【单选题】dualA．n.广播,电台;v.广播; 播放B．n. 运行,运作; v. 运行,起作用C．adj.双的,两部分的 n.双数D．电脑打印稿, 硬拷贝
【单选题】dual
A．n.广播,电台;v.广播; 播放
B．n. 运行,运作; v. 运行,起作用
C．adj.双的,两部分的 n.双数
D．电脑打印稿, 硬拷贝
参考答案和解析
D 双唇音包括[p]，[b]，[m]，[w]等，因此，选项中只有[f]不属于双唇音。
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