Sally is a good girl. She never ____  up late. Her mother wakes her up（唤醒）at 6:00 a.m. From a quarter ____  six, she begins to do sports. The she comes back and has ____  at six forty. After that, she goes to school. Sometimes she ____ her bike.
At school, Sally has seven classes on ____ . Sally is good at（擅长）English. She san speak English very well. After school she often plays ____  games with her ____ . Then she goes home by bus. She gets home before 6:00 p.m.. After
____  she begins to do her ____ . Then she ____  TV for a while, she always goes to bed before half past ten.

依次填入下列各句横线处的成语，最恰当的一项是（    ）

①我国民间许多非物质文化遗产，尽管由于技艺拥有者的观念问题而只留给家人，但仍能__________，生生不息。

②培养民族道德情操当然林从儿童抓起，但要特别提醒家长的是，单纯的说教是没有用的，__________才是根本。

③在进入20世纪之前，民族音乐长期以来主要以__________的模式，在民间、宫廷、宗教和文人群体中传承。

某经济开发区今年一月份工业产值达到80亿元，第一季度总产值为275亿元，问二、三月平均每月的增长率是多少？设平均每月的增长率为x，根据题意所列方程是（　　）