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改革后的新gre考试词汇量的考察下降20%，希望考生不要被下降20%所迷惑，虽然对新gre考试词汇春意义的考察减少了，但是更加注重实际语言能力的考察了，所以同学们绝对不能放松对词汇的学习，以下是小编为大家搜素的有关impromptu的考法及近义词和反义词的整理。 imprompturehearsal Her impromptu speech was well-received, giving her new confidence in her ability to speak off the cuff. 【考法1】n. 即席的表演： something, such as a speech, that is made or done extemporaneously 【近】 improvisation, extemporization 【考法2】adj. 即席的，即兴的：composedwithout previous preparation. 【例】 Our dinner guest thanked us with an impromptu song. 客人们即兴高歌一首以表达谢意 【近】 ad-lib, extemporary, improvised, offhand, unplanned, unpremeditated, unprepared, unrehearsed 【反】 considered, planned, premeditated, prepared, rehearsed 事先有所准备的 | 
