Oral Comprehension

Listen to the following audio tracks
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<b>Extract 1</b> 
<audio controls>
  <source src="introduction1.mp3" type="audio/mpeg">
    <embed height="50" width="100" src="mon_fichier.mp3">
</audio>
<br /><br /><br />
<b>Extract 2 </b>
<audio controls>
  <source src="introduction2.mp3" type="audio/mpeg">
    <embed height="50" width="100" src="mon_fichier.mp3">
</audio>
<br /><br /><br />
<b>Extract 3 </b>
<audio controls>
  <source src="introduction3.mp3" type="audio/mpeg">
    <embed height="50" width="100" src="mon_fichier.mp3">
</audio>
<br /><br /><br />
<b>Extract 4 </b>
<audio controls>
  <source src="introduction4.mp3" type="audio/mpeg">
    <embed height="50" width="100" src="mon_fichier.mp3">
</audio>