题目：
有哪些行为时，除按规定补票，核收手续费以外，铁路运输企业有权对其身份进行登记，并须加收已乘区间应补票价50％的票款？
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B
有哪些行为时，除按规定补票，核收手续费以外，铁路运输企业有权对其身份进行登记，并须加
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