宪法的内容具有普遍性和稳定性，一切公权力行为都要遵循宪法，不与宪法相抵触。
参考答案：对
At least 24 people _______ in the earthquake in Yingjiang on March 10th.[ ]
A. killed
B. were killed
C. are killed
D. have killed
在滑油添加剂中防止低温时生成油泥沉淀物的添加剂称为（）。
A．抗氧化抗腐蚀剂
B．清净性添加剂
C．防锈剂
D．分散剂
