【正确答案】正确答案：Performative utterances are not true or false, that is, not truth-evaluable; instead when something is wrong with them then they are "happy" or "unhappy" ; the uttering of a performative is, or is part of, the doing of a certain kind of action, the performance of which, again, would not normally be described as just "saying" or "describing" something. For example, when Peter says "I promise to do the dishes" in an appropriate context then he thereby does not just say something, and in particular he does not just describe what he is doing; rather, in making the utterance he performs the promise.

【答案解析】解析：(考查行事行为)