题目内容
(请给出正确答案)
[主观题]
A.Man will probably be able to live there in 200 years.B.Scientists are rather pessimi
A.Man will probably be able to live there in 200 years.
B.Scientists are rather pessimistic about it.
C.Man will probably be able to live there in 100,000 years' time.
D.Scientists are optimistic about overcoming the difficulties soon.
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