首页
登录
职称英语
What is the most important factor for a rocket to escape from the Earth? [br] Wh
What is the most important factor for a rocket to escape from the Earth? [br] Wh
游客
2024-07-24
40
管理
问题
What is the most important factor for a rocket to escape from the Earth? [br] When a bicycle "coasts" downhill, it ______.
选项
A、runs along the hillside
B、does not need any further power
C、runs freely to all directions
D、does not meet with air resistance
答案
B
解析
从第三段最后一句"自由落体并不意味着火箭会朝地球落下来,而是不需要外力的帮助在太空中自由飞行,就像沿山坡滑行的自行车一样",可以判断本题的答案是B。
转载请注明原文地址:https://tihaiku.com/zcyy/3691826.html
相关试题推荐
Asinglerocketisnotpowerfulenoughtosendaspaceshipintospace.Thisi
WhatisthemostimportantfactorforarockettoescapefromtheEarth?[br]Wh
WhatisthemostimportantfactorforarockettoescapefromtheEarth?[br]Wh
WhatisthemostimportantfactorforarockettoescapefromtheEarth?[br]As
WhatisthemostimportantfactorforarockettoescapefromtheEarth?[br]Ho
Rivershavebeenimportanttoman______.[br]Inheavilypopulatedagricultural
Rivershavebeenimportanttoman______.[br]Aheavilypopulatedagricultural
Rivershavebeenimportanttoman______.[br]Inancienttimesempiresandcivi
OneimportantuseofInternetiscommunicationbetweencomputerusersbye-m
OneimportantuseofInternetiscommunicationbetweencomputerusersbye-m
随机试题
Please______fromsmokinguntiltheaeroplaneisairborne.A、refrainB、preventC、r
PassageOne[br]Whatdoes"augment"(Para.1)meaninthepassage?Increase./Enh
Scientistshavecomeupwithatheoryforwhytimeflieswhenyonarehaving
Thebetterdefinedyourhiringprocessis,themoreeasilyitwillbeadhere
心理特征是人们在认知、情绪和意志活动中形成的那些稳固而经常出现的意识特性,主要包
慢性细菌性痢疾迁延型是指病情迁延不愈,病程至少超过:A.150天 B.60天
用金属薄板作保冷结构的保护层时,保护层接缝处的连接方法除咬口连接外,还宜采用的连
A.350~400℃B.30~37℃C.18~25℃D.220~260℃E.33
符合建筑工程保险责任终止的条件不包括()。A:工程所有人对部分或全部工程签发完工
清理高层建筑施工垃圾的正确做法是()。A.将各楼层施工垃圾装入密封容器吊走
最新回复
(
0
)