It would be hard to change the material dramatically year-over-year. For example the literary section is predicated upon you having read a number of books from

It would be hard to change the material dramatically year-over-year. For example the literary section is predicated upon you having read a number of books from a certain selection, and along with other things essentially tests that you are well-read. But if the scope of books they might inquire about is too broad, many test-takers (very well-read individuals included) will fail.