A．Gather abundant data.   
B．Organise the ideas logically.                     
C．Develop a great opening.
D．Select appropriate materials.

A．Uneasy.           
B．Uncertain.            
C．Frustrated.            
D．Depressed.

A．Those interested in the power of persuasion.  
B．Those trying to improve their public images.    
C．Those planning to take up some public work.
D．Those eager to become effective speakers.