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70，患儿，女，6岁。发热10余天，每日热退时，精神状态良好，但面色渐苍白，并出现肘膝关节不固定痛，近半年有反复患扁桃体炎病史，查体：心音低钝，心前区可听到收缩期吹风样杂音。该患儿可能的临床诊断是
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第二节 完型填空 阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。 From Monday until Friday (36) people are busy working or studying, but in the evenings and (37) weekends they are free to enjoy themselves. Some watch TV or go to the movies; (38) take part in sports. It depends on individual (39) . There are many different ways to spend our (40) time. (41) . everyone has some kind of hobby. It may be (42) from collecting stamps to (43) model planes. Some hobbies are very (44) ; others don’t cost (45) at all. Some collections (收藏品) are (46) a lot of money; others are valuable only (47) their owners. I know a man who (48) a coin collection worth thousands of dollars. A short time ago, he got a (49) fifty cent piece by (50) $250. He was very happy about his collection and thought the price was (51) . On the contrary, my youngest brother (52) match boxes. He has almost 6,000 of them. But I (53) if they are worth any money. However, for my brother they are very (54) . Nothing makes him (55) than to find a new match box for his collection.
第二节 完型填空 阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。 From Monday until Friday (36) people are busy working or studying, but in the evenings and (37) weekends they are free to enjoy themselves. Some watch TV or go to the movies; (38) take part in sports. It depends on individual (39) . There are many different ways to spend our (40) time. (41) . everyone has some kind of hobby. It may be (42) from collecting stamps to (43) model planes. Some hobbies are very (44) ; others don’t cost (45) at all. Some collections (收藏品) are (46) a lot of money; others are valuable only (47) their owners. I know a man who (48) a coin collection worth thousands of dollars. A short time ago, he got a (49) fifty cent piece by (50) $250. He was very happy about his collection and thought the price was (51) . On the contrary, my youngest brother (52) match boxes. He has almost 6,000 of them. But I (53) if they are worth any money. However, for my brother they are very (54) . Nothing makes him (55) than to find a new match box for his collection.
A企业在建设起点投入固定资产350万元，无形资产60万元，垫支流动资金100万元，当年完工并投产。预计项目使用寿命为6年，净残值为50万元。投资项目投产后第 1～3年每年预计外购原材料、燃料和动力费为100万元(不含税)，工资及福利费为70万元，其他费用为30万元，每年折旧费为50万元，无形资产摊销额为10万元；第4～6年每年的总成本费用(含营业税金及附加)为280万元，其中，每年预计外购原材料、燃料和动力费为120万元(不含税)，每年折旧费为50万元，无形资产摊销额为10万元，利息费用 20万元。项目投产后每年预计营业收入为400万元，每年的维持运营投资为20万元，适用的增值税税率为17%，城建税税率为7%，教育费附加征收率为3%。该企业不缴纳营业税和消费税。A企业适用的所得税税率为25%。 要求：根据上述资料估算下列指标： (1) 投产后1～3年每年的经营成本； (2) 投产后各年的应交增值税； (3) 投产后各年的营业税金及附加； (4) 投产后4～6年每年的经营成本； (5) 投产后各年的息税前利润； (6) 各年所得税后的现金净流量； (7) 假设折现率为10%，计算项目的净现值。 资金时间价值系数：(P/A，10%，3)＝2.4869，(P/A，10%，2)＝1.7355， (P/F，10%，3)＝0.7513，(P/F，10%，6)＝0.5645
Text 4 To us, it seems so natural to put up an umbrella to keep the water off when it rains. But actually the umbrella was not invented as protection against rain. Its first use was as a shade against the sun. Nobody knows who first invented it, but the umbrella was used in very ancient times. Probably the first to use it were the Chinese, way back in the 1th century B.C. We know that the umbrella was used in ancient Egypt and Babylon as a sunshade. And there was a strange thing connected with its use: it became a symbol of honor and authority. In the Far East, in ancient times, the umbrella was allowed to be used only by royalty or by those in high office. In Europe, the Greeks were the first to use the umbrella as a sunshade. And the umbrella was in common use in ancient Greece. But it is believed that the first persons in Europe to use the umbrella as protection against the rain were the ancient Romans. During the Middle Ages, the use of the umbrella practically disappeared. Then it appeared again in Italy in the late sixteenth century. And again it was considered a symbol of power and authority. By 1680, the umbrella appeared in France, and later on in England. By the eighteenth century, the umbrella was used against rain throughout most of Europe. Umbrellas have not changed much in style during all this time, though they have become much lighter in weight. It was not until the twentieth century that women’ s umbrella began to be made, in a whole variety of colors. Which of the following in NOT true about the umbrella
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