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
16
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
An"obviousandstrikingfeatureofthelatetwentiethcenturyworld,"note
[originaltext]W:JimWhiteiseditorofBusinessTravelWeekly.Jim,thanksfor
[originaltext]Alcoholismisaseriousdisease.Nearly9millionAmericansalone
【B1】[br]【B3】[audioFiles]audio_eusm_j01_084(20099)[/audioFiles]passions空前的形容词表
不平衡电流主要是由于三个电流互感器的励磁电流()而产生的。A.相等
下列关于银行混合类理财产品的描述,错误的是()。A.通过组合投资,可以分散
关于设备租赁的说法,错误的是()。 A.融资租赁通常适用于长期使用的
井口房设施的主要功能有()。A.生产指挥中心 B.矿物或矸石堆场 C.矿物或
对混凝土有快硬高强要求的条件下不宜使用()。A.硅酸盐水泥 B.普通硅酸盐水
知识点:骶髂关节 男,25岁。腰骶部疼痛6个月,活动受限,可能的病变部位
最新回复
(
0
)