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  3. Global warming refers to the average temperature of the atmosphere, oceans, and

Global warming refers to the average temperature of the atmosphere, oceans, and

游客2023-09-17  42
问题 Global warming refers to the average temperature of the atmosphere, oceans, and landmasses of Earth. [br] The average surface temperature of Earth keeps around 15℃.
选项 A、Y
B、N
C、NG
答案 A
解析 参见文章第2段第1句：The average surface temperature of Earth is about 15℃，由此可判断，地球表面的平均气温一般保持在15℃，所以本题的答案为Y。
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