举高消防车的举升系统由()组成。
A、液压装置
B、电气系统
C、汽车底盘
D、水路系统
E、工作臂
参考答案：A, E
You fool! You __________ all the people in the car yesterday if it had not been for me．You were so drunk while driving!
A．could kill
B．might have killed
C．had killed
D．should have killed
TMD的可逆性咬合治疗是（）。
A.咬合重建
B.正畸
C.调
D.调位性咬合板
E.以上都不是
