题目

  Did you ever wonder how some of your favorite foods, products or toys came about? Believe it or not, they may have been an accident, or a failure of some other intention. Below, we found three mistakes we’re thankful for turned out to be what they are.1. Most historians hold that the Chinese invented fireworks in the 9th century when they discovered how to make gunpowder. Story has it that a Chinese cook accidentally mixed together what were then considered common kitchen items and noticed they burnt. When put tightly(紧紧地)in a bamboo tube(管子and lit, it blew up.2. In May17、读下列资料,回答问题。 材料一  世界环境与发展委员会在《我们共同的未来》报告中,对可持续发展作了明确的定义:可持续发展是这样的发展,它既满足当代人的需求,而又不损害后代人满足其需求的能力。 材料一  (2006年6月4日  中国新闻网)国家环保总局负责人指出,中国生态环境脆弱,生态环境脆弱区占国土面积的60%以上,生态环境压力大,中国人均资源占量不到世界平均水平的一半,但单位GDP(国内生产总值)能耗、物耗大大高于世界平均水平。 (1)可持续发展是一个综合的概念,其在丰富内涵概括起来有三点:__________、_____________、____________。 (2)实现可持续发展需要遵循三个基本原则是__________、____________、__________。 (3)从中国国情出发,分析中国为什么必须走可持续发展之路。 (4)我国单位GDP能耗、物耗大大高于世界平均水平,应该如何采取措施解决这一问题?
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