第18题: [单项选择]A. Enter the stock market instead of investing in clothing. B. Move to another residence from Wall Street. C. Transfer his investment to the Chinese stock market. D. Share his money-making experience with other marketers. 参考答案:C 答案解析:[解析] W: The Chinese stock market has opened to foreign investors. Are you going to buy Chinese s
第24题: [单项选择]对原发性肾上腺皮质功能减退症最具诊断价值的是()。 A. 低血钠,高血钾 B. X线检查发现垂位心,心脏缩小 C. 心电图显示低电压,T波低平或倒置,QT延长 D. ACTH试验无反应 E. 血、尿皮质醇升高 参考答案:D 答案解析:原发性慢性肾上腺皮质功能减退症的诊断。原发性慢性肾上腺皮质功能减退症患者血浆总皮质醇水平及24小时尿游离皮质醇明显降低,故E选项错误。A、B、C、D中最具诊断价值的是D选项。