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To improve academic performance, we should not only study hard, but also pay attention to learning skills and methods, so as to achieve better learning results and improve learning efficiency. First, abbreviation. The so-called abbreviation is to compress the amount of information in memory as much as possible, and at the same time basically remember what should be remembered. Remember that the main point is not to give up other content, but to understand other content, which can greatly increase the amount of information in memory and improve learning efficiency. This is how liberal arts writing works. Second, comparative learning method. Contrastive learning helps to distinguish confusing concepts and principles and deepen the understanding of knowledge. It requires us to classify knowledge according to different characteristics and then compare it with memory. For example: rights and obligations in political textbooks; Metaphor and metonymy in Chinese textbooks: parallelism and verticality in mathematics textbooks; Combination and decomposition in chemistry textbooks: Comparative learning method can be used not only for learning within the same discipline, but also for interdisciplinary comparison. For example, Chinese sentence analysis can be used to analyze political concepts and so on. Reading with questions helps to concentrate and clarify the purpose. It requires us to read the thinking questions after the text before reading, and think while reading; At the same time, we are also required to look for questions in preview, so that we can concentrate on listening when the teacher explains the questions in class; Finally, try to solve the problems one by one in practice. Don't be intimidated by the problem. The process of solving problems is the process of your progress. Fourth, the fast reading method. Speed reading method is not only used in Chinese reading, but also has important application value in browsing mathematics learning textbooks. The key points of fast reading are: (1) get rid of "argot" and browse quickly with your eyes to get information; (2) broaden your horizons and let your eyes get more information; ⑶ Grasp the teaching materials as a whole and get important information; (4) In the fast reading training, attention, observation and memory can be improved, so that the mind is agile, the brain is flexible, and the learners become smarter and smarter. Five, to achieve "three grasping" 1, grasping attitude: requires concentration and care in learning, courage to overcome difficulties in learning, accurate, neat and clean writing, and not "anticlimactic" and "dragon and phoenix dance". 2. Grasping skills: ask questions, do homework, be accurate, be fast, and have quality quickly; Language expression should be clear and vivid, manual operation, and oral recitation should be skilled. 3, grasp ability: mainly observation, attention, memory, imagination and thinking, in all after-school learning should pay attention to seriously cultivate the above abilities. To write a good composition, we can strengthen exercise from the following aspects: First, careful observation is the golden key to improve the writing level. The article is the product of objective things reflected in the author's mind. To reflect the object, you don't have to observe the objective things carefully. Only by careful observation can we find broken jade from the mineral deposits of life phenomena and grab the shining treasure from the mixed sediment. If you don't master "observation", the golden key to open the door, the "iron gate limit" of the composition will definitely be impossible. Second, reading more and reading widely is the premise to improve the writing level. To write a good article, you must read more books. "Reading is like a million volumes, and writing is like a god." "I am familiar with three Tang poems, I can't write poems and I can't sing." Mr. Lu Xun also advocates reading more books. "You must pick many flowers like bees, so that you can brew honey. If you bite in one place, your income will be limited and boring. " We emphasize that we should not only read more, but also read selectively, and even more, understand the structural skills and language characteristics of the articles we read, and master the composition from them, so as to be more profound and diverse. Third, choosing materials skillfully and carefully is an accelerator to improve the writing level. The requirement of material selection is novelty. The so-called novelty means that the batch should choose something that ordinary people have never touched, or turn a blind eye to it with profound meaning. Once the author writes in a book, it will make people think deeply about exciting materials. The angle of material selection should be small, we should see the big picture from the small place and write the materials in everyone's eyes instead of what everyone wrote. To this end, we must compare, analyze and synthesize various materials in our minds, remove the rough and extract the fine, and transform and process them. Only in this way can the materials be novel. And this kind of positive thinking and repeated deliberation is very helpful to improve the level of composition. Fourth, practicing writing often is the key to improve the writing level. Want to enter the door of composition, make continuous progress, and more importantly, practice more. As the saying goes, "it is better to write one than to read ten articles." This tells the truth that writing practice produces true knowledge. After learning an article, we understand the structural methods and writing characteristics of the article, so we must learn to use these knowledge and methods to practice and make it our writing ability. In fact, we can all practice writing after learning the first text. However, fragment practice is a good way to practice writing, which takes a short time and achieves the purpose of practicing writing. Keeping a diary is also an effective way to practice writing. Keep a diary every day, and then the Russian foundation will be solid. Fifth, diligent revision and repeated revision are the catalysts to improve the writing level. Revision is an essential step in composition and an effective measure to improve the quality of composition. The predecessors said well, "the article is never tired of changing." "The article has changed." Cao Xueqin wrote a dream of red mansions, read it for ten years, added and deleted it five times, and Tolstoy's War and Peace was revised seven times. Mr. Lu Xun advocated that "it is not a pity to read it at least twice after deciding and try to delete unnecessary words, sentences and paragraphs." It can be seen that article revision generally refers to the process from the first draft to the final draft. When repairing, we should do five things: whether the text is fluent, whether the theme is clear, whether the structure is compact and whether the language is beautiful. In short, "the article has changed." Generally speaking, the article is always getting better and better, so we should work hard on "revision".