2026年7月托福机经套卷(第1套) - Listen to an Academic Talk / 2 Q3

原题

录音 1

What point does the speaker make about permafrost carbon?

AIt holds about double the carbon in the atmosphere.

BIt contains no organic material.

CIt is found only in oceans.

DIt cannot be measured.

正确答案：A

老师暂未填写解题思路。