The teacher's role is not simply to ______ knowledge to students; he should also set a good example for them.
 
【正确答案】 B
【答案解析】 动词词义辨析。根据句意判断,空格处应填入“传授”之意的动词。选项中只有impart符合句意,impart to表示“传授,告知”。故答案为B。