2. 外语
  3. The advantages and disadvantages of a large population have long been a(1)______ of discussion among economists. It has been arg

The advantages and disadvantages of a large population have long been a(1)______ of discussion among economists. It has been arg

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问题     The advantages and disadvantages of a large population have long been a(1)______ of discussion among economists. It has been argued that the supply of good land is limited. To(2)______a large population, the good land must be worded intensively and(3)______ land must be cultivated. Thus, each person (4)______less and this means a lower average income(5)______ could be obtained with a smaller population. Other economists have argued that a large population gives more(6)______for specialization and the development of facilities. (7)______there is a big demand to justify them, facilities such as ports, roads and railways are not(8)______to be built.
    One of the difficulties in(9)______ a world-wide birth control program lies in the fact that official attitudes to population growth(10) ______ from country to country depending on the level of industrial development and the availability of food and(11)______ materials. In the developing country where a vastly(12)______ population is pressing harder and harder(13)______ the limits of food, space and natural resources, it will be the first concern of government to place a limit on the birthrate,(14)______the consequences may be.
    In the highly industrialized society the problem may be more (15)______. A decreasing birth rate may lead to unemployment because it results(16)______a declining market for manufactured goods.(17)______ the pressure of population on housing declines, prices also decline and the building(18)______is weakened. Faced with considerations such as these, the government of a(n)(19)______ country may well prefer to see a slowly increasing population,(20)______one which is stable or in decline.
(9)
选项 A、carrying on
B、carrying out
C、carrying through
D、carrying over
答案B
解析 动词短语辨析题。carry out意思是“实施，执行，落实，贯彻”，符合文意，因此正确答案是[B]。carry on一般指“继续(做某事)”，carry through指“成功地完成某事”，carry over意思是“将……延后”，[A]、[C]、[D]均可以排除。
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