国家开放大学(电大)理工英语4单元自测4

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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。题目1—Doyoulikethattechnologyexhibition?—Yes,Ilikeitverymuch..B.Itshowsmetheimpressivemagicpowerof3Dprinting.题目2—3Dprintingisoneofthelatesttechnologicalinnovations.—____Maybeitsfunctionsarequestionable.A.Really?正确题目3—Doyoupreferaportableoraclumsy3Dprinter?—.C.Ipreferaportableonetoaclumsyone.题目4Touch-____3Dmapshelptheblindtoomuch.A.responsive正确题目5This3Dprinterwasdesigned____producesnacks.A.to正确题目6二、阅读理解:阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。Passage1(教材课文原文)Theprinterdidnotalwaysmanagetospreadtheplasticevenly,makingsomeoftheribsofthehoneycombstructureoftheblockuneven,reportedARN(AustralianRadioNetwork)tothesurpriseofnoonewhohasuseda3Dprinter.Butthearchitectsremainoptimistic.Thefirstfewprintedblocksaremeanttobetestpiecesastheyimprovetheprocess.Ittakesaboutaweektoprinta3-meterhighblockrightnow.Theproject'sleadershopetoeventuallygetthatdowntotwohoursandfinishthefirstof12roomsinayear,andtheentirehouseinlessthan3years.Ultimately,3DPrintCanalHouseisanarchitecturalresearchproject,onethatisverymuchbeingconductedinthepubliceye:youcanactuallybuyticketstovisittheconstructionsitefor2.50Euros.Thetopfloorswillbecomemoreornate,forexample,asnewertechniquesareincorporated.They'llexplorethepossibilitiesof3Dprinting,likethehoneycombwallsoranentireroomrecycled,redesigned,andbuiltanew.Nobody'sgoingtomoveintoa3Dprintedhousesoon,but,ifanyoneeverdoes,somethingmightbelearnedfromthisexperimentbythecanal.1.Accordingtothepassage,the3Dprintercantypewithplasticevenly.2.This3Dprinterprintedsomeblockstotestitswork.3.Theproject'sleaderswillfinishtheentirehouseinlessthan3years.4.3DPrintCanalHouseisprintedtolive.5.Thecanalhousewillbedecoratedmore.解析:1.F2.T3.F4.F5.T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。题目1—Whatdoyouwanttobe?—.C.Iwouldstudycomputersciencethandancer.题目2—Theyaretestingthe3Dprinter.Don’tyoucomeandseeit?—What?A.Whereisitdisplayed?正确题目43Dprintingisjustatthebeginningstage.Itisnot____.A.mature正确题目53Dprintershavespreadfromlabstoindustrialfactories,____theyarebeingcheaperandcheaper.A.so正确题目6二、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。Michael:Theyaretestingthe3Dprinter.Don’tyoucomeandseeit?Lucas:What?Neverheardofit.Michael:Itisoneofthemostlatesttechnologicalinnovations.Lucas:Really?回答Michael:Comeon!Youshouldlearntobeopen-minded.Lucas:回答Michael:The3Dprintingtechnologycouldbeusedinconstruction,engineering,biomedicine,andmanyotherfields.Itcanprintanything,ahouse,acar,evenaliver!Lucas:Thatcan’tbetrue.Iwillneverbelievethis.Michael:回答.Allthesewillbeabsolutelycarriedoutby3Dprinters.There’sacompanycalledNaturalMachineshasintroduceda3Dprinterforfoodproducing.Lucas:Iguessthattherearealotofproceduresinvolvedinthisprocess.Sothisprintermustbeverybig.Michael:回答.Itcanprintallkindsofdessertandstarter.Lucas:Isitexpensive?Michael:回答A.Itisabout$.1,000B.MaybeitsfunctionsarequestionableC.Itisreallytrue.D.Whatarethemainfunctionsofit?E.Infact,itisasbigasanoven解析:1.B2.D3.C4.E5.A题目4She'snotveryoptimistic____thedevelopmentof3Dprinting.B.about正确题目4Thereare____callsforlawmakerstoconsidercopyrightlaws.B.increasing题目5Someoneinventedthe3Dprintermanyyearsago,____Idon’trememberwho.B.but题目5____thenewlawisusedoneday,Ihopeitwillnotpunishpeopleusing3Dprintersforpersonalpurposes.C.If题目4Flowersgrowwellinawarmclimate.Similarly,technology____inaharmonioussociety.C.flourishes题目5She’sbeeninterestedincomputerscience____shewaseight.B.since正确题目6二、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。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?回答正确A.Inacollegebiologylab.2.Whatwaswrongwiththebabyduck?回答正确B.Itwasbornwithabackwardleftfoot.3.CouldABSplasticsbeusedtoproducea3Dprintedmodelthatwouldbeusedtocreateaprostheticfootfortheduck?回答正确A.No,becauseABSplasticswerenotflexibleenough.4.Howlongdidittaketocreateapermanentprosthesisfortheduck?回答正确B.13hours.5.Whatdidthelastsentenceofthispassageindicate?回答正确C.3Dtechnologiescanbeusedtohuman,animalsandothermedicaltreatments.解析:1.A2.B3.A4.B5.C

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