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  3. Few creations of big technology capture the imagination like giant dams. Perhaps it is humankind’s long suffering at the mercy o

Few creations of big technology capture the imagination like giant dams. Perhaps it is humankind’s long suffering at the mercy o

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问题     Few creations of big technology capture the imagination like giant dams. Perhaps it is humankind’s long suffering at the mercy of flood and drought that makes the ideal of forcing the waters to do our bidding so fascinating. But to be fascinated is also, sometimes, to be blind. Several giant dam projects threaten to do more harm than good.
    The lesson from dams is that big is not always beautiful. It doesn’t help that building a big, powerful dam has become a symbol of achievement for nations and people striving to assert themselves. Egypt’s leadership in the Arab world was cemented by the Aswan High Dam. Turkey’s bid for First World status includes the giant Ataturk Dam.
    But big dams tend not to work as intended. The Aswan Dam, for example stopped the Nile flooding but deprived Egypt of the fertile silt that floods left—all in return for a giant reservoir of disease which is now so full of silt that it barely generates electricity.
    And yet, the myth of controlling the waters persists. This week, in the heart of civilized Europe, Slovaks and Hungarians stopped just short of sending in the troops in their contention over a dam on the Danube. The huge complex will probably have all the usual problems of big dams. But Slovakia is bidding for independence from the Czechs, and now needs a dam to prove itself.
    Meanwhile, in India, the World Bank has given the go ahead to the even more wrong-headed Narmada Dam. And the bank has done this even though its advisors say the dam will cause hardship for the powerless and environmental destruction. The benefits are for the powerful, but they are far from guaranteed.
    Proper, scientific study of the impacts of dams and of the cost and benefits of controlling water can help to resolve these conflicts. Hydroelectric power and flood control and irrigation are possible without building monster dams. But when you are dealing with myths, it is hard to be either proper, or scientific. It is time that the world learned the lessons of Aswan. You don’t need a dam to be saved.
What the author tries to suggest may best be interpreted as "______".
选项 A、It’s no use crying over spilt milk
B、More haste, less speed
C、Look before you leap
D、He who laughs last laughs best
答案C
解析 从文章第1段的内容可知，很少有重大的科技创造物像巨型水坝那样激发人的想象力。可能正是由于人类长期遭受洪水和干旱的侵害，才使得“让水听从人的调遣”这种理想如此吸引人。但是，令人着迷有时也使人不理智。好几个巨型水坝工程有弊大于利的预兆。从第2段的内容可知，从修建水坝得到的教训是——大的并不总是完美的。从文章第3段的内容可知，巨型水坝往往不如预期的那样发挥作用。从第4段的内容可知，控制洪水的神话仍在延续。第5段举例说明了这一点。从文章最后一段内容可知，彻底、科学地研究大坝将造成的影响，研究控制洪水的成本和效益，有助于人们解决这些问题。是整个世界从阿斯旺水坝中吸取教训的时候了。人类并不需要水坝来拯救自己。据此可知，作者想提醒人们不要再相信大型水坝可以完全控制洪水的神话，不能因为盲目乐观而失去理智，应该彻底、科学地研究问题，从阿斯旺水坝中吸取教训，解决面临的实际困难。C项与作者的意图相符，因此C项为正确答案。
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