【多选题】what are the functions of offering a preview of the key arguments in a PM's opening remarks?
A.
drawing attention from the audience
B.
help the adjudicators and the audiences to anticipate the procedure of the debate
C.
it's PM's responsibility
D.
help the adjudicators to remember the key arguments
【单选题】Why is it always a good idea to keep one’s arguments concise?
A.
Because it helps other people pay close attention to what we say.
B.
Because three is a good number of arguments.
C.
Because it helps make stronger arguments.
D.
Because people will enjoy our arguments more.
【单选题】In fact, no matter what lengths others go to in their attempts to destroy your arguments or ______your confidence, you are certain to remain unmoved and unimpressed.
【简答题】. 市场商机的基本特征主要有: ______、_______、______。