_湖南成考网

The reason why some professors ask students to make presentations and lead discussions is that____．

• A、these professors are often not well prepared before class
  

• B、these professors want to stress“doing”

• C、these professors want to test the students’abilities

• D、these professors are not wiHing to teach theory

52.__________?

“Participation in the classroom is not only accepted but also expected of the student”in many courses except in____．

• A、science and mathematics
  
• B、the humanities and social sciences
  
• C、informal lecture courses
  
• D、discussion courses