Why do humans explore space?
for scientific researchfor the beauty of spaceto live in another planetto solve famine on earth
举一反三
- 中国大学MOOC: Why do humans explore space?
- Outer space ________________(not explore) by people 50 years ago.
- The central idea conveyed in the passage is that ______. A: although robots can do much dangerous and tiring work, humans are superior B: although humans are superior, robots can do much better in many areas of work C: robots will replace humans in more and more fields D: robots are superior to humans because they can do much work that humans can't do
- When we ask the question Why? ... explore its ______.
- Exploring [u] [/u] space is exciting, yet dangerous. There is [u] [/u] need for both robots and humans for space exploration. A: the; a B: a; a C: /; a D: /; the
内容
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We cannot do experients on animals for curing the humans' diseases.
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When do psychologists believe that humans begin to experience empathy?
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Do you think Ss can do the task now? Why or why not?
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21. Why, in the author's story, would it be unfair to humans if they had to play aliens?
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I don’t know _________. A: why do this B: why having done this C: why doing this D: why we ought to do this