Final answer:
Simple sentences should be avoided when writing a research paper to allow for more complexity and depth of ideas.
Step-by-step explanation:
The type of sentence structure that one should avoid using too much of when writing a research paper is simple sentences. While simple sentences can be effective for conveying straightforward information, they can become monotonous and limit the complexity and depth of ideas in a research paper. It is important to use a variety of sentence structures, such as compound and complex sentences, to provide a more engaging and sophisticated presentation of the research.
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