2. 考研
  3. What does the future hold for the problem of housing? A good (1)_____ depends, of course, on the meaning of" future". If one is

What does the future hold for the problem of housing? A good (1)_____ depends, of course, on the meaning of" future". If one is

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问题     What does the future hold for the problem of housing? A good (1)_____ depends, of course, on the meaning of" future". If one is thinking in (2)_____ of science fiction and the space age (3)_____ at least possible to assume that man will have solved such trivial and earthly problems as housing. Writers of science fiction have (4)_____ the suggestion that men will live in great comfort, with every (5)_____ device to make life smooth, healthy and easy, (6)_____ not happy. But they have not said what his house will be made of.
    The problems of the next generation or two can more readily be imagined. Scientists have already pointed out that (7)_____ something is done either to restrict the world’s rapid growth in population or to discover and develop new sources of food (or both), millions of people will be dying of starvation or, (8)_____, suffering from under feeding before this (9)_____ is out. But nobody has worked out any plan for housing these growing populations. Admittedly the worse situations will occur in the (10)_____ parts of the world, where housing can be of light structure, or in backward areas where standards are (11)_____ low. But even the minimum shelter requires materials of (12)_____ kind, and in the crowded, bulging towns the low-standard" housing" of flattened petrol mans and dirty canvas is far more wasteful (13)_____ ground space than can be tolerated.
    Since the war, Hong Kong has suffered the kind of crisis which is likely to (14)_____ in many other places during the next generation. (15)_____ millions of refugees arrived to (16)_____ the already growing population and emergency steps had to be taken to prevent squalor and disease and the (17)_____ of crime. Hong Kong is only one small part of what will certainly become a vast problem and not (18)_____ a housing problem, because when population grows at this rate there are (19)_____ problems of education, transport, water supply and so on. Not every area may have the same resources as Hong Kong to (20)_____ and the search for quicker and cheaper methods of construction must never cease.

选项 A、only if
B、even if
C、in case
D、unless
答案D
解析 语法知识题。本段讲下一代人面临的人口问题，"除非立即采取行动限制世界人口的增长或开发新的食品资源或双管齐下，否则百万人就会死于饥饿"。unless意为"除非"，即if not，符合文意。only if"只有"；even if"即使"；in case，"一旦，万一"，此3项都不合逻辑。
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