瑞士昆虫学 * * 罗、米勒因发明DDT，于1948年获得诺贝尔奖。D_爱下问搜题

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问题材料分析题

瑞士昆虫学 * * 罗、米勒因发明DDT，于1948年获得诺贝尔奖。DDT因其稳定性、脂溶性、药效普遍性等特点，一度大量生产普遍使用。后来发现DDT的使用造成严重的环境污染，被绝大多数国家明令禁止使用。化学工作者进行不懈的努力，研制出多种新型杀虫剂，代替了DDT农药，既能杀灭害虫，又能减少污染，避免了对生态平衡的破坏。

从对DDT认识的发展中，我们可以得到什么哲学认识论的启示？

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答案

（1 ）认识具有反复性和无限性，人们对一个事物的正确认识往往要经过从实践到认识，再从认识到实践的多次反复才能完成，人们对事物的认识是无限发展的，追求真理是一个永无止境的过程。

（2 ）实践是检验认识真理性的唯一标准。通过实践的检验，人们可不断纠正错误的认识，从而获得真理性的认识。

（3 ）要与时俱进，开拓创新，在实践中不断认识和发展真理，在实践中检验和发展真理，是我们不懈的追求和永恒的使命。

单项选择题

慢性淋巴细胞性甲状腺炎没有（）（）

A.甲状腺肿大

B.甲状腺大小正常

C.高碘摄入史

D.低碘摄入史

E.TRAb高

完形填空

完形填空（共20小题；每小题1分，满分20分）
阅读下面短文，掌握其大意，然后从各题所给的四个选项中，选出最佳选项。
Water and its importance to human life were the centre of the world’s attention last week. March 22 was World Water Day and     36    the theme “Water for Life”.
There are more than one billion people in the world who live without     37    drinking water. The United Nations      38    to cut this number in half by 2015.
Solving such a big problem seems like a(n)     39    challenge. But everyone,     40    teenagers, can do something to help. A teenage girl in the US has set an example to the     41  of her age around the world.
Rene Haggerty, 13, was awarded the 2004 Gloria Barron Prize for her work—     42    discarded(废弃的) batteries（电池）which pollute water.
In 2003, Haggerty went on a field trip to the Great Lakes Science Centre in Ohio. There she saw an exhibit about how     43    in old batteries harm the water of Lake Erie.
Haggerty learnt that     44     the batteries was an easy solution. “I think everybody can do it, because everyone     45    batteries, and it can make a big difference.” With these words, she began to     46    awareness in her area.
She     47     her county government and school board. She got permission to start a recycling programme in schools    48   the public library, hospital, and churches. With help from her family, friends and local waste-management    49   , she gathered containers, arranged transportation, and made a(n)     50    video.
Over the past two years, she collected four tons of batteries and drew the attention of officials, who were in charge of a battery recycling programme but had made     51   progress.
When asked     52    she feels like a hero, Haggerty is quite ____53   . “Not really. Well, maybe for the fish I saved!”
Every year the Gloria Barron Prize     54  young Americans aged 8 to 18 who have shown leadership and courage in     55    the public and the planet. Each year ten winners receive US $ 2,000 each, to help with their education costs or their public service work.

B．listened to

D．thought about

B．agricultural

D．educational