[问答] 适当的学术写作风格指的是： A.Shows formality and accuracy in the choice of language Avoids colloquial language，spoken expressions and cliches． B.Supports arguments by quotes，paraphrases and summaries Uses elaboration，explanation and synthesis of ideas． C.Use in-text reference and end-of-text reference list Is based on research-supported points． D.Uses subject- or field-specific language to the extent that it may be difficult for a person outside the area to fully understanthe text Uses complete sentences anparagraphs．