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
0
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、heating
B、escaping
C、expanding
D、conducting
答案
C
解析
根据句子意思判断,应选expanding gas“膨胀的气体”。
转载请注明原文地址:https://tihaiku.com/zcyy/3996428.html
相关试题推荐
Agoodartist(like)agoodengineerlearns(as)(many)fromhismistakesasfro
(Lostinthought),she(didn’thear)thethunder(tobegin)inthemountains(fa
Theengineis______at6,000revolutionsperminute.A、turninginB、turningoff
(Lostinthought),she(didn’thear)thethunder(tobegin)inthemountains(fa
Thisengineerhasdevotedthe______ofeighteenyearstothework.A、labourB、wo
Theengineerisnothappywiththeproject,and______isherboss.A、neitherB、s
Weseelightning(beforewe)hearthethunder(because)soundtravels(moreslow
Whatmakesthespaceshuttle_________isthatittakesofflikearocketbutla
ARussian-maderocket______aUStelecommunicationssatellite______successful
Therocketengine,withitssteadyroarlikethatofawaterfallorathunde
随机试题
WhatisincludedintheproposalraisedbyBelgium?[originaltext]Debt,aid
PekingoperaisoneofthefivemajortraditionaloperasinChina.Itsvoc
Havingaccesstothelatesttechnologyisincreasinglyimportantforemployees,
发起launch;initiate
Teachersandparentsnormallycallattentiontothepictureswhentheyread
当给病人用醛固酮拮抗剂治疗时,除血压会出现变化外,很可能还会出现()。A.尿量
关于房地产经纪服务主要特点的说法,正确的是()。(2010年真题)A.房地产
据对全国规模以上文化及相关产业5.9万家企业调查,2020年上半年,上述企业实现
下列投资方案中,不能采用内部收益率法进行方案选择的有()。A:净收益类型不同的方
在我国,引起肝硬化的主要病因是A.肝静脉阻塞综合征 B.酒精性肝病 C.药物
最新回复
(
0
)