1, gresub is an extended version in theory; Mathematics multiple-choice questions in college entrance examination; The gresubjectTest is a professional test to test candidates' professional knowledge and ability level in a certain subject field, which has nothing to do with the generaltest and is self-registered.
2.sub's test questions are not difficult, and the test sites are mainly based on basic concepts and conclusions plus flexible use, but the difficulty of the questions is gradually increasing; The problem appears after 45 questions, and the score of each sub-question is expected to be very low, because the intensity of the sub-test is too great, and if you don't train at ordinary times, your physical and mental strength will be overdrawn.