A—teaching methodology B—compulsory course C—optional course D—non-resident student E—graduation field work F—graduation project G—graduation appraisal H—correspondence school I—conservatory of music J—academy of fine arts K—physical culture institute L—normal university M—teacher's college N—vocational school O—teaching staff 51. ( )音乐学院 ( )教学法 52. ( )函授学院 ( )教学人员 53. ( )师范大学 ( )师范学院 54. ( )必修课 ( )毕业设计 55. ( )走读生 ( )职业学校