conferences and exhibitions
inelastic prices
big-city orientations
executive’s needs
本题考查名词词组辨析。
conferences and exhibitions：会议展览；inelastic prices：非弹性的价格；big-city orientations：大城市的方向；executive’s needs：执行的需要。
句意：商务旅行深受商务相关景点如会议和展览的影响。
