國家開放大學(xué)(電大)理工英語4單元自測4

一、選擇填空：閱讀下面的對話或句子，從A、B、C三個選項中選出一個能填入空白處的最佳選項。題目1—Doyoulikethattechnologyexhibition?—Yes,Ilikeitverymuch.

.B.Itshowsmetheimpressivemagicpowerof3Dprinting.題目2—3Dprintingisoneofthelatesttechnologicalinnovations.—

Maybeitsfunctionsarequestionable.A.Really?正確題目3—Doyoupreferaportableoraclumsy3Dprinter?—

.C.Ipreferaportableonetoaclumsyone.題目4Touch-

3Dmapshelptheblindtoomuch.A.responsive正確題目5This3Dprinterwasdesigned

producesnacks.A.to正確題目6二、閱讀理解：閱讀下面的短文，根據(jù)文章內(nèi)容進行判斷，正確為“T”，錯誤為“F”。Passage1(教材課文原文)"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、選擇填空：閱讀下面的對話或句子，從A、B、C三個選項中選出一個能填入空白處的最佳選項。題目1—Whatdoyouwanttobe?—

.C.Iwouldstudycomputersciencethandancer.題目2—Theyaretestingthe3Dprinter.Don’tyoucomeandseeit?—What?A.Whereisitdisplayed?

正確題目43Dprintingisjustatthebeginningstage.ItisnotA.mature

正確題目53Dprintershavespreadfromlabstoindustrialfactories,_____theybeingcheaperandcheaper.A.so正確題目6二、閱讀理解：閱讀下面的對話，選擇合適的內(nèi)容將對話補充完整。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題目4She'snotveryoptimisticB.about正確

thedevelopmentof3Dprinting.true.true.題目4ThereareB.increasing題目5

callsforlawmakerstoconsidercopyrightlaws.Someoneinvented

the3Dprintermanyyearsago,

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

wellinawarm

climate.Similarly,technology

inaharmonioussociety.C.flourishes題目5She’beeninterest

edincomputerscience

shewaseight.B.since正確題目6二、閱讀理解：閱讀下面的短文，根據(jù)文章內(nèi)容從A、B、C三個選項中選出一個最佳選項。Inthegras,babyduckwashatched(

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

假肢)fortheduck.Ittookjust13hourstoproduce.This3Dprosthesisdemonstrated

the

3Dtechnologiescanbeusednotonlyforhuman

application,butalsoinforeignsubjectssuchasanimalsandothermedicaltreatments.1.Wherewasthebabyduckhatchedout?

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

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