判断下列各组单词划线部分发音是否相同。
(1)A. September B. summer
(2)A. swim B. swing
(3)A. March B. May
(4)A. up B. us
(5)A. answer B. center
(6)A. grapes B. cat
(7)A. beef B. sheep
(8)A. egg B. pen
(9)A. meat B. weather
(10)A. active B. gate