The following URL are materials for listening! Please download!
1. http://www.ziddu.com/download/23560124/1CampingundertheStars.mp3.html
2. http://www.ziddu.com/download/23560126/2AnnouncingtheOpeningofaNewCafeteria.mp3.html
3. http://www.ziddu.com/download/23560127/3SavetheEarth.mp3.html
You can also download from the following URL:
1. http://www.mediafire.com/listen/4ve9gl51wq2706f/#1_Camping_under_the_Stars.mp3
2. http://www.mediafire.com/listen/auw6sv40pjsw41y/#2_Announcing_the_Opening_of_a_New_Cafeteria.mp3
3. http://www.mediafire.com/listen/4h5n34n99s0pg12/#3_Save_the_Earth.mp3
The following URLs are available for you.