classes: lecturer. activity about the lecture in the classroom, back up a part of theoretical knowledge is very useful for students, the way of teaching is very ok. curriculum. activity about the lecture in the classroom, back up a part of theoretical knowledge is very useful for students, the way of teaching is very ok. facility. activity about the lecture in the classroom, back up a part of theoretical knowledge is very useful for students, the way of teaching is very ok. general. activity about the lecture in the classroom, back up a part of theoretical knowledge is very useful for students, the way of teaching is very ok.