The presence orabsenceof water has a direct bearing on the possibility of life on other planets. In the nineteenthcentury, it was commonly accepted that life, perhapsevenintelligentlife, waswidespreadin thesolarsystem, and Mars was anobvioustargetin the search for life. Newphotographictechnology off...
1.The question of life on Mars depends heavily on the characteristics of its air and water. Mars has a relatively thin and dry atmosphere, with high percentage of carbon dioxide compared to Earth's atmosphere. Mars tilts about25°,which leads to seasons like those on Earth. Carbon dioxide f...
C. Whether signs of water indicate that life has existed on Mars D. How soon astronauts from Earth will be able to go to Mars 你的答案: 正确答案:C 题目解析: 登录后才能查看题目解析,还没有账号?马上注册 本文生词0 显示文中生词 登录后才能收藏生词哦,现在登录注册>...
WATER AND LIFE ON MARS The presence or absence of water has a direct bearing on the possibility of life on other planets. In the nineteenth century, it was commonly accepted that life, perhaps even intelligent life, was widespread in the solar system, and Mars was an obvioustarget in the ...
2.Scientists remain fascinated by the possibility of liquid water on Mars. Life as we know it requires water so it should be good marker for habitability. Current conditions on Mars suggest that liquid water could not occur on the surface. The low pressure and low temperature mean that ice ...
托福阅读真题第55篇WasThereWateronAncientMars? Despite Mars's bleak,cold climate today,there is abundant geologic evidence that liquid water once flowed on the Martian surface (and even recent evidence that some water still periodically flows today).The evidence of past flows includes river channels...
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托福考试内容回忆: Water and Life on Mars 本文通过各种线索探究火星上是否有生命存在,要点包括:火星表面没有水这一事实大大降低了火星存在生命性征的可能性;火星的陨石坠落到地球上,为科学家提供了有价值的研究依据:首先分析发现陨石中含有碳元素,然而碳只有在有水的条件的情况下才能形成,所以这个证据不足以证明火...
16 TF033-Where Life Arose 00:25 TF034-Water and Life on Mars 00:15 TF035-Jomon Pottery 00:18 TF036-Plant-Animal Adaptations 00:15 TF037-Seashell Artifacts 00:19 TF038-The Origins of the Arctic Fox 00:21 TF039-Deriving Scientific Facts from Theories 00:21 TF040-Industrial Activities ...
所属专辑:托福阅读 音频列表 1 TF035-Jomon Pottery 55 2023-03 2 TF034-Water and Life on Mars 67 2023-03 3 TF033-Where Life Arose 56 2023-03 4 TF032-Transport of Food to Rome 22 2023-03 5 TF031-The Behavior of Magma 50 2023-03 ...