社会学家马克斯·韦伯将权威分为三种类型：传统型权威、魅力型权威和（）
A.专家型权威
B.法理型权威
C.感情型权威
D.家长型权威
参考答案：B
(2010·上海)Wind power is an ancient source of energy ________ we may return in the near future.
A．on which
B．by which
C．to which
D．from which
