正确答案：C答案解释：暂无4.Cosmeticsurgery

involves____reshapingthebodyfeatures.单选题(10.0分)（难易度:中）A.inB.at

C.on正确答案：A答案解释：暂无5.—Ihaveascaronmyface,soI’ve

makeupmymindtohaveaplasticsurgery.—

.单选题(10.0分)（难易度:中）A.Goodidea.B.I’venoidea.C.Amazing.正确答案：A答案解释：暂无6.—

Doyouthinkcosmeticsurgeryismorepopularwithwomen?—

.

单选题(50.0分)（难易度:中）A.Yes,womenaremorepopularthanmen.B.Yes，absolutely.Because

womenpaymoreattentiontobeauty.C.No,menarepopularthanwomen.正确答案：B答案解释：暂无7.二、阅读理解：阅读下面的短文，选择合适的内容将短文补充完整。

A.Incaseofanyclarifications

B.Duringthethreemonths’probationperiodwithourcompany

C.whichindicatesthecosttocompany

andotherbenefits

D.Congratulationsonyourcontinuoussuccess.

E.Wearehappytoinformyouthatyouhavebeenconfirmedtothepositionofsalesmanageratourcompany

1th,May

2016Room3544LondonStreetVancouver,

424495

DearMrs.SueRead,

1

.Yoursalaryhasbeenrevisedto$1,000permonthwitheffectfromtheconfirmationdate

2

.

3

,wehavereviewedyourperformanceandarepleasedwithyourperformance.Youhaveachievedallyourtargetsandfinishedallyourworkintime.

4

,pleasereachthegeneral

manager.Histelephonenumberis

+86-10-42823957.E-mail:billsales@.

5

.Regards,Bill

Smith

完形填空题(10.0分)（难易度:中）(1)A.AB.BC.CD.DE.E(2)A.AB.BC.CD.DE.E(3)A.AB.BC.CD.DE.E(4)A.AB.BC.CD.DE.E(5)A.AB.BC.CD.DE.E正确答案：(1)E(2)C(3)B(4)A(5)D答案解释：暂无

理工英语4·单元自测4（10分）Unit4Self-test您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。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。（难易度:中）2.—Theyaretestingthe3Dprinter.Don’tyoucomeandseeit?—What?

单选题(10.0分)（难易度:中）A.Whereisitdisplayed?B.

Itreallymatters.C.That’sfine.

正确答案：A答案解释：暂无3.—3Dprinting

isoneofthelatesttechnological

innovations.—

____

Maybeitsfunctionsarequestionable.单选题(10.0分)（难易度:中）A.Really?B.Exactly.C.Ithinkso.正确答案：A答案解释：暂无4.—

Doyou

likethattechnologyexhibition?—Yes,I

likeitverymuch.

.

单选题(10.0分)（难易度:中）A.

Itfinallycomestrue.B.Itshowsmetheimpressivemagicpowerof3Dprinting.C.Itisagoodchance.正确答案：B答案解释：暂无5.She'snotveryoptimistic____thedevelopment

of3Dprinting.

单选题(10.0分)（难易度:中）A.toB.aboutC.at正确答案：B答案解释：暂无6.3Dprintershavespreadfromlabstoindustrial

factories,____

theyarebeingcheaperandcheaper.

单选题(10.0分)（难易度:中）A.soB.andC.yet

正确答案：A答案解释：暂无7.二、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。（教材对话原文）Michael:Theyaretestingthe3Dprinter.Don’tyoucomeandseeit?Lucas:What?Neverheardofit.Michael:Itisoneofthemostlatesttechnological

innovations.Lucas:Really?

1

.Michael:Comeon!Youshouldlearntobe

open-minded.Lucas:

2

Michael:The3Dprintingtechnologycouldbeusedinconstruction,engineering,biomedicine,andmanyotherfields.Itcanprintanything,ahouse,acar,evenaliver!Lucas:Thatcan’tbetrue.Iwillneverbelievethis.Michael:

3

.Allthese

willbeabsolutelycarriedoutby3Dprinters.There’sacompanycalledNaturalMachineshasintroduceda3Dprinterforfoodproducing.Lucas:Iguessthattherearealotofproceduresinvolvedinthisprocess.Sothisprintermustbeverybig.Michael:

4

.Itcanprintallkindsofdessertandstarter.Lucas:Isitexpensive?Michael:

5

.

