For example, at the end of the article "Vision of Earthworms": "Oh, I see, earthworms are completely blind. They rely on their sense of smell to find their favorite food and use photoreceptors to distinguish the intensity of light. " The conclusion is the end, which echoes the questions raised at the beginning and receives good results.
After the first draft of the paper is completed, it will be revised repeatedly. See whether the beginning is concise, whether the argument is typical and true, whether the argument is logical, whether the argument is novel and coherent, whether the paragraphs are naturally connected, and whether the language is smooth and accurate. Let the classmates and teachers help to revise, and gradually improve after the revision.