A. 1967 B. 1964 C. 1981 D. 1991
单项选择题With the growing (), business travel is covering an ever widening sector of the world.
A. international tourism B. familiarization C. internationalization of business D. export-oriented business
单项选择题Today, tourism also has significance in () technological changes, in promoting religious understanding and sporting activities.
A. furthering B. decreasing C. destroying D. slowing