In the past, the global average temperature may have been 27℃. There are discrepancies between trends in surface temperatures a

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问题 In the past, the global average temperature may have been 27℃.
There are discrepancies between trends in surface temperatures and those in the troposphere in the Antarctic.

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答案NG

解析 根据题干中的信息词discrepancies、troposphere和the Antarctic定位到第三个小标题下的最后一段,可知还有一些异常情况:南极部分地区温度似乎在下降,表面温度的变化和对流层温度的变化并不一致,但原文并没有明确指出温度变化的不一致出现在南极地区。
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