- 完形填空
题干:SomecallittheSmartShooter,anewrifleforAmericaninfantrytroopsthatistwoweaponsinone,isaccurateupto1,000yardsandin(1)fires(2)corners.Itsmessagetoenemiesisthattheycanrunbuttheycan'thide.Stillinthedevelopmentphase,theriflefor2006hasjustbeen(3)offwithgreat(4)bythePentagontomembersofCongresswhowillbeaskedto(5)themoney.Themakers,AlliantTechsystems,saythattheweaponwillrevolutionize(6)combatmuchasthemachinegun.Pentagonjargonhasgiventhenewguna(an)(7)title:theobjectiveIndividualCombatWeapon.(8)onetrigger,theriflecanfireastandard5.56mmNatobulletanda20mmhighexplosiveshellthatwillburstintheair.Itcan(9)shrapnelbehind,(10)orevenfromthesideofenemytroopswhohavetaken(11)behindabuilding.Theshellcanbe(12)toexplodeafterashortdelay.Theweapon's1,000yardaccuracyistwice(13)ofotherrifles,madepossiblebyalasersystembuiltintothesight.Thisrangefinderfixesthetarget,measuresthedistanceandpassesitalongtoacomputerchipintheshell.Thegunsighthasaninfraredlensfornight(14)Itcanalsohavevideocamerawithazoomlensthatislinkedtoavideodisplayattachedtothesoldier'shelmet,allowinghimtoaim(15)withoutexposinghimselftoenemyreturnfire.Buttherearesnagsstillbe(16)out.Twomenwere(17)whenashellburstinabarrelduringfiringtests.Therifleweighsmorethan181b.Therearequestionswhetheritselectronicinnardswillberuggedenoughforrain,snowanddifficult(18).MichaelKlare,aprofessorofpeaceandworldsecurityissuesandaboardmemberoftheArmsControlAssociation,saysthatthePentagonisseekingthiscombinationoffirepowerandautomationtocompensatefortheuncertainaimofGIS.Hesaid:"Soldierswon'thavetoworryaboutcarefulsteadyaim.They'lljustlook(19)theviewfinderand(20)thetrigger."
题目:(18) - A 、terrain
- B 、domain
- C 、field
- D 、territory
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参考答案
【正确答案:A】
terrain“地带,地域;地形”。domain“版图;知识,领域;产业”。field“田地;领域”。territory“领土,版图”。difficult terrain指“崎岖的地形”。
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