In Academic module Reading, all texts are taken from books, papers and journals like Scientific American

Academic module Reading only contains texts taken from journals.

In General Training module Reading, all texts are taken from books, papers and journals like the Economist

General Training module Reading Sections 1 and 2 contain different texts taken from more "mundane" sources.

At least one text in Academic module Reading, is on workplace-related subject

Even though this is true for General Training module, this is not the case for Academic.