Final answer:
Specialized vocabulary, sentence structure, and not skin color or religious beliefs are common features of an academic discourse community in English.
Step-by-step explanation:
A common feature of an academic discourse community in English is specialized vocabulary. Academic disciplines often have their own jargon and terminology that is specific to their field. For example, in literature, terms such as 'metaphor,' 'irony,' and 'foreshadowing' are commonly used.
Another feature of an academic discourse community in English is sentence structure. Different disciplines may have specific expectations for how sentences should be constructed and organized in academic writing.
Features such as skin color and religious beliefs are not common in determining an academic discourse community in English.
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