选出下面单词划线部分不同类的一项：
1. A. make B. late C. map D. male
2. A. famous B. found C. shout D. ground
3. A. worked B. called C. stayed D. lived
4. A．mouth B．round C．group D．ground
解析：
原：make late map male
英：[meɪk] [leɪt] [mæp] [meɪl]
美：[mek] [let] [mæp] [mel]
原：famous found shout ground
英：[ˈfeɪməs] [faʊnd] [ʃaʊt] [graʊnd]
美：[ˈfeməs] [faʊnd] [ʃaʊt] [ɡraʊnd]
原：worked called stayed lived
英：[wɜːkt] [kɔːld] [steɪd] [lɪvd]
美：[wɝkt] [kɔld] [steɪ] [ˈlaɪvd]
原：mouth round group ground
英：[maʊθ] [raʊnd] [gruːp] [graʊnd]
美：[maʊθ] [raʊnd] [ɡrup] [ɡraʊnd]
答案：C A A C
