InventorsandInventions第六课时同步测试

Unit3REVISION 一．单词拼写练习：汉译英1.______n.专利证书；专利权2.______adj.宽大的；仁慈的3______n.产品4______n.立方体；立方5______n.谨慎；小心6.______vt.抓住，捉住；占据；7.______n.（评判的）标准；尺度8.______adj.有效的；确凿的9.______adj.熟的；成熟的10.______n.电话薄；商业名录11.______adj.清白的；无罪的12.______n.冰点adj.冰冻的，严寒的 /13.______adj.充满活力的；精力充沛的14.______vt.复制;再现……的形象或声音15.______adj.无价的；极宝贵的16.______n.能力；胜任；本领17.______经历;通过,成功,成交;审阅,检查;翻找,查看;穿过,通过18.______迅速把手伸入；一心投入19.______次序颠倒；发生故障20.______因为可能发生某事；以防万一；万一二，，单项选择从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。1.Thebossreceivedmanyapplications_______thepost.A.inB.toC.onD.for2.Allthecharacteristicsthatdistinguishbirds________otheranimalscanbetracedtoprehistorictimes.A.toB.betweenC.forD.from3.---I’dbetter________now.Thebabyiscrying.---Good-bye.A.ringbackB.ringupC.holdonD.ringoff4.Idon’tthinkaboutmyoldfriendsverymuch,only_________.A.nowandthenB.byandbyC.stepbystepD.moreorless5.—Whattimewoulditbe____formetocomeback?—Anytimewilldoaslongasyouarefree.A.convenientB.fairC.easyD.comfortable6.Hewasleftoutwhenthey____choosinganewmanager,whichcameasacompletesurprisetohim.A.setoutB.setaboutC.setoffD.setup7.Unfortunatelythefilmherecommendedfellshortofour____.A.expectationsB.advantagesC.opportunitiesD.contributions8.Youwillseethisproductmadeinthisfactory_____whereveryougo.A.tobeadvertisedB.advertisedC.advertiseD.advertising9.Allthings______,theplannedtripwillhavetobecalledoff.A.consideredB.beconsideredC.consideringD.havingconsideredfoundthelivingroomthoroughly________andeverything________ingoodorder.A.cleaned;arrangedB.cleaned;arrangingC.cleaning;arrangedD.cleaning;arranging三，阅读理解。Ifyouandyourfriendswishtoshareasecret,youcanwriteitincode,andnooneelsewillbeabletoreadit.Codesareonewayofwritinginsecret.Ciphers(暗码)areanother.Inacodeeachwordiswrittenasasecretcodewordorcodenumber.Inaciphereachletterischanged.Codesandciphershaveplayedanimportantroleinthehistoryoftheworld.JuliusCaesar,theRomanrulerwhodefeatedalmostallthecountriesinEuropeabout2,000yearsago,usedacipherwhenhesentsecretmessagestohistroops.DuringtheAmericanRevolution,GeorgeWashington'sspiesusedakindofcodetosendhiminformationabouttheenemybeforehismilitary(军事的)action.InWorldWarⅡ,theAmericans"broke",orfiguredout,Japan'smostimportantnavycodesandgotenoughinformationtodestroyapowerfulJapanesefleet.Storekeepersusecodestomarktheirgoods.Thecodesshowhowmuchwaspaidforthegoodsorwhentheywereaddedtothestock(商品).Businessmenusecodestohideplansfromtheirbusinessenemies.Sometimespersonallettersordiariesarewrittenincode.Manypeopleenjoyfiguringoutcodesandcipherssimplyasahobby.Inthe16thcentury,codesandcipherswereverypopularamongscientists.Theywrotemessagestoeachotherincodesothatnooneelsewouldlearntheirsecrets.GeronimoGardano,anItalianastrologer(星相家),mathematician,anddoctor,inventedthetrelliscipher.Hetooktwosheetsofpaperandcutexactlythesameholesineachone.Thenhesentonesheet,whichhecalledatrellis,toafriendandkepttheotherforhimself.Wheneverhewantedtowriteamessage,heputhistrellisoveracleansheetofpaperandwrotethesecretmessagethroughtheholes.Thenheremovedthetrellisandfilledtherestofthepaperwithwordsthatwouldmakesense.Whenhisfriendreceivedit,heputhistrellisoverthewritingandreadthesecretmessage.1.Thebesttitleofthispassageis___________.A.CodesandCiphersB.DifferencesbetweenCodesandCiphersC.HistoryofCodesandCiphersD.InventorsofCodesandCiphers2.Whichofthefollowingstatementsistrue?A.Cipherscanbebrokenorfiguredoutmoreeasilythancodes.B.YoucouldreadsomewordsinGeronimo'sletterwithouthistrellis.C.ThefirstpersonwhoeverusedacipherinhistorywasJuliusCaesar.D.Fondnessofusingcodeswasthehobbyofthescientistsinthe16thcentury.3.AccordingtoGeronimoCardano,atrellisis___________.A.apieceofpaperwithmanysmallholesB.asecretmessagewithalotofsmallholesC.aletterwithunreadablewordsandsentencesD.asheetofpaperwithgroupsofArabicfigures4.ItisNOTmentionedinthepassagethatcodesandciphersareusedforthepurposeof___________.A.militaryaffairs B.commercialsecretsC.scientificachievements D.personalenjoyment参考答案：一：Keys:1.patent2.merciful3product4cube5caution