题目内容：
根据下面内容，回答题 Tourismhasbecomeaverybig（41）．ForSpain,ItalyandGreeceitisthelargest（42）offoreignexchange,andevenforBritain,itisthefourth．Facedwiththishugnewincome,nogovernmentcanaffordtolook（43）onthebusiness;questionsofhotelbathrooms,beachumbrellasandice-creamsalesarenowdiscussedbyministersoftourismwithsolemnexpertise．BeforetheSecondWorldWarthetouristindustrywaswidelyregardedasbeingunmanlyandstupidButtourismhasbecomeanewindustry,astradebusinessused（44）;inSpain,Italy,．GreeceandmuchofEasternEurope,newroadsystemshaveopenedupinthecountry,firsttotourists,andthentoindustryandlocals．
Muchoftourismisanationalizedindustry,a（45）partofnationalplanning．InaplacewestofMarseilles,theFrenchgovernmentiskillingmosquitoesandbuildingsixbigvacationplacesto（46）nearlyamilliontourists．InEasternEurope,awholenewseaside（47）hassprungup（48）thelastfewyears:thegovernmentshavegreatly（49）whentouristsfromtheWest（50）fromhalfamillionfouryearsagotonearlytwomillionlastyear．
第（41）题选 A．firm
B．business
C．company
D．affair
参考答案：
答案解析：