The relative highness or lowness of sounds produced by the human voice is called __________.
A、tone
B、pitch
C、quality
D、volume
A、tone
B、pitch
C、quality
D、volume
英语公众演讲
章节列表
Week One: Chapter 1 Introduce Key Issues9Week Four: Chapter 3 Support Your Speech (II) & Tutorial15Week Five: Chapter 4 Write Your Speech (I)13Week Six: Chapter 4 Write Your Speech (II)16Week Eight: Chapter 5 Polish Your Speech (II)24Week Nine: Chapter 6 Deliver Your Speech & Tutorial13Week Ten: Chapter 7-8 Speak to Inform and Persuade6