Tobeagoodteacher,youneedsomeofthegiftsofagoodactor;youm...
问题详情：Tobeagoodteacher,youneedsomeofthegiftsofagoodactor;youmustbeabletoholdtheattentionandinterestofyouraudience;youmustbeaclearspeaker,withagood,strong,pleasantvoicewhichisfullyunderyourcontrol;an...