Enlightened by how the people ' s activities divided in philosophy , the activities in the activity - teaching view was divided into the following four kinds : activity emphasizing on practice , on cognition , on a estheticism , and association activity loaded by the former three kinds of activities . the writer discusses the purpose , the content and the teaching organization in each of the former three kinds of activities , on association activity , the writer discusses the necessity to carry on it , and put forward some suggestions on organizing the association activity
मोबाइल