_山东成考网

53__________ ?

请选出下面粗体字母读音不同的选项（　　）。。

• A、hour
  
• B、four
  
• C、flour
  
• D、our

Which of the following sentences is true according to the passage?

• A、Student participation is not common in the classroom in many courses like society．
  
• B、Some professors want to control the classroom discussion．
  
• C、Some professors usually want the students to take part in the teaching of science and mathematics．
• D、New educational trends have turned up in teaching of natural sciences such as chemistry．