A．Cross-cultural Differences    
B．Multicultural Environment               
C．How to Understand Each Other                  
D．How to Build Up a Relationship

A．The absence of blackboard in classroom.       
B．The popular use of smart phones.   
C．The lack of practice in handwriting.
D．The use of new technologies in teaching.

A．It focused on the difference between writing by hand and on a computer.
B．It indicated that students prefer to write with a pen and paper.
C．It found that good essays are made up of long sentences.
D．It discussed the importance of writing speed.