首页
登录
职称英语
Why didn’t people begin to use unmanned vehicles in undersea exploration until r
Why didn’t people begin to use unmanned vehicles in undersea exploration until r
游客
2023-10-06
13
管理
问题
Why didn’t people begin to use unmanned vehicles in undersea exploration until recently?
It is because of the ______.
[br] Why is ocean exploration not so expensive as space travel?
Because ______ for submersibles to get away from the Earth’s gravity.
选项
答案
there’s no need
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3075106.html
相关试题推荐
Wemustservethepeopleheartandsoul.A、我们必须全心全意地为人民服务。B、我们必须用心和灵魂为人民服务。C、我们
Beforeliberation,thelaboringpeopleworkedhardonlytoliveapoorlife.A、解放
Mostparentsandteachersdonotlikeyoungpeopletoreadcomicbooks(连环画),
Heescapedfromthebattlefieldonly______bythelocalpeople.A、killedB、toki
VisitorstotheUnitedStatespossiblyfeelthatcitypeopleofthecountryare
VisitorstotheUnitedStatespossiblyfeelthatcitypeopleofthecountryare
VisitorstotheUnitedStatespossiblyfeelthatcitypeopleofthecountryare
Todayalmosteverybodyisusingacellphone.Nowpeopleareabletocarryth
Inthecourseofhistory,people______(send)messagesinmanydifferentways.ha
Manypeoplewholiveincitiessaythattheydislikecitylife.Theysaythe
随机试题
TheBureauofLaborStatisticspredictssomejobsectorsstillwillbehotbetwe
Verylittlewassaidaboutthematter,wasn’tit?A、isitB、wasthereC、wasitD、
UNICEFisjoiningwithanonprofitgrouptobringAIDS【D1】______programsto
()惊蛰()冬至[br]()大暑()芒种O、Q
一般而言,存货周转次数增加,其所反映的信息有()。A.盈利能力下降 B.存货周
下列银行卡中,用款方式为无须存款、先消费、后还款,并且没有存款利息的是()。
根据测绘内业生产安全管理对作业场所的要求,以下说法中,正确的有( )。A.玻璃
石先生,男,56岁。患尿毒症,精神萎靡。下腹无胀满,24小时尿量为60mL。请问
新建变电站的站用变压器、接地变压器(____)布置在开关柜内或紧靠开关柜布置,避
四种不同截面的悬臂粱,在自由端的受力方向如图所示。C为形心,S为弯曲中心,则可以
最新回复
(
0
)