Fill in the blanks with the prop

Fill in the blanks with the proper phrasal verbs given below. Make some changes if necessary.
addicted to
be referred to as
accustomed to
take advantage of
account for
call upon
engage in
cope with
give way to
divide ...into...
41. When people travel by car, train or airplane, they are taking trip and thus ______tourism.
42.By ______ 19th century advances in transport technology, Thomas Cook had effected a revolution in tourism by the end of the century.
43. The population of travelers may ______ those of interest to the tourism industry and those not of interest.
44. For a sophisticated person who ______(not)gambling, the standard of accommodation, mode of transport, support services are rated equally with the destination and its casino.
45. In a less-specialized travel agency, staff are expected to ______ all the activities associated with the booking of travel.
46. The problem that specialist operators may have to give out as many as 25 to 30 brochures to obtain single booking could ______ by the agent's lack of control over their own brochure distribution.
47. Airlines operating from smaller, often rural airports into the "hub"ones ______regional or "feeder"airlines.
48. With the development of hospitality industry in the early nineteenth century, small roadside inns gradually ______large. more elegant city hotels, which offered a much wider range of amenities.
49. The sales department of a hotel has been called the lifeblood of the organization and therefore the director of sales ______to make more decisions than any other department head.
50. When tourists travel farther afield, they bring their own value systems with them, expecting the life-style and facilities they ______in their own countries.
【正确答案】：41. are engaging in
42. taking advantage of
43. be divided into
44. is not addicted to
45. cope with
46. be accounted for
47. are referred to as
48. gave way to
49. is called upon
50. are accustomed to