2026年6月托福机经套卷(第1套) - Listen to an Academic Talk / 2 Q3

原题

录音 1

What makes PTFE special?

AIt is available in gas and liquid form.

BIt can be used in medicines that cure poisoning.

CIt is unusually stable.

DIt can be mixed with TFE.

正确答案：C

老师暂未填写解题思路。