2026年6月托福机经套卷(第2套) - Listen to an Academic Talk Q2

原题

录音 1

What does the speaker say about batteries when discussing solar power?

AThey are not needed.

BThey are an important innovation.

CThey may be damaged by bad weather.

DThey can be quite costly.

正确答案：D

老师暂未填写解题思路。