Why didn’t people begin to use unmanned vehicles in undersea exploration until r

游客2023-10-06 64

问题 Why didn’t people begin to use unmanned vehicles in undersea exploration until recently?
It is because of the ______.
[br] When must the sonar devices be placed?
Before the ______.

选项

答案 undersea vehicle dives

解析

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Why didn’t people begin to use unmanned vehicles in undersea exploration until r

Likemostpeople,Iwasbroughtuptolookuponlifeasaprocessofgetting

Theadvantageofoverheadbridgesisthat______.[br]Whatdooldpeoplethink

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),

Mostparentsandteachersdonotlikeyoungpeopletoreadcomicbooks(连环画),

Mostparentsandteachersdonotlikeyoungpeopletoreadcomicbooks(连环画),

Heescapedfromthebattlefieldonly______bythelocalpeople.A、killedB、toki

VisitorstotheUnitedStatespossiblyfeelthatcitypeopleofthecountryare

ManyvisitorstotheUnitedStatesfindthatthefastpaceatwhichpeoplemo

Nowadayspeoplecelebrateallkindsofgraduations.Studentsgraduatefro

BilingualeducationiscontroversialintheUnitedStates.【C1】______,agrow

Oldpeoplearealwayssayingthattheyoungarenotwhattheywere.Thesame

以下关于护理保险的说法，正确的是()。A.患有老年痴呆的人由于能完成一些日常

同盟会的政治纲领被孙中山解释为“三民主义”，具体指（??）A.民族、民主、民权

若收到某海明校验码1110010，其中信息4位，校验码3位，问正确的信息是(

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