首页
登录
职称英语
What is the most important factor for a rocket to escape from the Earth? [br] Ho
What is the most important factor for a rocket to escape from the Earth? [br] Ho
游客
2024-07-24
11
管理
问题
What is the most important factor for a rocket to escape from the Earth? [br] How fast will a rocket go to escape completely from the Earth’s gravity? ______
选项
A、Seventy miles per second.
B、Seven thousand miles per hour.
C、Twenty-five thousand miles per second.
D、Twenty-five thousand miles per hour.
答案
D
解析
从文章的第二段最后一句,可以得知逃离地心引力的速度是每秒7英里或者每小时2万5千英里。所以本题的答案应该是D。
转载请注明原文地址:https://tihaiku.com/zcyy/3691128.html
相关试题推荐
WhatisthemostimportantfactorforarockettoescapefromtheEarth?[br]Wh
WhatisthemostimportantfactorforarockettoescapefromtheEarth?[br]As
WhatisthemostimportantfactorforarockettoescapefromtheEarth?[br]Ho
Nowitisimportantthatourdrinkingwater______purified.A、shouldbeB、isC、w
Sinceits(invent)______,thetelephonehasbecomeoneofthemostimportantte
ChinaMobileCommunicationsCorporation,animportantstate-ownedenterprise,
Itisimportanttosoundpolitewhenansweringthephone,whoeveritisfrom.A、在
WhatisthemostimportantfactorforarockettoescapefromtheEarth?[br]Wh
WhatisthemostimportantfactorforarockettoescapefromtheEarth?[br]Ho
Thepolicemustwastenotimein______theescapedmurdererintheforest.A、sea
随机试题
AlthoughBrazilhasitsshareofenvironmentalandsocialproblems,ithasi
RocketRenaissanceTheEarofPrivateSpaceflight
Thescientistscarriedouttheresearchbyusingbloodsamplesandsalivasample
CPU访问内存的速度比访问()要慢。A.寄存器 B.硬盘 C.软盘 D.磁
关于沥青老化性能评定试验,请回答以下问题。(5)关于沥青薄膜加热试验和旋转薄膜加
表现为一过性手套、袜套样感觉障碍的是A.吉兰-巴雷综合征 B.急性脊髓炎 C
关于股权投资母基金的投资特点,下列表述错误的是()。A.在选择股权投资基
使国民收入增加的因素有()。A.边际消费倾向提高 B.边际税收倾向提高 C.
物理学家丁肇中发现的新来源是( )A.黑洞 B.中子星 C.大爆炸
在我国,长期通行的看法是把教学过程看成是一种()。A.交往活动 B.获得经验
最新回复
(
0
)