CVC止推轴承的作用是承受轧制过程中的径向力。
参考答案：错
党对公安工作领导的( )，就是要求公安机关必须无条件地置于党中央及各级党委的领导之下，不得以任何理由或借口削弱、抵制、损害或者摆脱党的领导。
A．全面性
B．直接性
C．绝对性
D．无条件性
The man ______ was a friend of mine．
A．you just talked to
B．whom you just talked to him
C．who you just talked to him
D．which you just talked to
