Answer: An expository text is an example of Academic English. Unlike fiction, an expository text is based on facts and a reliable source. Its aim is to educate and provide to its readers true information that are credible and based on factual sources. However, whether an expository text is considered academic English depends on the context. If the expository text is written for an academic audience, such as a research paper or textbook, then it would be an example of academic English.