Ⅱ. Essay Question (20 分)        In the past, being a teacher was a career which people showed quite some respect to. Nevertheless,nowadays, some teachers jokingly define themselves as a member in the service industry. Some evendepressingly call themselves entertainers who have to tell jokes or play some tricks irrelevant to thesubject in class to prevent students from feeling dull. How do you define yourself in the role of beinga teacher? How do you transmit knowledge to students without boring them, and in the meantime,maintain a positive relationship with students?