精选优质文档-倾情为你奉上2009年成人高等学校专升本招生全国统一考试英语IPhonetics(5 points)Directions：In each of the following groups of words，there are four underlined letters or letter combinations marked A，B，C and DCompare the underlined parts and identify the one that is different from the others in pronunciationMark your answer by blackening the corresponding letter on the Answer Sheet1Aquiet Bsociety Cyield Ddiet2Afourteen Bsource Cyours Dtournament3Acustomer B
