1． Cards should be organized and categorized. It depends on personal design arrangements, for example: Chinese knowledge 001, writing knowledge 002, history and geography knowledge 003, natural knowledge 004... "Category" can be used as a broad classification, and further subdivisions can be listed as "details". For example: "Writing" can be divided into appearance description, action description, expression description, scene description, beginning, end... In short, the arrangement and classification should be reasonable and easy to refer to. 2. The "Title, Author, Publisher" column should be clearly written on the card. The "Book Title" column can sometimes also be filled with the title of the article. "The publication column can sometimes also fill in the name of the newspaper or magazine in which the article is published. These three columns must be filled in clearly. In this way, it is convenient if you want to check the original text of the work. 3. The content of the card is generally relatively short and concise. Some cards You can do "sentence excerpts" and copy down the exciting fragments, sentences and words in the article. For example, the above example is a fragment of environmental description, which can be accumulated for us to learn and refer to when writing articles. Some cards can be used for "content". "Excerpt", briefly excerpt the important content of the article or make an excerpt of the titles of each part of the article. In addition, don't forget to write down the page number of the excerpted part in the book or the issue number of the newspaper after the excerpted content. 4 ．Cards can be made using special card paper or harder white paper. The general size is 12.5cm x 7.5cm. It will be more convenient to accumulate and use if stored in a special small box.
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