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
11
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] 【C2】
选项
答案
L
解析
这里需要一个名词,根据前后文可知这里的名词表示职业,可选的只有engineer。
转载请注明原文地址:https://tihaiku.com/zcyy/3427770.html
相关试题推荐
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Tallmenaremorelikelytohavechildrenthantheirverticallychallengedf
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
Forcenturiesmandreamedofachievingverticalflight.LeonardodaVincico
随机试题
Tedagreedto______thestrikeifthecompanywouldsatisfythedemandofthewor
______cansendaspaceshipintospace.[br]WhichofthefollowingisTRUE?A、Th
TheMostBeautifulCityinAmericaIthasbeencalledthemos
下列关于行业财务风险指标的表述,正确的有()。A.行业净资产收益率是衡量行业
下图为部分海区洋流示意图。 关于图示大洋环流位置的叙述,正确的是()。
私募基金管理人未按时履行季度、年度和重大事项信息报送更新义务累计达( )次的,
某次事故查明死亡人数为4人,直接经济损失约1200万元,则根据《水利工程建设重大
A.药效构象 B.分配系数 C.手性药物 D.结构特异性药物 E.结构非
(2018年真题)下列零部件和产品中,不属于在制品的是()。A.半成品
2017年5月10日,甲公司将其持有的一项以权益法核算的长期股权投资全部出售,取
最新回复
(
0
)