classes:  lecturer. Lack of enthusiasm with students, most of the class gives them self-made problems and no suggestions as well as create the best conditions for students.  curriculum. Lack of enthusiasm with students, most of the class gives them self-made problems and no suggestions as well as create the best conditions for students.  facility. Lack of enthusiasm with students, most of the class gives them self-made problems and no suggestions as well as create the best conditions for students.  general. Lack of enthusiasm with students, most of the class gives them self-made problems and no suggestions as well as create the best conditions for students.