3 13 The number of words in the composition of the unified examination is 6 1. 3 13 Historical essay questions are extracted from the real questions of the unified examination, with a total of 6 1 word, and the part outside the brackets is purely an introduction to the number of questions and scores, which is not helpful for us to grasp the characteristics of the investigation. But the 39 words in two brackets can be described as the best words, with huge information. From the content in the first bracket, we can know that the answer to the composition question in the unified examination needs to include two parts: one is to emphasize the "main content" of the content, and the other is to emphasize the "organizational structure" of the form.