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  3. For thousands of years man has exploited and often destroyed the riches of land. Now man covets(觊觎)the wealth of the oceans. Eve

For thousands of years man has exploited and often destroyed the riches of land. Now man covets(觊觎)the wealth of the oceans. Eve

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问题     For thousands of years man has exploited and often destroyed the riches of land. Now man covets(觊觎)the wealth of the oceans. Even the most conservative estimates of resources in the seabed stagger the imagination. In the millions of miles of ocean that touch a hundred nations live four of five of living things on earth. In the seabed, minerals and oil existed in lavish supply. Man may yet learn to use a tiny fraction of this wealth. However, this fraction alone could set off a new age of colonial war unless international law soon determines how it shall be shared.
    What is to be done to regulate and control exploitation of the oceans is a problem of international concern. In crowded England, serious plans have been developed to build entire cities just off the coast. Offshore airport may solve the demand for large tracts near such large coastal cities as New York and Los Angeles. Some people, quick to take advantage of the legal confusion that reigns beyond coastal waters, have planned to build independent islands at the top of reefs outside the county’s territorial limit — that is indeed, a romantic notion, but one with, it is suspected, the more prosaic aim of avoiding the constrictions of domestic law concerning gambling and taxes. In another case, the United Nations were presented with an application for permission to extract minerals from the bed of Red Sea in an area 50 miles from the coastal states. The secretariat dodged this thorny question, citing lack of authority to act. Such claims are no longer isolated or meaningless.
    The great wealth from the oceans must be divided equitable among nations. But wealth is not the only thing at debate. We must also learn how to protect the oceans from the threat of pollution. A few years ago, "practical" men dismissed speculations about wealth in the sea."That is economic foolishness," they said. It will never be economically profitable to exploit the seabeds, no matter how great the riches to be found there. Unfortunately, they underestimated the lure of gold as the mother of invention. Yet the pessimists may be proved right. In these pioneer years of the Ocean Age, the damage done sometimes seems to exceed the benefit gained. Beaches from England to Puerto Rico to California have been soaked in oily mud. Insecticides, seeping into the rivers and then oceans, have killed fish and birds and revived fears that some chemicals may contaminate our waters when they are used as garbage dumps. Largely in ignorance, we are tinkering with our greatest source of life.
According to the author, the "practical" men’s remark was correct in that_____.
选项 A、the exploitation of the oceans has polluted the environment
B、the damage done to the environment exceeds the benefit gained
C、the lure of gold as the mother of invention was overestimated
D、the ocean is not worth exploiting from an economical point of view
答案B
解析 细节题。本题定位到第三段第八句，同时参看下面的论述，可知，务实者认为开发海洋财富是愚蠢的，他们的悲观想法在开发海洋的早期被证明是正确的：人类对海洋造成的破坏有时超过了所获得的利益。由此可知正确答案是B。
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