2026年7月托福机经套卷(第1套) - Listen to an Academic Talk / 2 Q1

原题

录音 1

What is the science podcast mainly about?

AMicrobes released by thawing permafrost.

BA new Arctic hiking trail.

CThe history of carbon dioxide research.

DHow to build climate models.

正确答案：A

老师暂未填写解题思路。