2026年2月托福机经套卷(第1套) - Listen to an Academic Talk Q2

原题

录音 1

What does the term "upsweep" refer to?

AA method of collecting data underwater

BThe shape of an area on the ocean floor

CA sound with particular characteristics

DThe migration pattern of some whales

正确答案：C

老师暂未填写解题思路。