完形填空(73)Ballpointpenshavemadelifeeasierformillionsofpeople.Atonetime1didnotliketheirstudentsto2withpen.Perhapsitwasbecausepenscanleak(漏)anditis3tospill(溢出)theink.Anditishardtowriteonthinorcheappaperwiththem.LadislaoBiro4foranewspaperinBudapest.Hespentallday5hisdesk.Dayinanddayout,hecorrected6ofthin,cheappaperwithapenandink.Heoftenhadtostopto7hispenanditdidnotwrite8onthethinpaper.HeandhisbrotherGeorge9someexperiments.Theywantedapenthatdidnotleak,withinkthatdidnotspill.Whynot10alittleballattheend?TwoEnglishmen,HenryMartinandFrederickMiles,likethe11.Itwasthe12oftheSecondWorldWar.TheAirForce13anon-leak,non-spillpenforthementowritewithin14.MartinandMilesmadeand15manythousandsofBiro“writing-sticks”totheAirForce.1.A.factoriesB.schoolsC.shopsD.restaurants2.A.playB.writeC.comeD.meet3.A.easyB.hardC.freeD.popular4.A.leftB.waitedC.lookedD.worked5.A.onB.nearC.atD.in6.A.mistakeB.booksC.pagesD.diaries7.A.mendB.fillC.brushD.change8.A.wellB.downC.outD.up9.A.keptB.finishedC.beganD.studied10.A.findB.wearC.growD.use11.A.matterB.resultC.meaningD.idea12.A.dayB.timeC.breakD.year13.A.boughtB.tookC.neededD.preferred14.A.planesB.shipsC.trainsD.buses15.A.soldB.lentC.movedD.passed名师点评这是一篇关于圆珠笔怎样发明使用的文章。由于钢笔易漏水给工作带来了许多不方便，通读此文，你就会明白圆珠笔在什么情况下发明推广使用。结合圆珠笔使用的方便和有关历史知识，能顺利完成短文。答案简析1.B。从上下文判断应选B。2.B。用笔写可用“writewithpens”来表达。3.A。钢笔里的墨水容易从笔管溢出来，所以选A。4.D。指他在为一家报社工作。5.C。atone’sdesk意思是“坐在桌前”。6.C。批改文稿可用correctpages来表达。7.B。往笔里装墨水可用fillthepenwithink。这里省略了withink.。8.A。用副词well修饰动词write。9.C。由于他发现用钢笔写有麻烦，所以他和朋友开始做实验，想更好的方法。10.D。Whynot+动词原形。11.D。他们喜欢他的设想。12.B。thetimeof表示“……的时候”。13.C。指当时空军正需要这样的笔。14.A。句意理解和实际判断想结合。15.A。他们生产并销售圆珠笔供空军使用，故选sold。
