首页
登录
职称英语
The Earth has a force that pulls things toward itself. We call this force gr
The Earth has a force that pulls things toward itself. We call this force gr
游客
2023-10-06
21
管理
问题
The Earth has a force that pulls things toward itself. We call this force gravity (地心引力). This is something we live with all the time, and we take it for granted and hardly ever think about it. But it is a most important factor in rocket operation and
选项
A、To travel as fast as it can.
B、To overcome the Earth gravity.
C、To get away from the air resistance.
D、To have strong power in its operation.
答案
B
解析
从文章的第一段最后一句“地心引力是火箭飞行中的一个重要因素,如果我们想到达太空或者离开地球,我们就必须脱离地心引力”,可以得出本题的答案应为B。
转载请注明原文地址:https://tihaiku.com/zcyy/3074865.html
相关试题推荐
Tolearnthingswellandtodevelopourvarious______(able),weneedalotofpr
Healthisthebestwealththatamancanpossess,whilemoneycandomanythings
Edisonneverstopped______newandbetterwaystodothings.A、tosearchforB、t
Thethingswhichareurgentshouldbegiven______(prior)duringtheconference
Inthissense,badthings______intogoodthings.[originaltext]被动语态[/originalt
Itisnot(reason)______forchildrentoasktheirparentsfortooninnythings.
ThingsyoushouldknowaboutyourlibrarycardLibrarycardsCards
ThingsyoushouldknowaboutyourlibrarycardLibrarycardsCards
ThingsyoushouldknowaboutyourlibrarycardLibrarycardsCards
TheEarthhasaforcethatpullsthingstowarditself.Wecallthisforcegr
随机试题
Itishardtopredicthowscienceisgoingtoturnout,andifitisreally
Whatarethespeakersmainlydiscussing?[br][originaltext]M:Hi,Jane.Mindif
Oneoftheproblemsinourdailylivesisthatmanyofusrushthroughthed
某大型钢筋混凝土结构工程由AW监理公司实施监理。负责该项目的专业监理工程师在该工
下列关于漳州南靖土楼的表述,正确的有( )。A.福建土楼产生于唐朝时代,明、清
导游为实施好合理安排的原则,应处理好的关系有()。A.根据旅游团成员不同的体质情
社会工作者对服务对象负有不可推卸的伦理责任,实践活动必须以服务对象的利益为出发点
一般资料:求助者,男性,33岁,外企职员。 案例介绍:求助者大学毕业后进入某外
下列风管的制作材料,必须为不燃材料的是()。A.低温送风空调风管 B.防
宵食管反流病诊断要点
最新回复
(
0
)