—___ do we need to move to Mars?—Earth is crowded and polluted. A. How B. Why C. What D. Where 相关知识点: 试题来源: 解析 B 【详解】 句意:——为什么我们需要搬到火星?——地球很拥挤且污染严重。 考查特殊疑问句。How怎样;Why为什么;What什么;Where在哪里。答语“Earth is crowded and ...
(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500...
18.-Could you tell us to travel from Earth to Mars by spacecraft?-It takes months.I think.( )A.how far it takesB.how often does it takeC.how long it takesD.how soon does it take
aI am so happy for you. ...If you not allways get what you want you realize how good something is. Kiss. 我为您是很愉快的。 …,如果您不是allways得到什么您想要您意识到多么好某事是。 亲吻。[translate] a你知道火星离地球多远吗 You knew Mars leave the Earth to be far[translate]...
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.
The distance to Mars from Earth constantly changes as they orbit the sun. The average distance between Earth and Mars is 140 million miles (225 million km).
百度试题 结果1 题目So far, how long will it take us from the Earth to Mars by spaceship?Two or three days.A few months.A few daysA few years. 相关知识点: 试题来源: 解析 最佳答案B 反馈 收藏
Mars is the planet of action and war. It rules over physical strength, courage, and self-assurance. While Mars can be a bit feisty, it can also encourage you to get off your feet and get active!
It can take up to 10 months for a spacecraft to get from Earth to Mars. But the entire journey can be in vain if something goes wrong in the last six minutes. That’s how long the vehicle has to slow from its initial descent rate of 12,000 miles per hour to near zero for a sm...
--- it is from our own planet Earth to Mars!---Yes, it takes months to travel to Mars by spacecraft.A. How soonB. How farC. How longD. How often