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
60
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] 【C5】
选项
答案
F
解析
根据前面的were判断这里填形容词或者过去分词。意思是“这种美妙的期望没有……”,选项中只有fulfilled符合题意,意为“没有实现”。
转载请注明原文地址:https://tihaiku.com/zcyy/2810257.html
相关试题推荐
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Tallmenaremorelikelytohavechildrenthantheirverticallychallengedf
Tallmenaremorelikelytohavechildrenthantheirverticallychallengedf
Tallmenaremorelikelytohavechildrenthantheirverticallychallengedf
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
随机试题
Farmingisajobthatrequireshardworkeveryday.Inspringfarmersmustp
Becauseofherpoorhealth,themanagerpermittedher______early.A、leavingB、t
1FortheGreeks,beautywasavirtue:akindofexcellence.Personsthen
They______hisclaimofinnocencewitheyewitnesstestimony.A、refutedB、overwhe
下列吊顶材料每平方米综合单价最高的是:()A.轻钢龙骨轴线内包面积小于或等于
简单加密支付系统模型的工作流程包含以下几项:1.用户在银行开立信用卡账户,获得信
投资合规性风险管理措施要求对交易异常行为进行定义,并通过( )评估对基金经理、
预付款担保的主要作用是( )。 A、保证承包人能够按合同规定进行施工,偿还发
下列对班主任的表述正确的是( )。A.所有任课教师都可以当 B.所有任课
甲药品批发企业为了在某中医院增加其降血压药物的使用率,给予开具其降血压药处方的医
最新回复
(
0
)