在2015年央视春晚节目中，《梨园芳华》糅合了京剧、川剧等各派戏曲艺术，呈现出浓浓的中国风韵。下列关于“戏曲艺术”的表述正确的是

选出下列没有语病的一项（    ）

已知数列{a_n}的前n项和为S_n．且S_n=2n²+2n．

阅读短文，回答下面的问题。
    I'm John．My father's birthday is on January 5th．My mother's birthday is in January，too．My birthday is on April 4th．My brother's birthday is on November 2nd．Today is my sister's birthday．Her birthday is on October 3rd．It's her eleventh birthday．I buy a big cake for her．We have a birthday party in the evening．

根据句意及首字母提示完成单词