Unit3REVISION 一．單詞拼寫練習：漢譯英1.______n.專利證書；專利權(quán)2.______adj.寬大的；仁慈的3______n.產(chǎn)品4______n.立方體；立方5______n.謹慎；小心6.______vt.抓住，捉??；占據(jù)；7.______n.（評判的）標準；尺度8.______adj.有效的；確鑿的9.______adj.熟的；成熟的10.______n.電話?。簧虡I(yè)名錄11.______adj.清白的；無罪的12.______n.冰點adj.冰凍的，嚴寒的 /13.______adj.充滿活力的；精力充沛的14.______vt.復(fù)制;再現(xiàn)……的形象或聲音15.______adj.無價的；極寶貴的16.______n.能力；勝任；本領(lǐng)17.______經(jīng)歷;通過,成功,成交;審閱,檢查;翻找,查看;穿過,通過18.______迅速把手伸入；一心投入19.______次序顛倒；發(fā)生故障20.______因為可能發(fā)生某事；以防萬一；萬一二，，單項選擇從A、B、C、D四個選項中，選出可以填入空白處的最佳選項。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，閱讀理解。Ifyouandyourfriendswishtoshareasecret,youcanwriteitincode,andnooneelsewillbeabletoreadit.Codesareonewayofwritinginsecret.Ciphers(暗碼)areanother.Inacodeeachwordiswrittenasasecretcodewordorcodenumber.Inaciphereachletterischanged.Codesandciphershaveplayedanimportantroleinthehistoryoftheworld.JuliusCaesar,theRomanrulerwhodefeatedalmostallthecountriesinEuropeabout2,000yearsago,usedacipherwhenhesentsecretmessagestohistroops.DuringtheAmericanRevolution,GeorgeWashington'sspiesusedakindofcodetosendhiminformationabouttheenemybeforehismilitary(軍事的)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參考答案：一：Keys:1.patent2.merciful3product4cube5caution