A.Itisabout$.1,000B.MaybeitsfunctionsarequestionableC.Itisreallytrue.D.Whatarethemainfunctionsofit?E.Infact,itisasbigasanoven完形填空题(50.0分)（难易度:中）(1)A.AB.BC.CD.DE.E(2)A.AB.BC.CD.DE.E(3)A.AB.BC.CD.DE.E(4)A.AB.BC.CD.DE.E(5)A.AB.BC.CD.DE.E正确答案：(1)B(2)D(3)C(4)E(5)A答案解释：暂无

理工英语4·单元自测5（10分）Unit5Self-test您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。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。（难易度:中）2.—Jeff,I'dappreciateitifyoucouldhelpmewiththeopeningspeechI'mgivingnextweek.—___________________________,

butI'llhavesometimebetweenfiveandsixp.m.单选题(10.0分)（难易度:中）A.Don’tmentionitB.Yes,it’ssoquietasweexpectedC.Well,it'sprettybusythismorning正确答案：C答案解释：暂无3.—Goodmorning,Jeff.WouldyoumindgoingtogetmeacupofcoffeeattheStarbucks?—___________________________单选题(10.0分)（难易度:中）A.Thankyouforremindingme.B.Noproblem!Youwanttheusual?C.Youmustbejoking.正确答案：B答案解释：暂无4.—Oh,bytheway,howwasyourreportofthenewbatteriescomingalong?—___________________________.

单选题(10.0分)（难易度:中）A.It'sgoingprettywellB.JustgoaheadC.Well,I'mafraidso正确答案：A答案解释：暂无5.Thisisahighly______

newheatingsystem.

单选题(10.0分)（难易度:中）A.efficiencyB.efficientC.efficiently正确答案：B答案解释：暂无6.Itis_______aninterestingstorythatIwanttoreaditagain.单选题(10.0分)（难易度:中）A.soB.suchC.many正确答案：B答案解释：暂无7.二、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。（教材对话原文）Jeff:Morning,Roger.Roger:Goodmorning,Jeff.

1

WouldyoumindgoingtogetmeacupofcoffeeattheStarbucksacrossthestreet?Iknowyoujustgothere,butIwouldreallyappreciateit.Jeff:

2

Roger:Yes.Impressedthatyouremember!Jeff:YourflavourIneverforget.Jeffleavestogogetacoffee,andthencomesbackwithit.Jeff:Hereyougo,Roger.Roger:Thanks.Oh,Jeff,

3

withtheopeningspeechI'mgivingnextweekatourcompany.Jeff:Well,it'sprettybusythismorning,butI'llhavesometimebetweenfiveandsixp.m.Wouldthatbeokay?Roger:

4

I'mgoingtotalkaboutthenewenergystoragematerial,andIthinkyouhaveanexcellentgraspofthesubject.Jeff:Thankyou.Roger:Oh,bytheway,

5

?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.完形填空题(50.0分)（难易度:中）(1)A.AB.BC.CD.DE.E(2)A.AB.BC.CD.DE.E(3)A.AB.BC.CD.DE.E(4)A.AB.BC.CD.DE.E(5)A.AB.BC.CD.DE.E正确答案：(1)D(2)C(3)B(4)E(5)A答案解释：暂无

理工英语4·单元自测6（10分）Unit6Self-test您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。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。（难易度:中）2.—

I'mleavingforShanghaitomorrow.—_________________________单选题(10.0分)（难易度:中）A.Bringmeapresent.B.Haveapleasanttrip!C.Let'sgooutforadrink.正确答案：B答案解释：暂无3.—OK,I'llfixyourcomputerrightnow.—Oh,

takeyourtime,_________________________.

单选题(10.0分)（难易度:中）A.Ican'tstanditB.I'minnohurryC.That'sagreatidea正确答案：B答案解释：暂无4.—Thisapplepieistoosweet,don'tyouthinkso?—_________________________.Ithinkit'sjustright,actually.

单选题(10.0分)（难易度:中）A.NotreallyB.IhopesoC.Soundsgood正确答案：A答案解释：暂无5.Successcanbreedsuccess,ifyou______

it.单选题(10.0分)（难易度:中）A.takecareofB.takechargeof

C.takeadvantageof正确答案：C答案解释：暂无6.Tomaskedmetogotoplayfootballand______.单选题(10.0分)（难易度:中）A.sodidIB.soIdidC.sodoI正确答案：B答案解释：暂无7.二、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.

Chosetbegantobuildrobotsinhighschool.

1

2.Snakerobotscouldmoveinonlyfourdirections.

2

3.Chosetdidn'tbegindevelopinghisownsnakerobotsuntilhestartedworkingatCarnegieMellon.

