单项选择题
A.depression B.description C.destruction D.deposition
They do this by doing well-informed about their subject...
单项选择题They do this by doing well-informed about their subjects, being honest in what they say, by using sound evidence, and by employing（）reasoning.
A.valley B.value C.vary D.valid
The interaction of these seven elements is what determi...
单项选择题The interaction of these seven elements is what determines the（）in any instance of speech communication.
A.outcome B.income C.become D.welcome
Interference is anything that（）the communication of a m...
单项选择题Interference is anything that（）the communication of a message.
A.impact B.imports C.impedes D.impair
