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男性，30岁，患十二指肠溃疡4年，突发上腹剧痛5小时，继而全腹痛、大汗。查体：全腹压痛、反跳痛。 考虑该患者有溃疡病穿孔的可能，下列哪项体征最有助于溃疡穿孔的诊断
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甲、乙、丙三人合伙设立A企业，约定甲出资4万元，乙出资3万元，丙出资3万元。三人按4：3：3的比例分配和分担合伙损益。A企业成立后，与B公司签订一购货合同，保证人为丁。后因A企业无力偿还货款，B公司要求丁承担保证责任，丁以未约定保证形式，只承担一般保证责任为由拒绝。B公司遂对A企业和丁提起诉讼。法院经审理还查明，甲对戊负有债务2万元，戊对A企业负的债务2万元；乙对C公司负有债务2万元。要求：根据上述情况和合伙企业、担保法律制度的有关规定，回答下列问题：（1）丁认为未约定保证形式，自己只承担一般保证责任的观点是否正确为什么（2）戊能否将甲欠他的2万元债务与他欠A企业的2万元债务抵销为什么（3）若乙个人财产不足以清偿对C公司的2万元债务，则C公司可以通过何种途径用乙在A企业中的财产份额清偿2万元债权
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 purpose of the passage is to ______ .
ec数据库中含有两个数据库表“购买”和“会员”。对ec数据库设计一个表单myf。表单的标题为“会员购买统计”。表单左侧有标题为“请选择会员”标签和用于选择“会员号”的组合框以及“查询”和“退出”两个命令按钮。表单中还有一个表格控件。 表单运行时，用户在组合框中选择会员号，单击“查询”按钮，在表单上的表格控件显示查询该会员的“会员号”、“姓名”和所购买的商品的“总金额”。 单击“关闭”按钮，关闭表单。
Somehow California is always at the cutting edge, be it in the flower-power days of the 1960s or the dotcom boom of the 1990s. As Kevin Starr points out in his History of the State, California has long been "one of the prisms through which the American people, for better and for worse, could glimpse their future". Mr. Starr is too good a historian to offer any pat explanation; instead, he concentrates on the extraordinary array of people and events that have led from the mythical land of Queen Calafia, through the rule of Spain and Mexico, and on to the governorship of Arnold Schwarzenegger, an iron-pumping film star with an Austrian accent. Moreover, he does so with such elegance and humor that his book is a joy to read. What emerges is not all Californian sunshine and light. Think back to the savage violence that accompanied the 1849 Gold Rush; or to the exclusion orders against the Chinese; or to the riots that regularly marked industrial and social relations in San Francisco. California was very much the Wild West, having to wait until 1850 before it could force its way to statehood. So what tamed it Mr. Starr’s answer is a combination of great men, great ideas and great projects. He emphasizes the development of California’s infrastructure, the development of agriculture; the spread of the railroads and freeways; and, perhaps the most important factor for today’s hi-tech California, the creation of a superb set of public universities. All this, he writes, "began with water, the sine qua non of any civilization." He goes on cheerfully to note the "monumental damage to the environment" caused by irrigation projects that were "plagued by claims of deception, double-dealing and conflict of interest". One virtue of this book is its structure. Mr. Start is never trapped by his chronological framework. In-stead, when the subject demands it, he manages deftly to flit back and forth among the decades. Less satisfying is his account of California’s cultural progress in the 19th and 20th centuries: does he really need to invoke so many long-forgotten writers to accompany such names as Jack London, Frank Norris, Mark Twain or Raymond Chandler But that is a minor criticism for a book that will become a California classic. The regret is that Mr. Starr, doubtless pressed for space, leaves so little room--just a brief final chapter--for the implications of the past for California’s future. He poses the question that most Americans prefer to gloss over: is California governable "For all its impressive growth, there remains a volatility in the politics and governance of California, which became perfectly clear to the rest of the nation in the fall of 2003 when the voters of California recalled one governor and elected another." Indeed so, and Mr. Start wisely avoids making any premature judgment on their choice. Ills such as soaring house prices, grid locked freeways and "embattled" public schools, combined with the budgetary problems that stem from the tax revolt of 1978 would test to the limit any governor, even the Terminator. As Mr. Starr notes, no one should cite California as an unambiguous triumph: "There has al-ways been something slightly bipolar about California. It was either utopia or dystopia, a dream or a night-mare, a hope or a broken promise--and too infrequently anything in between.\ The purpose of the writer is mainly to ______ .
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