1. Use professional duplicate checking software: There are many duplicate checking softwares on the Internet, such as Turnitin and Grammarly, which can effectively detect plagiarism.
2. Self-check: Before submitting the paper, conduct a comprehensive duplicate check by yourself. Including checking whether the citations and references are accurate and whether there are unmarked citations.
3. Use duplicate checking tools: There are some duplicate checking tools on the Internet, such as Copyscape and Plagscan, which can help you check whether there is plagiarism in your paper.
4. Understand the duplicate checking requirements of the school: Different schools may have different duplicate checking requirements, so it is best to understand the duplicate checking requirements of the school before handing in the papers.
5. Avoid over-quoting: Although this is necessary, over-quoting may lead to high duplicate checking rate of papers. Therefore, in the process of writing, we should try to avoid over-quoting.
6. Re-reading and revision: After completing the first draft, it takes time to re-read and revise the paper to ensure that all citations and references are correctly marked.
7. Seek help from others: If possible, ask teachers or classmates to help check the copy of the paper. They may find problems that you overlooked.
Generally speaking, the key to duplicate checking of the first draft of a paper is to have a rigorous attitude, abide by the principle of academic integrity and make good use of various duplicate checking tools and resources.