南诏统一了六诏，_______封其首领为云南王。[ ]
A．唐中宗
B．唐玄宗
C．武则天
D．唐太宗
答案：B
In terms of the Companies Act, 1995, explain:
(a) the role of the Registrar of Companies in the registration process of a company; and (5 marks)
发电机失磁的机端测量阻抗分为哪几个阶段？
