★ How to Get to Mars. Very Cool! HD隐林良 立即播放 打开App,流畅又高清100+个相关视频 更多4387 1 4:01 App 从月球上看地球是如何升起的,环月卫星实拍.mp4 1.9万 2 0:39 App 真是宇宙好火星啊 36 -- 6:45 App P900相机观察月球,火星,土星 189 -- 1:01 App 用相机和天文望远镜观察火星...
Of particular importance are the challenges of transporting cargo to Mars and in providing necessary life support for the crew, including the supply of consumables, such as food, water, air and fuel, for the return journey. In this regard the author considers how the International Space Station...
回答问题。How long will it take to get to Mars and come back from Mars together?相关知识点: 试题来源: 解析 一个完整的火星任务,包括在火星上停留一段时间,可能会持续大约2到3年。 前往火星并返回地球的总时间取决于发射时机、飞行轨迹和飞船速度等因素。单程旅行大约需要6到9个月,因此往返火星的总时间...
百度试题 结果1 题目How long will it take to get to Mars? A. About three years. B. About two years. C. About six months. D. About thirty months. 相关知识点: 试题来源: 解析 C 反馈 收藏
(1) It will take about 250 days to get to Mars and about 250 days to come back from Mars. (2) It is about 384,400 kilometers from Earth to the moon. (1) 到达火星并返回地球所需的时间取决于地球和火星之间的距离,该距离会随着两颗行星在太阳系中的位置而变化。平均而言,往返火星需要约...
,所以空格处要填入“到达”。get,及物动词,意思是得到,表示“到达”时要用get to; arrive, 不及物动词,“到达某地”要加介词;get to, 到达,后接表示地点的名词,这个地点可大可小;arrive at,到达,后接小地点名词。Mars,火星,这是一个大地点,因此不能用arrive at,要用get to.所以选C. ...
【解析】46.F47.T48.T49.F50.F解析:46.第二段A Dutch company Mars One wants toput people on Mars by 2027.可知这家公司是想把人类送去火星,而不是这家公司要去火星。47.第三段第四行Musk agrees that interest plays apart in studying space.可知Musk对宇宙空间的研究感兴趣。48.第三段最后一句Now...
百度试题 结果1 题目how long will it take to get to Mars, 相关知识点: 试题来源: 解析 最佳答案到火星需要多久 反馈 收藏
How long it takes to get to Mars depends on the planetary position and available technology. Here we explore how long a trip to the Red Planet would take.
NASA says Mars and Earth are very alike. Exploring Mars can help us learn more about our own planet' s history and future. 相关知识点: 试题来源: 解析 【答案】 (1) trying; (2)badly;(3)that;(4)a;(5)for;(6)survival;(7)to live;(8)will be sent;(9)excited;(10)biggest. ...