【单选题】Each of the following is discussed in your textbook as a basic criterion for the effective use of language in public speaking EXCEPT __________.
A.
using language clearly
B.
using language vividly
C.
using language appropriately
D.
using language technically
【单选题】Each of the following is discussed in your textbook as a basic criterion for the effective use of language in public speaking except
C.
use language appropriately.
D.
use language technically.
E.
use language accurately.
【简答题】As discussed in your text, speech becomes more complex as increases.
【单选题】那列哪项不属于老年人噎食的预防措施()。