非音质音位的教学与辅导是普通话教学中的一个重点和难点。
The non-tone quality phoneme is an important and difficult point in he teaching and coaching of Putonghua.
本文探讨了普通话教学的难点，以及推广和普及普通话的有效途径。
The article has talked the difficulty of mandarin teaching and the effective way of spreading mandarin.
文章阐述了普通话教学如何为测试服务的问题，并详细介绍了逆序训练法。
This paper mainly describes how teaching serves for the test and introduces the reversal training procedure we ve used.
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