PART Ⅰ READING COMPREHENSION

Section A

The word science is heard so often in modern times that almost everybody has some notion of its meaning. On the other hand, its definition is difficult for many people. The meaning of the term is confusing, but everyone should understand its meaning and objectives. Just to make the explanation as simple as possible, suppose science is defined as classified knowledge (facts).

    Even in the true sciences distinguishing fact from fiction is not always easy. For this reason great care should be taken to distinguish between beliefs and truths. There is no danger as long as a clear difference is made between temporary and proved explanations. Fo ……此处隐藏59798个字…… ld be given to ecological construction which has to integrate into the whole process of economic construction, political construction, cultural construction, and social construction. We must strive to build a beautiful China and achieve sustainable development of the Chinese nation. 　 　 62、城市化是席卷全球的重大社会变革之一，尤其是在城市增长率最高的发展中国家。很快，世界上大多数人将生活在城市环境中，这与迄今为止大多数人类社会居住的农村环境截然不同。城市化给人们的生活方式带来了根本性的改变——他们看到的人数、工作地点，以及他们饮用的水、呼吸的空气和居住的住房的质量。

    这些变化对城市居民的健康有着深远的影响——无论是正面的还是负面的。一方面，城市化和经济发展极大地改善了健康状况，这主要是因为环境的改善，部分原因是获得保健服务的机会增加。然而，城市化也会对人类健康产生许多负面影响。因为世界上许多地方，城市人口的增长在绝对和相对方面都是城市贫困增长的同义词。城市正日益成为世界上资源分配不平衡的最明显标志，这对世界各地城市居民的健康造成了严重影响，尤其是在发展中国家快速发展的城镇。 　 　

PART Ⅴ WRITING

63、 略