首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
For centuries man dreamed of achieving vertical flight. Leonardo da Vinci conceived the first mechanical apparatus(仪器), which co
For centuries man dreamed of achieving vertical flight. Leonardo da Vinci conceived the first mechanical apparatus(仪器), which co
admin
2014-12-31
51
问题
For centuries man dreamed of achieving vertical flight. Leonardo da Vinci conceived the first mechanical apparatus(仪器), which could carry a man【C1】______up, but this was only a design and was never tested.
The ancient dream was finally realized in 1940 when a Russian aeronautical(航空学的)【C2】______, piloted a strange-looking craft of steel tubing with a rotating fan on top. It rose awkwardly and vertically into the air from a standing start, hovered a few feet above the ground, went sideways and backwards, and then settled back to earth. That【C3】______was called a helicopter.
Imaginations were fired. People【C4】______that vertical flight transports would carry millions of passengers as do the airliners of today. Such fantastic expectations were not【C5】______. It excels in military missions,【C6】______troops, guns and strategic instruments where other aircraft cannot go. Corporations use them as airborne offices; many urban areas use them in police work, construction and logging companies【C7】______them in various advantageous ways. Engineers use them for site selection and surveying, and oil companies use them as the best way to make offshore and remote work stations accessible to crews and supplies. Any urgent【C8】______to a hard-to-get-to place is a likely task for a helicopter. Among their other【C9】______of uses, they deliver people across town, fly to and from airports,【C10】______in rescue work, and aid in the search for missing or wanted persons. With all these functions, the helicopter has now become an extremely versatile machine.
A)recognize B)vehicle C)caustic D)anticipated
E)actually F)fulfilled G)employ H)carrying
I)mission J)straight K)helpless L)engineer
M)assist N)balancing O)abundance
【C1】
选项
答案
J
解析
这里作者的意思是“达芬奇发明的仪器可以载人……上”,根据前句中vertical flight“垂直飞行”可知,这里应指“直上”,straight up是固定搭配,意为“直上”。
转载请注明原文地址:https://kaotiyun.com/show/qhq7777K
0
大学英语四级
相关试题推荐
AsaprofessoratalargeAmericanuniversity,Ioftenhearstudentssaying:"I’monlya1050."Theunluckystudentsarespeaki
A、Commonpeoplecouldmeetoneanotheratasport.B、Peoplehavenointentiontohaveacontestonsports.C、Internationalsport
Americansarenowsuper-sized,overweight,andfattyeven.ThisistrueofalmosttwothirdsofAmericanadults.Butwhatismor
A、Peoplelearnmoreabouttheproblemofpollution.B、Firms,individualsandgovernmentsmakemoreefforts.C、Scientistsanalyze
Fightunhealthyfood,notfatpeopleIt’shardlybreakingnewsthatjunkfoodisbadforus.Butjusthowbad—andjusthow
Fightunhealthyfood,notfatpeopleIt’shardlybreakingnewsthatjunkfoodisbadforus.Butjusthowbad—andjusthow
Fightunhealthyfood,notfatpeopleIt’shardlybreakingnewsthatjunkfoodisbadforus.Butjusthowbad—andjusthow
Americansbelievethatindividualsmustlearnto(1)_______themselvesorrisklosingfreedom.Thismeansachievingbothfinanc
Americansbelievethatindividualsmustlearnto(1)_______themselvesorrisklosingfreedom.Thismeansachievingbothfinanc
随机试题
药物立体结构对药效的影响不包括
生态学的研究内容和范围非常广泛,所以没有特殊的研究对象。()
胎方位
恶性肿瘤而有顽固性疼痛者恶性肿瘤而阴、阳、气、血及脏腑虚损者
依据《企业破产法》的规定,人民法院受理破产申请后,对于下列行为管理人有权请求人民法院予以撤销的有:
用某种脱脂剂对一忌油系统进行脱脂操作,当要求脱脂工作现场严禁烟火、操作人员采取防毒措施时,此脱脂剂为()。
甲公司是一家模具制造企业,正在制定某模具的标准成本。加工一件该模具需要的必不可少的加工操作时间为90小时,设备调整时间为1小时,必要的工问休息为5小时,不可避免的废次品耗用4小时。该模具的直接人工标准工时是()小时。
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性。()
很多人认为贵州省的旅游可以归纳为:一栋房子(遵义),一个瓶子(茅台酒),一棵树子(黄果树)。你认为贵州省这栋房子之所以能够成为旅游景点主要是因为这里()。
彩虹:七色光:色散
最新回复
(
0
)