狂犬病是由狂犬病毒所引起的，以侵犯________系统为主的人兽共患急性传染病。
参考答案：中枢神经
In the context of company law explain:
(a) how a director of a public company may be removed from office before the expiry of his term of office and the protection afforded by the Companies Act 1965 to such a director; and (7 marks)
下列选项中影响制碱塔内NaHCO3成核速率的因素不包括（）。
A、温度
B、杂质
C、压力
D、过饱和度
