单项选择题
（） quality and prices are satisfactory, there are prospects of good sales here.
A.Provided B.Even C.Though D.Unless
单项选择题 The company in question does steady export business, （） satisfactory results in overseas markets.
单项选择题 The bigger your audience,（） complicated communication channel choice becomes.
单项选择题 One of its tasks is to get business information and （） new business opportunities for its members.
