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  3. "Famine Threatens Millions!" headlines such as this are unhappily frequent. The people of vast areas of the world’s surface are

"Famine Threatens Millions!" headlines such as this are unhappily frequent. The people of vast areas of the world’s surface are

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问题     "Famine Threatens Millions!" headlines such as this are unhappily frequent. The people of vast areas of the world’s surface are ill-fed even in prosperous years. One season of widespread agricultural failure can plunge millions into disastrous famine.
    Meanwhile world population is spiraling upward, and the most rapid increases are being made in just those regions where getting proper nourishment is the greatest problem. Today while the people of the "have" countries are well-fed and are piling up surpluses of foodstuffs, in the "have-not" countries more millions than ever are going hungry every day.
    In recent years, however, there has been a great "awakening of the common man". People who previously had little contact with the outside world have begun to rub shoulders with people from other, better-developed countries.
    They have begun to realize, as an expert puts it, that "poverty is not a god-given state of life". Moreover, the "have" nations of the world have begun to realize that no single nation, however prosperous, can exist for itself alone. The entire world is so bound together today by ties of trade and travel that poverty and famine anywhere threaten the richest of the nations along with the poorest. As a result, much thought and skilled effort are being devoted to improving food supplies in the underfed areas.     Many of the world’s food problems are quite evident and can be attacked directly. "Some farmers are still using tools and methods dating back to prehistoric times," you may say. "Bring their methods up to date with modern tools and machines, teach them to fertilize and irrigate their soil, provide them with food seed and good animals to raise, and they soon will be producing plenty for all."
    This approach is being followed; the agronomist in Greece, the farm expert in Afghanistan, and many others are doing all they can to improve agricultural techniques in countless widely scattered farm communities. But behind every problem that can be solved by machinery or a packet of seed or a sack of fertilizer looms a human problem having to do with what has long been known as social lag. Whenever you try to revolutionize the ways of a people, you run into a maze of intricate, interlocked problems. The behavior of human beings is complex and cannot be controlled as simple as the behavior of white mice in a laboratory. What seems an obvious solution may prove difficult, even impossible, to carry out.
The solution to the world’s food problems depends on______.
选项 A、modern methods of farming
B、providing family farms
C、solving problems besides growing food
D、the help of the "have" countries
答案C
解析 本题为细节推论题。文章最后一段的第2、3句的意思是：在每一个可以通过机械化或一包种子或一袋化肥解决的问题背后，还有一个很久以来大家所熟知的社会滞后的问题(social lag)。也就是说，无论什么时候你想改革人们的一些具体做法，都会遇到一系列错综复杂的问题，因此答案为c。A项不够全面，B项文中没有涉及，而D项太过笼统。
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