屋顶绿化可按()分成若干个种植区,区域区之间设小道。
A、排水要求
B、植物姿态
C、植物特性
D、地块面积大小
参考答案:C
求证:当k≠0时,方程kx2-2(k-1)x+k-2=0有两个不相等的实数根.
In relation to the law of delict, explain the meaning of the expression ‘contributory fault’. (10 marks)