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1、2017年职称英语理工类阅读判断专项试题及答案本文档格式为WORD,感谢你的阅读。最新最全的学术论文期刊文献年终总结年终报告工作总结个人总结述职报告实习报告单位总结演讲稿2017年职称英语理工类阅读判断专项试题及答案 Textone RescuePlatform IntheaftermathoftheterroristattacksontheWorldTradeCenter,securityexpertsaretryingtodevelopnewwaysofrescuingpeoplefromburningskyscrapers.Oneideaisap
2、latformcapableofflyingverticallyandhoveringintheairlikeahelicopter.Theplatformwouldriseupanddownalongsideaskyscraperandpickuppeopletrappedinhighstories. TheideafortheverticaltakeoffplatformwashatchedmorethantenyearsagobyaRussianaerospaceengineer,DavidMetreveli,whohassincemovedtoIs
3、rael.Metreveli'sdesign,calledtheEagle,callsfortwojetenginesthatturnfourlargehorizontalpropellers.Thespinningofthepropellersgeneratesthenecessarylift,orupwardforce,toraisetheplatform.Themorepowerissuppliedtothepropellers,thehighertheplatformrises.Movingtheplatformsidewaysinvolvesapp
4、lyingdifferingamountsofpowertoeachpropeller. Helicoptersarenowusedinsomecasestogetpeopleoutofburningbuildings.Escapebasketsslungfromthemdanglebesidethebuildingforpeopletoclimbinto.Unfortunately,thebasketscannotreacheveryfloorofabuildingbecausetheropesfromwhichtheyhangbecomeunstabl
5、ebeyondacertainlength. Sofar,Metrevelihasbuiltasmall-scalemodeloftheEagletotesthisidea.InthewakeofSeptember11,hehasbeenabletosecureenoughfundingtostartbuildingalarger,4-meterby4-meterprototype,whichhecallstheEaglet. 词汇: aftermath结果,后果sling用悬带吊挂 hover盘旋dangle摇摆 hatch策划prototype
6、原型 propeller螺旋桨;推进器 注释: 1.Oneideaisplatformcapableofflyingverticallyandhoveringintheairlikeahelicopter:形容词短语capableofflyingverticallyandhovering…用作定语,修饰platform 2.since=sincetenyearsago 3.escapebasket:救生篮 4.inthewakeof:在……后 5.4-meterby4-meter:4米*4米 练习: 1).Arescueplatformca
7、lledtheEagleiscapableofmovingverticallybutnotsideways. A RightB WrongC Notmentioned 2).ThefourpropellersarefittedhorizontallytotheEagle. A RightB WrongC Notmentioned 3).Withthehelpofjetengines,theEaglecanflyataspeedof100milesanhour. A RightB WrongC Notmentioned 4).Inthethirdp
8、aragraph,thewordhelicopter