Compared with Nantong's one mold, two molds and three molds, one mold is the most difficult. First of all, the mock exam is used to test your own academic performance, but the following exams are not only to test your academic performance, but also to give students confidence. When you are about to take the examination room, it is normal for the school to give you a satisfactory score, mainly because you are worried that students will be hit and will not be able to play their original strength in the formal examination.