【前言】许多考场作文常出现以下几种问题:一是选材不准,偏离主旨;二是详略不当,中心不明;三是组材无序,结构混乱;四是选材不精,立意太浅。由此可见,作文一定要紧扣主旨,善于整合与提炼、掌控与驾驭最有价值的素材,做到中心与材料有机统一起来,让二者和谐共振,产生扣人心弦的魅力! [Foreword] Many examination writing essays often have the following problems: First, they are inaccurate in material selection and they deviate from the main purpose; second, they are inappropriate in details; the center is not clear; thirdly, they are disorderly in structure and disorderly in structure; and fourth, they are poor in material selection and too shallow in concept. From this we can see that the composition must be closely linked to the subject and be good at integrating and refining, controlling and controlling the most valuable material, so that the center and the material are organically united, and the two harmoniously resonate, resulting in an exciting charm!