A:罗马法的发展有利于缓和社会紧张程度
B:奴隶地位有所改善
C:材料体现了公民法的内容
D:奴隶的斗争推动了罗马法的完善
If he had really pulled the trigger, I would have __________ then and there.
设抛物线顶点在坐标原点,,准线方程为x=2,则抛物线方程是( )