根据最后一段中的As humans, we can have access to rare and fairly expensive metals that aren't very easy to get hold of on Earth, and a colony on Mars enhances (提高) our chances of finding these metals。(作为人类,我们可以获得稀有且相当昂贵的金属,而这些金属在地球上并不容易获得,而在...
A human mission to Mars would be a great engineering achievement, and it would be the ultimate culmination of 60+ years of rocketry and space exploitation. Enthusiasts have invented a wide variety of justifications for why we should send humans to Mars. In reality, it seems that the real ...
. Why should we explore space? . Space exploration is inspirationa . What is the origin of the universe? Humans need to explore space to survive 相关知识点: 试题来源: 解析 1.A2.D3.B4.A 1.此题为细节理解题。考查对文章一二段的理解。翻译为:许多文明已经开始探索空间了,主要是因为它能...
Why Explore Mars?A critical unknown is how life originated on Earth. Was it seeded from elsewhere, or did it generate spontaneously from indigenous nutrients? The current vogue is the belief system that life will evolDonald Rapp
I know that all of my friends feel the same way. However, we could not bring such a program to life merely by desisting from making plans for voyages to Mars. On the contrary, I even believe that by working for the space program I can make some contribution to the relief and eventual...
A. we can find rare and expe nsive metals there easily B. we ' ll get too bored to live on the earth in the future C. our tech no logy will become much adva need D. we want to know more about the unknown world 相关知识点: 试题...
This is just a plan—it's not the NASA plan. And landing on Phobos is fraught with challenges. Phobos is a low-gravity body. A single jump could send an astronaut 12 stories high, and make her wait 12 minutes until landing. (Deimos, the other moon of Mars, is smaller and has even...
Why should we study Mars when there is still so much to learn here on Earth? The answer, of course,lies in thefact that the two planets are similar, yet indeed different in important ways. Quite simply studying Mars can teach usmuch about the Earth.Mars,like Earth, has an atmosphere, ...
Why Explore Space(为什么探索外太空)批注本地保存成功开通会员云端永久保存去开通 In 1970, aZambia-based nun named Sister MaryJucundawrote toDr. Ernst Stuhlinger, then-associate director of science at NASA'sMarshall Space Flight Center, in response to hisongoing researchinto a piloted mission toMars....
WhyExploreSpace?中英文 为何要探究宇宙 [ 原版英文在后 ] 1970 年,赞比亚修女 Mary Jucunda给美国 NASA 航行中心科学副总监Ernst Stuhlinger ( 史都林格) 博士写信问道:当前地球上还有这么多少儿子吃不上饭,他怎么能舍得为远在 火星的项目开销数十亿美元 ? ? Stuhlinger 很快给Jucunda 修女回了信,他这封诚挚的...