问题 辨音题 选出每组单词中划线部分的读音不同的一项。( ) 1. A. dinner ( ) 2. A. who ( ) 3. A. doctor ( ) 4. A. village B. river B. when B. actor B. air C. birthday C. what C. author C. river D. America D. which D. for D. with 答案 1-4: C A D B