【单选题】__________ is the art of effective communication between a speaker (or writer) and an audience.
【单选题】目前显象管的细管径的直径一般为 ( ) 。
【单选题】__________ is the art of effective communication between a speaker (or writer) and an audience.
【单选题】In classical Greece and Rome, public speaking was studied extensively and played a central role in civic life. ( ) is considered the most important work on this subject.
C.
The Art of Public Speaking
D.
Attacking Faulty Reasoning
【简答题】轨道车及接触网作业车排障器调节板下缘距轨道上平面的距离应为( )mm