填空题 Some sentences do not describe things. They cannot be said to be true or false. The utterance of these sentences is or is a part of the doing of an action. They are called 1. (大连外国语学院2008研)
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【正确答案】 1、正确答案：Performative    
【答案解析】解析：施为句是用来做事的，既不陈述事实，也不描述情况，且不能验证其真假。