ExercisesDownloads打开原始音频 / 视频 →C1 LISTENING TESTSQuestion 1 / 6请完成全部题目,最后查看答案与解析LISTENING · C1 ▶Listen and answerENWhat causes 'desensitisation' in teenagers?ATheir addiction to being online.BThe extreme sensitivity to social rewards at their age.CThe naturally high levels of dopamine teenagers produce at their age.DThe higher intensity of social media rewards compared with real-life social rewards.保存并进入下一题 →