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【题目】The lack of eco-friendly habits among the public is thought to be a major __________ of global climate change.

A. result B. cause

C. warning D. reflection

【答案】B

【解析】句意:公众缺乏环保的行为习惯,这被认为是全球气候变化的主要原因。cause原因,符合题意。result结果,成效;warning警告;reflection反射,反省。

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