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
2024-07-19
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/3683700.html
相关试题推荐
Somepeoplemightputthisquestion:Howusefuliswalkingforyourhealth?
Peopleacquireknowledge,skills,【11】,values,orattitudesthrougheducatio
Peopleacquireknowledge,skills,【11】,values,orattitudesthrougheducatio
Peopleacquireknowledge,skills,【11】,values,orattitudesthrougheducatio
Computersarethoughtofagreattechnologicalimprovementthatsavespeoplemuc
Asthepriceofoilkeeps______,peoplehavetopaymorefordrivingacar.A、to
Friendshipisbothasourceof【11】andgoodhealth.Peoplewhohaveclosefri
Friendshipisbothasourceof【11】andgoodhealth.Peoplewhohaveclosefri
Friendshipisbothasourceof【11】andgoodhealth.Peoplewhohaveclosefri
WhenfiledestroyedahomeduringtheDarkAges,people______.[br]Para.2mai
随机试题
Thedrinkwaspackagedinchampagnebottlesandwasbeing______astherealstuff
[originaltext]"Damageisexpectedtototalintothetensofmillionsofdol
哪个不是牙周炎的四大症状A.牙周袋形成 B.牙龈炎症 C.牙槽骨吸收 D.
下列病原体中,不属于对磺胺类药敏感的是A.沙眼衣原体 B.大肠杆菌 C.溶血
下列哪项与阿托品阻断M胆碱受体无关A.解除小血管痉挛 B.瞳孔扩大 C.心率
家长对于3-4岁孩子发展特别在意,作为老师你该怎么办?
患儿,女,8岁。因不慎让开水将下肢小腿轻度烫伤。急用药物粉剂调敷,应选的药物是A
下列关于热红外影像上水体色调的说法中,正确的是( )。A.白天呈暖色调,晚上呈
下列债券不可上市流通的是()。A.记账式国债 B.凭证式国债 C.金融债
人体实验的核心宗旨是A、以人作为受试对象的试验 B、人体实验时必须要做到真正的
最新回复
(
0
)