ExercisesDownloads打开原始音频 / 视频 →C1 LISTENING TESTSQuestion 1 / 7请完成全部题目,最后查看答案与解析LISTENING · C1 ▶Listen and answerENWhat is the main purpose of the discussion?ATo compare two contrasting experiences related to sleep.BTo raise awareness of the importance of sleep.CTo warn travellers against staying at certain retreats.保存并进入下一题 →