Cu2（OH）CO3是一种（）。
A、强氧化剂
B、强还原剂
C、酸式盐
D、碱式盐
参考答案：D
比较大小：-4______-2．
In relation to the legal system of Cyprus, describe the meaning and effect of the following:
(a) The doctrine of necessity; (5 marks)
