2026年4月托福机经套卷(第2套) - Listen to an Academic Talk / 2 Q1

原题

录音 1

What is the main topic of the talk?

AThe benefits of coral reef ecosystems

BThe behavior of fish in marine environments

CThe causes and effects of ocean acidification

DThe role of renewable energy in ocean science

正确答案：C

老师暂未填写解题思路。