[解析]
(1)细节理解题。根据第一段The students were part of a Slam Poetry Competition at the Brave New Voices Festival.Slam poetry is a combination of writing and performing poetry,with audience participation.(这些学生参加了"勇敢新声音"诗歌节上的一场即兴诗歌比赛。即兴诗歌是一种将诗歌创作与表演相结合,并且有观众参与的活动)可知,诗歌朗诵比赛的特点是参赛者应该自己写诗。故选C。
(2)推理判断题。根据第三段My 15﹣year﹣old sister is a member of Meta﹣4 Houston.I came to the competition site with her and the team from Texas to Washington,D.C.(我15岁的妹妹是Meta﹣4 Houston的成员。我和她以及来自德克萨斯州到华盛顿特区的团队一起来到了比赛现场)可知,作者来到比赛现场是为了陪一个队员。故选D。
(3)细节理解题。根据第五段But the experience was as much about good relationship as it was about winning,the poets said.(但诗人们说,这段经历既是关于赢得比赛,也是关于建立良好关系的)可知,除了在诗歌比赛中获胜,诗人们还看重他们之间的友谊。故选B。
(4)推理判断题。根据最后一段中"I started writing poetry when I was 12,which was a very transitional period for me," Adriana explained. "I was trying to figure out who I was and how I fitted in.That translated to processing my emotions through poetry.For a while,I was just writing.But then I saw a poem video.It made me realize I could do something new with my words.With some improvisation (即兴表演) and skill,I got on the team four years ago.I've been on it ever since."(Adriana解释说:"我12岁的时候开始写诗,那是我人生的一个过渡期。我正试图弄清楚我是谁,以及我如何融入社会。这转化为通过诗歌来处理我的情绪。有一段时间,我只是在写作。但后来我看到了一首诗的视频。这让我意识到我可以用我的文字做一些新的事情。通过一些即兴表演和技巧,我在四年前加入了团队。从那以后我就一直在。")可推知,诗歌帮助她成长。故选A。