【单选题】企业要通过攻击竞争者而大幅度地扩大市场占有率,应攻击( )。
【单选题】As is indicated in the passage, game theory ______.
A.
is a tentative finding
B.
is not appropriately used
C.
can be applied in service industries
D.
is not originally meant for studies of shifting international alliances
【简答题】The author’s purpose in writing the passage is ________. A) to give advice on appropriate conduct for social occasions B) to provide ways of how to obtain information about people C) to call the reade...
【多选题】室内排水系统中,通气管的作用有( )。
A.
阻止室外排水管道中的有害气体、虫类通过卫生器具进入室内
B.
使室内外排水管与大气相通,减少排水管内空气的压力波动
C.
保护存水弯水封不被破坏,保证排水管道的水流通畅