There are several problems in the independent enrollment of Nanshan in Mianyang. According to the relevant data, the math problems are relatively simple, and the upper-middle level is relatively difficult, including a small number of junior high school math contest preliminary questions. Solving problems is basically the same as the senior high school entrance examination, and it is also quite difficult. Generally, the last two questions are a little more difficult. Physics is almost as difficult as the senior high school entrance examination. Generally speaking, it is biased towards the calculation of density and buoyancy. Chemistry is a little more difficult than the senior high school entrance examination, mainly depending on whether you are involved in a wider range of knowledge. Physical chemistry is actually ok, not difficult, and relatively common. English is more common, similar to the senior high school entrance examination.