3

4.Zenatitestedtherobotonpeopleafterusingitinpigs.

4

5.TherobotictechnologyforsurgeriesonpeoplehasbroughtahandsomeprofittoMedrobotics.

5

完形填空题(50.0分)（难易度:中）(1)A.TB.F(2)A.TB.F(3)A.TB.F(4)A.TB.F(5)A.TB.F正确答案：(1)A(2)B(3)A(4)B(5)B答案解释：暂无

理工英语4·单元自测7（10分）Unit7Self-test您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。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。（难易度:中）2.—

Ithinktheotherreasoncanbeidentifiedfromtheindustrializationoffoodproduction.—

.

Someillegaltraderscareaboutnothingbutmakingmoney.

单选题(10.0分)（难易度:中）A.ThatbothersmetooB.IsincerelyhopethatthewholesocietypaymuchmoreattentiontofoodsafetyC.Yes,youbet正确答案：C答案解释：暂无3.—

WhatisU.S’s

experience

infoodsafetymanagement?—

.单选题(10.0分)（难易度:中）A.S.dobetterinthispointB.TheyareimprovingthelegalsystemallthetimeandverystrictinlawenforcementC.Someillegaltraderscareaboutnothingbutmakingmoney正确答案：B答案解释：暂无4.—Whatwouldyouliketohaveforbreakfast?—

.

Wouldyouliketohaveataste?单选题(10.0分)（难易度:中）A.Twistedcruller,IboughtitthismorningB.IalreadyhadmybreakfastC.Breakfastisthemostimportant

mealoftheday正确答案：A答案解释：暂无5.Thetechnologyhasseveraladvantages

earlierattemptstoengineermeat

invitro

.单选题(10.0分)（难易度:中）A.incomparisonofB.incomparisontoC.comparewith正确答案：B答案解释：暂无6.Theyshouldnevertrytopursueprofit

healthandlifeofpeople.单选题(10.0分)（难易度:中）A.intermsofB.atsightofC.attheexpenseof正确答案：C答案解释：暂无7.二、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●Thebiggestdisadvantageofgeneticallymodifiedfoodisthattheyhaveharmfuleffectsonthehumanbody.Theconsumptionofthesegeneticallyengineeredfoodscanleadtodevelopmentofdiseasesthatareimmunetoantibiotics.●Chancesofdevelopingcancerarehighinpeoplewhoregularlyconsumeengineeredfood.●Sinceitisanunnaturalwayofproducingfoods,thereisanincreasedhealthhazardsuchasallergens,transferofantibioticresistancemarkersandunknowneffects.●Sincetheproductionofengineeredfoodinvolvesinfusinganimalgenesinthecropsandtamperingwithnature,itmightnotbegoodforconsumptioninthelongrun.

Howdoesgeneticallymodifiedfoodcontroltheoccurrenceofcertaindiseases?

1

A.Bycross-pollinating.B.Byconventionalcrossbreeding.C.ByalteringtheDNAsystemofthesefoods.2.Dofarmersneedtobuyanychemicalsandpesticidesiftheyplantgeneticallymodifiedfood?

2

A.Yes,theyneedto.Becausethefoodisnotresisttopests.B.No,theydon’tneedto.Becausethefoodisnaturallypest-resistant.C.No,theydon’tneedto.Becausethechemicalsandpesticidesareprovidedbythegovernment.3.Whichstatementisnottheadvantageofgeneticallymodifiedfood?

3

A.Itmayhaveharmfuleffectsonhumanbody.B.Geneticallymodifiedfoodgrowsfasterthantheirtraditionallygrowncounterparts.C.Farminggeneticallymodifiedfoodcanhelpfightworldhunger.4.Whatwouldhappentoapersonifheregularlyconsumegeneticallymodifiedfood?

4

A.Hewouldgetcold.B.Hewouldlosesomeweight.C.Hewouldhavecancer.5.Whichtitleisthebestforthispassage?

5

A.Cangeneticallymodifiedfoodscombatworldhunger?B.Geneticallymodifiedmood:ouranswerisnoC.Geneticallymodifiedfoods:prosandcons完形填空题(50.0分)（难易度:中）(1)A.AB.BC.C(2)A.AB.BC.C(3)A.AB.BC.C(4)A.AB.BC.C(5)A.AB.BC.C正确答案：(1)C(2)B(3)A(4)C(5)C答案解释：暂无

理工英语4·单元自测8（10分）Unit8Self-test您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制