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>> 成人高等教育 / 绩效与薪酬管理
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社会主义初级阶段是指（ ） 毛泽东思想和中国特色社会主义体系概论 有一个类A，以下为其构造方法的声明，其中正确的是（ ）。 java程序设计 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)．2. In many places forests slowly disappear because _ _ _ _ _ _ _ _ _ _ . A、 A. many trees have been cut down by man B、 B. new trees are not well looked after C、 C. man has not paid enough attention to planting trees D、 D. all the above大学英语1 对图像文件格式的品质评估主要考虑（ ）几个方面。 多媒体技术基础及应用 团队沟通的主要因素不包括（ ）。 管理沟通实务 我国在工业化的道路中，采取了优先发展（ ）的道路 毛泽东思想和中国特色社会主义体系概论