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
36
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/3426528.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
Supposeyougointoafruiterer’sshop,wantinganapple—youtakeupone,an
Alockoutoccurswhenmanagement______workersfromreturningtowork.A、prevents
ImprovingYourMotivationforLearningEnglishI.Theim
PublicStorageisaninternationalself-storagecompany.Itrentsspaces,ra
[originaltext]Acommonfeatureofbothinsectandhumansocietiesisthatt
下列不适于安装压力表的是( )。A.照明充足 B.便于观察 C.没有振动
下列关于医师开具处方和药师调剂处方应当遵循的原则正确的是A、安全、实用、有效
胆矾具有的功效是A.涌吐,杀虫 B.涌吐,截疟 C.涌吐,祛湿退黄 D.涌
甲公司为增值税一般纳税人,适用的增值税税率为13%。2×21年度,甲公司发生的有
采用两点法进行耗氧系数K1估值时,需要监测上、下游两点的( )。A.BOD浓度
最新回复
(
0
)