2026年2月托福机经套卷(第8套) - Listen to an Announcement / 3 Q2

原题

录音 1

Why is the use of electric heaters not allowed?

AThey can overload electrical systems.

BThey can affect lab experiments.

CTheir use of power is too expensive over time.

DHeat from them can damage pipes.

正确答案：A

老师暂未填写解题思路。