原题
录音 1
According to the speaker, what does the precautionary principle emphasize?
AWaiting for scientific consensus before making a decision
BActing decisively as soon as it has been established that harm has occurred
CAvoiding anything that risks serious harm even when the harm is not certain
DAvoiding unnecessary development projects in protected areas
正确答案：C
解题思路
老师暂未填写解题思路。