To make students familiar with the accent. And the natural rate. Native speakers. Which led to a hearing in their own daily lives go on without using the subtitles.
To make students familiar with the actual accent and natural speed rate of the native speakers, which leads to listening in everyday life by yourself anyway, without the use of a lecture.
so that students become familiar with the actual rate and accent the speed that is in the nature of the owner language which leads to listen to the following daily life on their own, without the character lecture