2. 职称英语
  3. As evidence that the Earth’s atmosphere is warming continues to accumulate, scie

As evidence that the Earth’s atmosphere is warming continues to accumulate, scie

游客2023-10-07  53
问题 As evidence that the Earth’s atmosphere is warming continues to accumulate, scientists are making slow progress toward an answer to the big question raised by the evidence: How much of the warming is due to human activity and how much to natural causes?
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答案 地球大气层正在转暖，这种迹象日益明显，这向人们提出了一个重大问题，科学家们对这一问题也逐步给出了答案即：地球变暖在多大程度上应归咎于人类的活动，又在多大程度上是自然原因引起的?
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