問題詳情
37. The passage suggests that which of the following helps explain; why Earth has kept most of its water?
(A) Earth's surface contains only small amounts of iron.
(B) Earth has always been cooler than Venus.
(C) Earth now has higher amounts of carbon dioxide than it used to have.
(D) Earth's atmosphere has never completely blocked sulfuric acid droplets,
(A) Earth's surface contains only small amounts of iron.
(B) Earth has always been cooler than Venus.
(C) Earth now has higher amounts of carbon dioxide than it used to have.
(D) Earth's atmosphere has never completely blocked sulfuric acid droplets,
參考答案
答案：[無官方正解]
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)
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