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
2024-02-06
49
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] 【C8】
选项
答案
I
解析
这里需要名词,意思是“任何难以到达地方的紧急……好像都是为直升飞机准备的任务”,符合题意的只有mission,意为“紧急的任务”。
转载请注明原文地址:https://tihaiku.com/zcyy/3426526.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
She’scute,noquestion.Symmetricalfeatures,flawlessskin,lookstobe22
February14isValentine’sDay.Althoughitiscelebratedasalovers’holid
Historically,dictionarieshavebeenthoughtofasdullandmechanicalwhich
67岁老年男性患者,3年前确诊为肺心病,近5天来咳嗽、咳痰、喘息加重,双下肢水肿
下列选项中属于责任保险的有( )。A.公众责任保险 B.产品责任保险 C.
下列关于证券经纪业务特点的说法中,正确的有()。 Ⅰ.在证券经纪业务中,客户是
学生在运动会之前在老师的指导下进行队列训练,这种队列训练的行为属于一种A.自愿模
土建设施验收细则中,规定变电站进站道路应满足消防通道的要求,且路基宽度和平曲线半
企业职工一方可以与用人单位平等协商,订立集体合同,下列不属于集体合同内容的是()
人在每一瞬间,将心理活动选择了某些对象而忽略了另一些对象。这一特点指的是注意的(
最新回复
(
0
)