Well, this is the page for the 5th term of the degree. To the right you'll find its program and other texts.This is the 1st pretest which, along with hw and the chart of phonemic differences (En-Fr-Sp), will be the requirements to take the 1st exam.  If it's a bit hard, take a look here for practice. Quant au français, visite cette page et cette autre. This is, besides, a guide for the 1st exam, and another for the 2nd test.

If you want to listen to loooots of different languages (including most Mexican indigenous languages, click on this link).

You might also look at the following links (pass your mouse over them to read what they're about):

As for different English dialects, look at these: for comparisons with read texts here, for comparisons among phonetic texts here, and (the best) for people talking freely, here.