国家开放大学(电大)理工英语4单元自测4

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,makingsomeof

theribsof

honeycomb

structureof

theblockuneven,"reportedARN(AustralianRadioNetwork)tothesurpriseofnoonewhohasuseda3Dprinter.Butthearchitectsremainoptimistic.Thefirstfewprintedblocksaremeanttobetestpiecesastheyimprovetheprocess.Ittakesaboutaweektoprinta3-meterhighblockrightnow.Theproject'sleadershopetoeventuallygetthatdowntotwohoursandfinishthefirstof12thetheroomsinayear,andtheentirehouseinlessthan3years.Ultimately,3DPrintCanalHouseisanarchitecturalresearchproject,onethatisverymuchbeingconductedinthepubliceye:youcanactuallybuyticketstovisittheconstructionsitefor2.50Euros.Thetopfloorswillbecomemoreornate,forexample,asnewertechniquesareincorporated.They'llexplorethepossibilitiesof3Dprinting,oneycomhbwallsoranentireroomrecycled,redesigned,andbuiltanew.Nobody'sgoingtomoveintoa3Dprintedhousesoon,but,ifanyoneeverdoes,somethingmightbelearnedfromthisexperimentbythecanal.1.Accordingtothepassage,the3Dprintercantypewithplasticevenly.2.This3Dprinterprintedsomeblockstotestitswork.3.Theproject'sleaderswillfinishtheentirehouseinlessthan3years.4.3DPrintCanalHouseisprintedtolive.5.Thecanalhousewillbedecoratedmore.解析：1.Flikelikethe2.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.ItisnotA.mature

正确题目53Dprintershavespreadfromlabstoindustrialfactories,_____theybeingcheaperandcheaper.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..are.areLucas:回答Michael:The

3D

printingtechnology

could

be

used

inconstruction,engineering,biomedicine,andmanyotherfields.Itcanprintanything,ahouse,acar,evenaliver!Lucas:Thatcan’tbeue.Iwillneverbelievethis.Michael:回答.Allthesewillbeabsolutelycarriedoutby

3Dprinters.There’acompanycalledNaturalMachineshasintroduceda3Dprinterforfoodproducing.Lucas:Iuesthattherearealotproceduresinvolvedinthisproce.Sothisprintermustbeverybig.Michael:回答.Itcanprintallkindsofdessertandstarter.Lucas:Isexpensive?Michael:回答A.Itisabout$.1,000trgstrgssofitB.MaybeitsfunctionsarequestionableC.ItisreallyD.Whatarethemainfunctionsofit?E.Infact,itisasbigasanoven解析：1.B2.D3.C4.E5.A题目4She'snotveryoptimisticB.about正确

thedevelopmentof3Dprinting.true.true.题目4ThereareB.increasing题目5

callsforlawmakerstoconsidercopyrightlaws.Someoneinvented

the3Dprintermanyyearsago,

Idon’trememberwho.B.but题目5____thenewlawisusedoneday,Ihopeitwillnotpunishpeopleusing3Dprintersforpersonalpurposes.C.If题目4Flowersgrow

wellinawarm

climate.Similarly,technology

inaharmonioussociety.C.flourishes题目5She’beeninterest

edincomputerscience

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。Inthegras,babyduckwashatched(

孵化)outinacollegebiologylabwithabackwardleftfoot.Atthetime,itprobablywould’thavesurvived,ifMikeGarydidn’trecommendaproperoperationtocutoffthatbadfoot.Monthsafterthehealingprocess,engineersatNovacopyCompanyproduceda3Dprintedmodelthatwouldbeusedtocreateaprosthetic修复的)footfortheduck.ConsideringthatABSplasticswerenotflexibleenoughforthistypeofexercise,theNovacopycompanymadeathree-dimensionallymodeledfootmadeofsilicone,withthehopetocreateapermanentprosthesis(

假肢)fortheduck.Ittookjust13hourstoproduce.This3Dprosthesisdemonstrated

the

3Dtechnologiescanbeusednotonlyforhuman

application,butalsoinforeignsubjectssuchasanimalsandothermedicaltreatments.1.Wherewasthebabyduckhatchedout?

回答正确sn(sn(A.Inacollegebiologylab.2.Whatwaswrongwiththebabyduck?

回答正确B.Itwasbornwithabackwardleftfoot.3.CouldABSplasticsbeusedtoproducea3Dprintedmodelthatwouldbeusedtocreateaprostheticfootfortheduck?回答正确A.No,becauseABSplastic