職稱英語(yǔ)理工類C級(jí)考試真題
在日常學(xué)習(xí)和工作中，我們最不陌生的就是試題了，試題是命題者根據(jù)測(cè)試目標(biāo)和測(cè)試事項(xiàng)編寫出來(lái)的。那么你知道什么樣的試題才能有效幫助到我們嗎？下面是小編整理的職稱英語(yǔ)理工類C級(jí)考試真題，歡迎閱讀，希望大家能夠喜歡。
下面的短文有15處空白，請(qǐng)根據(jù)短文內(nèi)容為每處空白確定1個(gè)最佳選項(xiàng)。(第51-65題，每題1分，共15分)
Rescue Platform
In the aftermath of the terrorist attacks on the World Trade Center,security experts are trying to develop new ways of rescuing people from burning skyscrapers.One (51)is a platform capable of flying vertically and hovering in the air (52)a helicopter.The platform would rise up and down alongside a skyscraper and pick up people (53)in high stories.
The idea for vertical takeoff platform was hatched(策劃)more than ten years ago by a Russian aerospace engineer,David Metreveli,who has since moved to Israel.Metrevelis design (54)the Eagle,calls for two jet engines that(55)four large horizontal propellers.The spinning of the propellers (56)the necessary lift,or upward force,to raise the platform.The more (57)is supplied to the propellers,the higher the platform(58)Moving the platform sideways involves(59)differing amounts of power to each propeller.
Helicopters are now used in some(60)to get people out of burning building.Escape baskets slung from them dangle beside the building for people to climb into.(61),the baskets cannot reach every floor of a building(62)the ropes from which they hang become unstable(63)a certain length.
So far,Metreveli has built a small-scale model of the Eagle to(64)his idea.In the wake of September 11,he has been able to secure enough funding to start building a larger,4-meter by 4-meter prototype,(65)he calls the Eaglet.
51.A.idea B.skill C.building D.improvement
52.A.silks B.unlike C.like D.likely
53.A.XXX B.trapped C.climbed D.raised
54.A.linked B.called C.equaled D.described
55.A.change B.move C.turn D.shut
56.A.sends B.keeps C.opens D.generates
57.A.power B.sense C.feature D.model
58.A.stays B.rises C.stars D.runs
59.A.reducing B.comparing C.developing D.applying
60.A.kinds B.cases C.stories D.products
61.A.Unfortunately B.Uncertainly C.Unimportantly D.Unexpectedly
62.A.before B.because C.until D.however
63.A.beyond B.under C.off D.on
64.A.tell B.test C.discuss D.report
65.A.who B.which C.where D.what
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