题目内容
（请给出正确答案）
[主观题]
It can be concluded from the passage that ______.A．the circulation of atmosphere protects
It can be concluded from the passage that ______.
A．the circulation of atmosphere protects the biosphere and makes life on earth possible
B．if the protective atmosphere is damaged by human activity, all life will cease
C．life is the result of complex interdependent events of nature
D．despite the complexity and power of the atmosphere humans can affect it greatly
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