The reason why the Beatles lives up to the reputation as the milestone in pop music lies in the fact that they are capable of adding their emotions and feelings for political affairs to their songs.甲壳虫乐队不负声名，是流行乐坛的里程碑，其原因在于他们能将自己对于政治事件的看法和情感融入他们的歌曲。
基础词汇强化练习
1. Human c________ is the creation of a genetically identical copy of a human being, human cell, or human tissue.
2. At least he was quite s________ about it; you can’t say he was trying to take you in.
