圆的半径都相等.______.
根据圆的定义及圆的画法可知,圆的半径都相等的说法是错误的.
故答案为:×.
目前认为心肌保护效果更好、也方便手术的心肌保护方法是()
A.低温晶体液
B.低温氧合血
C.心肌预缺血+低温晶体液
D.不阻断主动脉
E.常温氧合血
In relation to the Malaysian legal system:
(a) Explain the structure of the court system. (8 marks)