原题
录音 1
Why does the speaker mention the carbon content of permafrost?
ATo illustrate the potential impact of permafrost thaw
BTo advocate for increased funding for permafrost research initiatives
CTo emphasize the scale of the permafrost regions
DTo imply that the atmosphere lacks sufficient carbon to impact climate change
正确答案：A
解题思路
老师暂未填写解题思路。