偏心压缩实际上就是轴向压缩和平面弯曲的组合变形问题。( )

A.能够克服免费提供公共服务所导致的对资源的不合理配置和浪费
B.无偿提供公共服务将导致无目的的补贴和资助，对社会公平造成损害
C.可以使价格真正起到信号灯的作用
D.可以增加政府的财政收入，缓和政府的财政危机

A．Tim is learning to repair jeep.
B．It is difficult to find Tim lately.
C．Tim is too busy to help them now.
D．Tim finds it difficult to pass his exams.