[单项选择]患者男,60岁。因进行性吞咽困难4个月就诊入院,经食管镜检查示食管中段6cm长之管腔狭窄,黏膜中断,病检报告为鳞癌Ⅱ级。体查锁骨上无肿大淋巴结,无声嘶。对于该患者推荐的放射治疗剂量为() A. 7000cGy B. 8000cGy C. 4000cGy D. 5000cGy E. 3000cGy F. 2000cGy
第14题: [单项选择]All the holds which are to take cereals in bags must be so cleaned that they meet the requirements of the(). A. local agent B. cargo surveyor C. accident investigator D. general average adjuster 参考答案:B