snowboard halfpipe 单板滑雪U型池 dislocate 使脱臼 Directions: You will hear an interview of China’s medalist，Liu Jiayu at the Pyeongchang Winter Olympics in 2018. She snatched a medal in the women's snowboard halfpipe. Please choose the best answer to each question.
1.What kind of medal did Liu Jiayu claim at Pyeongchang Winter Olympics?