第31题: [单项选择]______ refers to the utterance of a sentence with determinate sense and reference. A. Locutionary act B. Illocutionary act C. Perlocutionary act D. Speech act 参考答案:B 答案解析:言语行为理论(Speech Act Theory)是由英国哲学家J.Austin和J.Searle发展出来的理论,认为语言不仅可以用来表述,更可以用来“做事”,即“以言行事”(to do things