题目内容：
回答题Migrant ( 移民的 ) Workers
In me past twenty years, there has been allincreasing tendency for workers to move fromone country to another. While somecountries have restricted (限制) most (51) tolocal people,others have attracted and welcomed migrant workers. This is particularly thecasein the Middle East, _________(52) increased oil incomes have enabled manycountries to callin outsiders to improve local facilities (设施). Thus the Middle East hasattracted oil-workers
_________ (53) the U. S.A. and Europe.It has also brought in workers from many other countries, _________ (54) South Korea and Japan.
In view of the difficult living andworking_________ (55) in the Middle East, itis notsurprising that the pay is high to attract suitable workers. Manyengineers and technicians can(56) at least twice as much money in the Middle East as they can in their owncountry, and this isa major_________ (57).
Sometimes a disadvantage has a compensating (补偿的) advantage. For example, the(58) living conditions often lead toincreased friendship when workers have to(59) on each other for safety andcomfort. In a similar way, many migrant workersCan save large sums of moneypartly because of the_________ (60) of entertainment (娱乐）facilities. The work is often complex and full of problems but thismerely presents greaterchallenge to engineers who prefer to find solutions toproblems rather than do _________ (61)work in their home country.
One major problem which_________ (62) migrantworkers in the Middle East is that theirjobsare temporary ones. They are nearly always on_________ (63), so it is not easyfor themto plan ahead with great confidence. This is to be_________ (64) sinceno country welcomesa large number of foreign workers as permanent residents. Inany_________ (65), migrantworkers accept this disadvantage, along with others,because of the considerable financialbenefits which they receive.
请在第____处填上正确答案。 A．acts
B．jobs
C．activities
D．user
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