语音知识。 找出与所给单词画线部分读音相同的单词。 ( ) ⑴ear A. bear B. there C. hear D. pear ( ) ⑵please A. ready B. nineteen C. heavy D. sweater ( ) ⑶corner A. world B. doctor C. worker D. forty ( ) ⑷mouth A. their B. thanks C. brother D. this ( ) ⑸wrong A. telescope B. clock C. come D. Old