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  3. In recent years, there has been a big increase in air travel and many large airports have now reached the limit of the number of

In recent years, there has been a big increase in air travel and many large airports have now reached the limit of the number of

admin2010-06-11  64
问题     In recent years, there has been a big increase in air travel and many large airports have now reached the limit of the number of aircraft movements they can【B1】______ The problem is made worse by the size of many major cities which prevents the【B2】______ of existing airports. Any new airports to be built a long way from city centers will create【B3】______ problems arid in many countries there simply isn’t enough land for such developments.
    Now a new【B4】______ has been put forward which would help to【B5】______ the congestion, as far as short flights are concerned. This【B6】______ the use of smaller aircraft, carrying about 50 passengers, which only require a short take-off or landing area and which make【B7】______ little noise because they are propeller-driven.
    The main problem【B8】______ is the question of noise.【B9】______ , that any government can expect to find considerable resistance to building new airports in towns, even though these short-range small planes are relatively quiet.【B10】______ if they can have the conveniences of an airport near the city center. In the end,【B11】______ .
【B4】
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