2026年7月托福机经套卷(第1套) - Listen to an Academic Talk Q3

原题

录音 1

What was an advantage of updraft kilns?

AThey controlled oxygen and affected color.

BThey made pots without heat.

CThey were used only in Europe.

DThey eliminated the need for clay.

正确答案：A

老师暂未填写解题思路。