原题
录音 1
What does the speaker say about highly experienced ice skaters?
AThey prefer to skate on ice that has been solid for several days.
BThey use special techniques to control friction.
CThey train on surfaces that are less likely to melt under pressure.
DThey use blades made of special materials.
正确答案:B
解题思路
老师暂未填写解题思路。