直径和长度相同，材料不同的两根轴，在外力矩作用下产生的最大剪应力不同
参考答案：错
So involved in his business _________ that he can hardly accompany his wife and child at weekends.[ ]
A. the manager has become
B. becomes the manager
C. has become the manager
D. has the manager become
目前，对基金信息披露进行管理的部门主要有（ ）。
A．证券交易所
B．证券业协会
C．中国证监会及其派出机构
D．中国人民银行
