【单选题】

Tourism has become a very big (1) . For Spain, Italy and Greece, it is the largest (2) of foreign exchange, and (3) forBritain, it is the fourth. Faced (4) this huge income, no government can afford to look (5) on the business~ questions of hotel bath rooms, beach umbrellas and ice cream sales are now (6) by ministers of tourism with solemn expertise.Before the Second World War the tourist industry was widely (7) as being unmanly and stupiD、But (8) has become a new industry, as trade business used (9) ; in Spain, Italy, Greece and much ofEasternEurope, new road (10) have opened up in the country, first to tourists, and (11) to industry and locals.

(12) of tourism is a nationalized industry, a (13) part of national planning. In a place west of Marseilles, the French government is killing mosquitoes and (14) six big vacation places to (15) nearly a million tourists. InEasternEurope, a whole new seaside (16) has sprung up (17) the last few years so that the governments have greatly (18) when tourist’s from the West (19) from half a million four years (20) to nearly two million last year.
A．agriculture
B．war
C．tourism
D．education