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>> 成人高等教育 / 组织胚胎学
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佳题速递：
打电话时，反映出个人的品德和修养，可以给对方一个良好的印象，哪么打电话时，哪一点是不可取的( )。 管理沟通实务 阅读理解：阅读下列短文，回答文后问题，选择最佳答案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)．5. Which title best fits the passage? A、 A. Trees and Man B、 B. The Function of Tree Wood C、 C. How do People do with Trees? D、 D. The Usage of Tree Roots大学英语1 对大白菜供给的减少，不可能是由于( )。 西方经济学 毛泽东建军思想的核心内容是（ ） 毛泽东思想和中国特色社会主义体系概论 在地基变形验算时，对于高层结构和高耸结构应由（ ）控制。 土力学与地基基础 一项课程变革计划能否取得成功实施取决于课程变革的特征、学区的特征、外部环境的特征和 课程与教学论