第18题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard.A. Compare their lectures. B. Review the man’s talk. C. Prepare questions to ask candidates. D. Vote in the school election. 参考答案:B 答案解析:[解析] What will the speakers do after chemistry class
第20题:[判断题]. (判断题,)To conform to local content regulations, a firm may have to locate more production activities in a given market than it would otherwise. A.正确 B.错误 参考答案:A Learning Objective: 07.-05. Explain the implications for managers of developments in the world trading system.
第24题: [单项选择]患者50岁，车祸后出现下腹部疼痛，持续性，有时无法忍受。Doppler示脐下有一5cm×7cm的包块，回声强，内有彩色血流。MRI示腹部正中偏左侧见一肿块，内呈高、低混杂信号，与腹主动脉相贴近，最可能的诊断为（） A. 夹层动脉瘤 B. 假性动脉瘤 C. 动脉瘤 D. 嗜铬细胞瘤 E. 脾破裂出血 参考答案:B 答案解析:假性动脉瘤为动脉破裂后由血肿与周围包绕的海绵组织构成。
