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 高等继续教育 / 中国古代文学Ⅰ(唐前)先唐
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网络远程教育期末考试【中国古代文学Ⅰ(唐前)】模拟试题
《墨子间诂》是孙诒让作的。
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  • 根据行政复议法律制度的规定下列各项中不属于行政复议参加人的是 经济法
  • 2.母核上取代基相同的以下各类化合物的亲水性有大到小的顺序为( ):天然药物化学(专)
  • He  ____ lives here. 国家开放大学
  • 标记可以设置的属性有网页设计与网站建设
  • Trees mainly serve man in three important ways: They provide him with wood and other products; they provide him shade; and they help to prevent droughts and floods.Unfortunately, in many parts of the world, man has not realized that the third of these services is the most important.In his eagerness to make money from trees, he has cut them down in large numbers, only to find that without them he has lost the best friends he had. And besides, he is usually too careless to plant and look after new trees. So the forests slowly disappear.This does not only mean that man will have fewer trees. The results are even more serious: for where there are trees, their roots break up soil allowing the rain to sink in and also bind(固定) the soil, thus preventing it from being washed away easily;but where there are no trees, the rain falls on hard ground and flows away, causing floods and carrying away the rich top-soil. When the top-soil is gone, nothing remains but worthless desert.Two thousand years ago,a rich and powerful country cut down its trees to build warships, with which to gain itself an empire.It set up the empire, but, without its trees, its soil became poor and grew weak. When the empire fell to pieces, the home country found itself faced by floods and starvation(饥荒).According to the passage, which is the most important service of trees to man? 大学英语(三)
  • 10[填空题] 某项经济业务的发生引起了负债和所有者权益的变化,当负债为减少时,所有者权益的变化是()河南理工大学