Ouestion 1: Pick out the word with the underlined part pronounced differently from that of
1.A. Concerned B .received. C.attached D.cconcealed
2.A.beds. B.doors. C.students. D.plays
3.A.sugar. B.sister. C.sign. D.singer
4.A.of. B.cafe'. C.knife. D.leaf
5.A.leisure. B.pressure. C.treasure
D.pleasure