所有（）自觉承担治安责任义务.形成全社会的治安控制系统。
A.社会组织
B.社会机关
C.社会成员
D.事业单位
参考答案：A, C
He was lucky enough to sell his car for exactly ______.
A．where he had paid for it
B．what he had paid for it
C．what he was paid for it
D．which he had paid for it
《神华集团井工煤矿本质安全管理考核评分标准》规定，每班次对蓄电池的电压、温度、密度等进行测试，抽查点覆盖率不小于（），并有记录。
A.15%
B.20%
C.25%
D.30%
