Etiket - ıelts sınav örnekleri

IELTS SORU VE CEVAPLARI

Long ago churches were built in such a way that echoes were removed through holes in the walls. Every hole was the mouth of a juglike receptacle hidden within the wall. Every jug was by nature tuned to a characteristic wavelength of! sound an would, if left empty, spontaneously 1 emit that -sound in the presence of an identical solrndyBut if a certain amount of ashes was poured inn/the jug, the ash would absorb reverberationS/alAthe jug's characteristic frequency and [...]

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