慢性心房颤动伴二度房室传导阻滞者,应首选的起搏器型号是
A.ICD型B.VVI型C.AAI型D.VOO型
参考答案:B
制氢生产中的溶液脱硫为()吸收,()再生。
A、高温,高温
B、低温,高温
C、低温,低温
D、高温,低温
In relation to company law, explain:
(a) the statutory and common law duties of auditors; (6 marks)