英语新人教版必修1 unit3 Nelson Mandela--period4 reading2整理(19)

②独一无二的职务、头衔等做表语、同位语、补足语时， 名词前不用冠词. [误]Mr. Wang was elected the chairman of this conference. [正]Mr. Wang was elected chairman of this conference. We elected him manager of the department.he is dean of the department. Mr. Smith, Chairman of the committee, is going to present the winner with the prize. Xiao Li, monitor of our class , often helps me.