所有这些替代的组合，构成一个补偏救弊的系统。

The integration of those constitutes a system to rectify abuses .

最后，针对这种大学入学考试方案的不足，本文设想了通过完善本科生转专业制度作为大学统一入学考试的补偏救弊之策。

Finally, in response to the shortage of the college entrance examination, this paper plans a remedying strategy, that is, the undergraduates are permitted to change the major after the enrollment.