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>> 成人高等教育 / 商务礼仪
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佳题速递：
会议议程的设计原则不包括( )。 A、 表明议题 B、 确定主次 C、 适时调整 D、 仓促决策管理沟通实务 在T—n的直角坐标系中，制动运行的机械特性位于？ A、 第一，二象限 B、 第一，三象限 C、 第一，四象限 D、 第二，四象限电机与拖动 Has she been listening? Yes, she has./ No, she hasn’t. 大学英语（本）1 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 This box is too heavy for me to carry upstairs. _ _ _ _ _ _ _ _ _ _ 大学英语1 人身保险合同是（） 保险学