电视机（）出现故障，会导致无图，弱噪波点现象。
A、预视放
B、预中放
C、中放
D、视放
参考答案：B
A．I有=3/2A，Im=3A
B．I有=3A，I有=3A
C．I有= A，I有 A
D．I有3A，Im=6A
In the context of corporate governance, explain the rules relating to the appointment, duties and powers of a company secretary in a public limited company. (10 marks)
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