According to relevant information, paper sampling means that the Ministry of Education or the school organizes your paper to be sent to a third party, and the third party sends it to other institutions for review. When judging two A's, one B's or two B's, one A's or 3a3B's, they can pass, but some institutions 3B are not allowed to pass, and some institutions cannot pass as long as they have C. For specific information, please pay attention to official website for first-hand authoritative information.