【题目】A great deal of hotel business comes from people travelling not just for holidays but by people travelling ________ their business activities．
A． in harmony with B． in conflict with
C． by order of D． by virtue of
在线课程【答案】D
【解析】考查介词短语。A． 与…协调；与…一致；B． 和……冲突；C． 根据……命令；D． 由于。句意：很多旅馆生意不仅仅是来自于度假的人，也有因为商业活动来旅游的人。故选D