单项选择题
A.by all means B.by no means C.by any means D.by means of
The speech communication process（）includes seven elemen...
单项选择题The speech communication process（）includes seven elements.
A.in the hole B.at a whole C.as a whole D.to the whole
Effective speakers adjust their voices（）the larger audi...
单项选择题Effective speakers adjust their voices（）the larger audience and work（）avoiding distracting physical mannerism and verbal habits.
A.at； to B.in； at C.to； at D.to； for
You will take a big step toward overcoming stage fright...
单项选择题You will take a big step toward overcoming stage fright if you think（）, choose speech topics you really care about, prepare thoroughly, and concentrate on communicating with your audience.
A.positive B.post C.position D.positively
