Vibration of the vocal cords results in______.
A. aspiration
B. voicing
C. nasality
D. obstruction
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Generally speaking, the______indicates that what is said is a matter-of-fact statement.
A. fall-rise tone
B. rise-fall tone
C. falling tone
D. rising tone
The degree of force used in producing a syllable is called
A. tone
B. stress
C. intonation
D. sonority
健康档案包括了个人的健康信息和家庭的背景资料。这对于社区健康管理的主要意义在于
A. 便于全面评价居民的健康问题和提供连续性、综合性、协调性的医疗保健服务
B. 便于处理医疗纠纷
C. 作为医学教学科研的重要参考资料
D. 评价健康管理者的服务质量和技术水平
E. 利于应对突发公共卫生事件
In English, /ph/ and /p= / occur in different phonetic environments, they are the ______of
A. phones
B. allophones
C. voices
D. phonemes