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患者男性，70岁，慢性萎缩性胃炎病史30年。1个月前开始出现不规则上腹痛，进食差，体重减轻约 6kg，今晨突发呕血，量约100ml。 该患者可能出现的体征是
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甲建设单位将宾馆改建工程直接发包给乙施工单位，约定工期10个月，由丙监理公司负责监理。甲指定丁建材公司为供货商，乙施工单位不得从其他供应商处另行采购建筑材料。乙施工单位具有房屋建筑工程总承包资质，为完成施工任务，招聘了几名具有专业执业资格的人员。在征得甲同意的情况下，乙施工单位将电梯改造工程分包给戊公司。在取得施工许可证后，改建工程顺利开工。 目前我国主要的建筑业专业技术人员执业资格种类包括（）。
患者男性，52岁，高血压心脏病病史10年，1d前因上呼吸道感染在门诊静脉滴注抗生素，速度较快， 2h前出现呼吸困难。 该患者查体不可能出现的体征是
Business opportunities in Vietnam are enormous. The rate of growth here is among the highest in the world. (It reaches all sectors of the economy and is likely to accelerate in the future.)Vietnam is well-placed for economic development, because it is part of ASEAN. (8) It is fortunate, too, to be surrounded by countries with large populations, e.g. China, Laos, Cambodia, Myanmar and Thailand. (9) The opportunities for business abound, but remember that the first are always rewarded with the best chances of getting quality business contacts. (10) So, the best thing to do to start with is to select contacts with companies similar to your own, and companies which you consider could be interested in your line of products or services. (11) In the letter, present yourself and the products you deal with in a clear and simple manner. (12) The chances of getting a reply are more than if you had used other types of communication. 10（）
Latin American stocks fell for a second day on Friday in reaction to Asia’s currency and stock market crash. There were fears that the Asian crisis could influence investors in other emerging markets.Argentina and Mexico (19) the highest falls, with their indexes down by 4% by the (20) of trading on Friday. Brazil’s Bovespa index, which on the same day (21) by far the steepest plunge in the Americas, was down 2.9 %."What’s happening in Hong Kong has been a terrible (22) to the system," said Richard Watt, who (23) 3.5 billion dollars in emerging market investments for BEA Associates in New York. Investors in Brazil were concerned that its economic problems were dangerously (24) to those that have caused the currency and market plunges in Thailand, Malaysia and other Asian (25) ."Brazil’s economy is far from (26) ," said lan Campbell, chief economist at ABN Amro Bank NV Amsterdam. "Its current account and fiscal (27) are large and its currency is overvalued." "There’s no (28) in trying to catch a falling knife," said Jane Heap, Latin American stock strategist at Deutsche Morgan Grenfell. "There’s no room for (29) in Brazil until the US and Asia get back to normal."There were also concerns that foreign investors who specialize in emerging markets could be (30) to sell their shares in Latin America to (31) their Asian losses."There’s a lot of nervousness about whether investors will (32) their money out of stocks, because of instability in Asia." Said German Guerrero, chief trader at the Chilean brokerage Celfin SA.Chilean markets were down only (33) in afternoon trading. The Chile selective stock index fell 0.72 % and the Chile general stock index was down 0.64 %. 29（）
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