【答案与解析】本文是一篇记叙文。即将毕业的 Madisen hallberg在公园里录制毕业典礼上唱的国歌,正巧路过此处的歌唱家 Emmanuel henreid要求一同进行演唱。两人合唱的视频感人至深。
24.A细节理解题。根据第一段“ A graduation ceremony recording of the national anthem(国歌) became semuch better when a man wandering by decided to join in with impressive harmonies. "A] l, EmmanuelHenreid的加入让这个视频更吸引人了。