The advantages and disadvantages of a large population have long been a(1)__

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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. [br] (12)

选项 A、expanded
B、extended
C、broadened
D、magnified

答案 A

解析动词辨析题。由上下文可知，空格中的单词应该含有“增加，增长”的含义。[A]expanded指的是“膨胀，扩张”，也可以表示“增加”，因此为正确答案。[B]extended“延伸，延长”，一般用来形容长度或时间，所以可以排除；[C]broadened指的是“变宽，扩大”，或者是视野的“开阔”，用于此处不合适；[D]magnified指“放大，夸大”，与文意不符，故排除。

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