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可引起血钾增高（）。
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Whenever two or more unusual traits or situations are found in the same place, it is tempting to look for more than a coincidental relationship between them. The high Himalayas and the Tibetan plateau certainly have extraordinary physical characteristics and the cultures that are found there are also unusual, though not unique. However there is no intention of adopting Montesquieu’s view of climate and soil as cultural determents. The ecology of a region merely poses some of the problems faced by the inhabitants of the region, and while the problems facing a culture are important to its development, they do not determine it. The appearance of the Himalayas during the late Tertiary Period and the accompanying further raising of the previously established rages had a marked effect on the climate of the region. Primarily, of course, it blocked the Indian monsoon from reaching Central Asia at all. Secondly, air and moisture from other directions were also reduced. Prior to the raising of the Himalayas, the land now forming the Tibetan uplands had a dry, continental climate with vegetation and animal’s life similar to that of much of the rest of the region on the same parallel, but somewhat different from that of the areas farther north, which were already drier. With the coming of the Himalayas and the relatively sudden drying out of the region, there was a severe thinning out of the animal and plant population. The ensuing incomplete Pleistocene glaciations had a further thinning effect, but significantly did not wipe out life in the area. Thus after the end of the glaciations there were only a few varieties of life extant from the original continental species. Isolated by the Kunlun range from the Tarim basin and Turfan depression, species that bad already adapted to the dry steppe climate, and would otherwise have been expected to flourish in Tibetan, the remaining native fauna and flora multi-plied. Armand described the Tibetan fauna as not having great variety, but being "striking" in the abundance of the particular species that are present. The plant life is similarly limited in variety, with some observers finding no more than seventy varieties of plants in even the relatively fertile Eastern Tibetan valleys, with fewer than ten food crops. Tibetan "tea" is a major staple, perhaps replacing the unavailable vegetables. The difficulties of living in an environment at once dry and cold, and populated with species more usually found in more hospitable climates, are great. These difficulties may well have influenced the unusual polyandrous societies typical of the region. Lattimore sees the maintenance of multi-husband house-holds as being preserved from earlier forms by the harsh conditions of the Tibetan uplands, which permitted no experimentation and "froze" the cultures that came there. Kawakiwa, on the other hand, sees the polyandry as a way of easily permitting the best householder to become the head husband regardless of age. His detailed studies of the Bhotea village of Tsumje do seem to support this idea of polyandry as a method of talent mobility in a situation where even the best talent is barely enough for survival. In sum, though arguments can be made that a pre-existing polyandrous system was strengthened and preserved (insofar as it has been) by the rigors of the land, it would certainly be an overstatement to lay causative factors of any stronger nature to the ecological influences in this case. The species of fauna and flora remaining in Tibet after the Pleistocene glaciations can properly be called continental because they ______ .
(1—2题共用题干) 男性，50岁。有高血压病史5年，因近期未按时服药，近日出现明显头痛，烦躁，心悸、气促、多汗，面色苍白，视力模糊，测血压为230／130mmHg，血肌酐188μmol／L。 可能的诊断为
非经济特区A市B房地产开发公司2005年3月1日，在A市城市规划区内取得一建设用地使用权，开始开发建设顺丰住宅小区，项目建设工期为23个月。B房地产开发公司通过招标，委托C建筑公司承担工程建设任务，该项目建筑合同价为3600万元。2005年8月，B房地产开发公司取得了《商品房预售许可证》。2005年9月，A市居民刘某与B房地产开发公司签订了《商品房预售合同》，合同载明了程某所购住房的价格为2400元/m2，约定面积为100m2。2006年11月1日，该房屋竣工验收合格。B房地产开发公司于2007年1月1日，将刘某所购商品住房交付其使用。刘某拿到《房屋所有权证》时，发现载明的面积为104m2，2007年3月，刘某又发现屋面有渗漏现象，随即向顺丰住宅小区物业管理公司进行了反映。据此背景，回答以下问题： 按照规定，刘某与B房地产开发公司签订的《商品房预售合同》应在该合同签订之日起( )日内向政府有关管理部门登记备案。
村民某甲承包了一个果园，苦心经营，眼看丰收在望，甲突然得了急病住院治疗，家中妻儿无力照管果园。村中好友乙便主动替甲照管。在乙的经营下，果园获纯收入4万元。乙为照管果园先后总共花费4000元。于是，乙向甲提出要求偿还他照管果园的花费4000元，并要求平分剩下的3.6万元。甲不允，遂起纠纷。 问：(1)乙的行为是什么性质 (2)对乙的请求应如何处理
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