classes: lecturer. About the doubledot presentation marking, the lecturer does not pay attention to marking the presentation and watch the student to mark the presentation, but just do other things separately, sometimes not knowing if the other student has presented or not. curriculum. About the doubledot presentation marking, the lecturer does not pay attention to marking the presentation and watch the student to mark the presentation, but just do other things separately, sometimes not knowing if the other student has presented or not. facility. About the doubledot presentation marking, the lecturer does not pay attention to marking the presentation and watch the student to mark the presentation, but just do other things separately, sometimes not knowing if the other student has presented or not. general. About the doubledot presentation marking, the lecturer does not pay attention to marking the presentation and watch the student to mark the presentation, but just do other things separately, sometimes not knowing if the other student has presented or not.