"VFR" market refers to ().
A. vision, friendship and relation
B. value, find and reevaluate
C. vast, frank and related
D. visit friends and relatives
International visitors can be divided into ().
A. international tourists and international travelers
B. international travelers and international excursionists
C. international transit travelers and international excursionists
D. international tourists and international excursionists
An international tourist is a visitor who spend () in the destination country.
A. more than one night
B. not more than one night
C. at least one night
D. at least two nights
It was in () that the first package holiday built around air transport was organized by Vladimir Raitz.
A. 1862
B. 1872
C. 1950
D. 1970
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