2. 外语
  3. The advantages and disadvantages of a large population have long been a subject of discussion among economists. It has been argu

The advantages and disadvantages of a large population have long been a subject of discussion among economists. It has been argu

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问题     The advantages and disadvantages of a large population have long been a subject of discussion among economists. It has been argued that the supply of good land is limited. To feed a large population, inferior land must be【B1】______and the good land worked【B2】______. Thus each person produces less and this means a【B3】______average income than could be obtained with a smaller population. Other economists have argued that a large population gives more【B4】______for specialization and the development of【B5】______such as ports, roads and railways, which are not likely to be built unless there is a big demand to【B6】______them.
    One of the difficulties in carrying out a【B7】______birth control program lies in the fact that official attitudes to population growth【B8】______from country to country depending on the level of industrial development and the availability of food and raw materials. In the developing country where a vastly expanded population is pressing hard upon the limits of food, space and natural resources,【B9】______. In a highly industrialized society the problem may be more complex.【B10】______When the pressure of population on housing declines, prices also decline and the building industry is weakened. Faced with considerations such as these,【B11】______
【B1】
选项
答案cultivated
解析 意为“耕作，栽培”。所填词后面的and表示其前后是并列的两句话，在结构上应该对称，the good land worked是一个省略了谓语的被动态，所填词也应该是动词的被动语态形式，而且和inferior land构成动宾搭配。 To feed a large population是目的，由此目的推导出的行为应该是“耕种土地”。
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