找出斜体部分读音与其他三个不同,把序号填在括号内。
( )(1)A. bearB. thereC. hearD. pear
( )(2)A. readyB. nineteen C. heavyD. sweater
( )(3)A. wordB. doctorC. worker D. forty
( )(4)A. theirB. thanksC. brother D. this
( )(5)A. bagsB. hensC. mapsD. farmers
( )(6)A. cool B. gooseC. schoolD. good