世界上最早发明和使用麻醉剂的人是我国的( )
A.扁鹊
B.华陀
C.孙思邈
D.李时珍
参考答案:A
With reference to the Companies Act 1965, explain how the common law position relating to the ultra vires doctrine has been modifi ed in Malaysia. (10 marks)
缩聚部分液位偏低时,可通过提高()来弥补。
A、温度
B、真空度
C、搅拌转速
D、酯化部分温度