第3题: [单项选择]女,28岁,发热半月,弛张热型,伴恶寒、关节痛。体检:皮肤淤点、Osler结节,心脏有杂音,考虑为感染性心内膜炎。确诊的直接证据来自() A. 血液学检查 B. X线和心电图检查 C. 超声心动图 D. 免疫学检查 E. 组织学和细菌学检查 参考答案:A 答案解析:明确的感染性心内膜炎诊断包括病理学标准和临床标准,细菌学检查阳性在临床标准中有决定性诊断价值。血培养是诊断菌血症和感染性心内膜炎的最重要方法。E选项中,细菌学检查是正确的,但组织学检查错误,故答案选A
第24题: [单项选择]Questions 26 to 28 are based on the passage you have just heard. A. The progress of toys follow a direct line of rising. B. Toys also appeal greatly to adults. C. Toys are not characterized by technological progress. D. Toys reflect the pace of social progress. 参考答案:C 答案解析:[听力原文] Why can toys be regarded as an art form