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
30
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] 【C10】
选项
答案
M
解析
这里是一系列动词短语对于直升机的用途进行举例。故应填入动词原形,意思是“在救援工作中……”,故选assist,意为“援助”。
转载请注明原文地址:https://tihaiku.com/zcyy/2810262.html
相关试题推荐
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Tallmenaremorelikelytohavechildrenthantheirverticallychallengedf
Tallmenaremorelikelytohavechildrenthantheirverticallychallengedf
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
随机试题
TheurgetoexploreisinnateinMan.【C1】______hisimaginationroams,Man
随着比赛的临近,心率(),血压()越明显。A.加快 B.减慢 C.升高 D
一张完整的装配图应该具备下列基本内容:一组视图、必要尺寸、技术要求、明细表和标题
血清与血浆的主要区别在于血清缺乏A.纤维蛋白 B.纤维蛋白原 C.凝血因子
--CouldIuseyourcartomorrow --Sur
基本母核的C环无羰基,1位氧原子以离子形式存在的黄酮类化合物是A:异黄酮B:黄
根据《国家电网公司变电检测管理规定》,变电站检测出现重大异常时,省公司运检部应立
下边四个图形中,只有一个是由上边的四个图形拼合(只能通过上、下、左、右平移)而成
要求召开临时股东会,必须由代表公司10%以上股份的若干股东提出才有效即为(
根据《合同法》,下列关于格式条款合同的说法中,正确的是()。 A.格式条款合
最新回复
(
0
)