2. 外语
  3. Global warming refers to the average temperature of the atmosphere, oceans, and landmasses of Earth. To a great extent, the rap

Global warming refers to the average temperature of the atmosphere, oceans, and landmasses of Earth. To a great extent, the rap

admin2009-04-23  52
问题 Global warming refers to the average temperature of the atmosphere, oceans, and landmasses of Earth.
To a great extent, the rapid warming of Earth is caused by human activities.
选项 A、Y
B、N
C、NG
答案C
解析 全球气温的急剧变暖，从很大程度上是否与人类活动有关，并没有定论。作者指出，大多数科学家认为，至少从一些部分看，来自人类活动(most scientists believe results，at least in part，from human activities)，由此可知本题的答案为NG。
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