首页
登录
职称英语
For centuries man dreamed of achieving vertical flight. Leonardo da Vinci co
For centuries man dreamed of achieving vertical flight. Leonardo da Vinci co
游客
2023-07-05
29
管理
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 [br] 【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://tihaiku.com/zcyy/2811503.html
相关试题推荐
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Tallmenaremorelikelytohavechildrenthantheirverticallychallengedf
Tallmenaremorelikelytohavechildrenthantheirverticallychallengedf
Tallmenaremorelikelytohavechildrenthantheirverticallychallengedf
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
随机试题
现在乘火车从杭州到上海只要一个多小时就到了。NowitonlytakesmorethanonehourtogotoShanghaifro
Doeswinningmeaneverything?Askkidsandtheanswerisprobably"No".Ask
[originaltext]W:Hi,Steve,haveyoueverheardofEdwardR.Murrow?Ireallyw
函数在(0,0)点( )。A.连续,但偏导数不存在 B.偏导数存在,但不可微
为了规范律师事务所及其指派的律师从事证券法律业务,保障执业质量,维护投资者的合法
A.抗精神病作用 B.镇吐作用 C.体温调节失灵 D.帕金森综合征 E.
基金发行总份额越多,基金份额净值就越高。()
在设计一款嵌入看涨期权多头的股指联结票据时,过高的市场波动率水平使得期权价格过
下列关于完工产品与在产品的成本分配方法的表述中,不正确的有( )。A.如果某种
必须把()作为贯穿发展全局和全过程的大逻辑,推动我国发展不断迈上新台阶。A
最新回复
(
0
)