Complex sentence: The aim of the course of being a preparation for higher education studies must be reflected in the organisation of the teaching, and teaching methods must be used which develop the independence of the students and their ability to argue, generalise and make abstractions.
Split into simpler sentences: The aim of the course to be a preparation for higher education studies must be reflected in the organisation of the teaching. Teaching methods included develop the independence of the students and their ability to argue, generalise and make abstractions.