首页
登录
职称英语
The rocket engine, with its steady roar like that of a waterfall or a thunde
The rocket engine, with its steady roar like that of a waterfall or a thunde
游客
2025-03-14
1
管理
问题
The rocket engine, with its steady roar like that of a waterfall or a thunderstorm, is an impressive symbol of the new space age. Rocket engines have【76】powerful enough to shoot astronauts【77】the earth’s gravitational pull and【78】them on the moon. We have now become【79】in space.
Impressive and complex【80】it may appear, the rocket, which was【81】in China over 800 years【82】, is a relatively simple device. Fuel that is【83】in the rocket engine changes【84】gas. The hot and rapidly【85】gas must escape, but it can do so only through an opening that faces backward. As the gas is radiated with great force, it pushes the rocket in the opposite direction. [br]
选项
A、made
B、discovered
C、developed
D、invented
答案
D
解析
根据词义的区别,invented(发明)合乎题意。
转载请注明原文地址:https://tihaiku.com/zcyy/3996424.html
相关试题推荐
Agoodartist(like)agoodengineerlearns(as)(many)fromhismistakesasfro
So______istheweatherinEnglandthatbylunchtimetherecouldbethunderand
Weseelightening(beforewehear)thethunderit(causes)becausesoundtravels
(Lostinthought),she(didn’thear)thethunder(tobegin)inthemountains(fa
(Anumber)ofthese(who)(study)engineeringisincreasing(steadily).A、Anumbe
Weseelightning(beforewe)hearthethunder(because)soundtravels(moreslow
Whatmakesthespaceshuttle_________isthatittakesofflikearocketbutla
ARussian-maderocket______aUStelecommunicationssatellite______successful
Therocketengine,withitssteadyroarlikethatofawaterfallorathunde
Therocketengine,withitssteadyroarlikethatofawaterfallorathunde
随机试题
It’sthedreamofmanyanofficedweller:Retireextremelyearlyandtravel
Whatisthespeaker’sfieldofstudy?[br][originaltext]I’mcurrentlyst
Howdoesliterarystyleevolve?Surprisingly,(1)_____lieinwordswithseem
动脉血压变动于10.7~24.0kPa范围内时,肾血流量保持相对稳定属于:(
下列关于安全帽的使用做法中,错误的是()。A.作业中将安全帽脱下,当坐垫使
下列属于矿渣硅酸盐水泥的优点的是()。A.水化热低 B.抗硫酸盐侵蚀性能
患者,女性,10岁,发作性双眼瞪视不动,呼之不应,每周3~4次,每次15秒左右,
有关尿液检查的讨论,正确的一项是A.正常人尿比重固定 B.正常人尿液中都有少量
如右图所示,一个边长为10厘米的正方体木块ABCD-A1B1C1D1,点E、F分
火灾警报器的设置不宜与()设置在同一面墙上。A.区域显示器 B.消防专用电话
最新回复
(
0
)