为了让艺术更加深入地走进百姓生活，北京天桥艺术中心提出了“让大众走进艺术、让艺术走进生活——艺术8小时”公益计划。为落实这一计划，该中心推出了“惠民票价政策”，降低观看“门槛”，吸引普通老百姓走进剧场，感受表演艺术的精彩与魅力。这一计划的实施有利于（    ）

①坚持社会效益与经济效益并重的原则，加快发展文化产业

②发展公益性文化，保障市民基本文化权益

③大力宣传先进文化，扩大高雅文化的影响力

④推进文化事业发展，丰富市民文化生活

    Hello, my name is Qin Long. I'm a student in 1big school. There are2buildings in it.

    Two classroom buildings 3on the left of the office building. My classroom is in the red classroom building.  4is next to the brown classroom building. On the 5 of the office building are the 6 and the sports hall. There are lots of books in the library. I7there on Thursday afternoon.I play basketball 8.I go to the sports hall on Friday afternoon.9 is behind the sports hall?The dining hall.We10there.The food is delicious.