第10题: [单项选择]Periodic publications notifying changes in,or additions to,previously published navigational data are(). A. Supplements B. Annual Summary C. Navigational Warnings D. Notices to Mariners 参考答案:D
第20题: [单项选择]WACS can reduce the whale collisions by ______. A. warning whales to get away from passing ships B. attacking ambient noise imaging tags onto the whales C. directing passing ships to turn away from the whales D. teaching the whales to send signals to the passing ships 参考答案:C 答案解析:见第四段designed to help ships in these hot spots steer clear of the whales,选项C中 turn away from对应文中的stee
第23题: [单项选择]男性患者,40岁,颈痛反复发作3年,常觉“落枕”。1年前开始觉得左肩痛,并放射至前臂桡侧及拇指,麻木,有屈肘无力,近3个月开始,觉双下肢麻木,行走时下肢发紧,胸部有束带感,体检:屈肘肌力减弱,双下肢肌力正常,肱二头肌反射减弱,双Hoffmann征阳性,膝反射亢进,踝阵挛阴性,巴宾斯基征阴性。 如患者出现行走不稳,下肢肌力减退,肌张力增高,踝阵挛阳性,巴宾斯基征阳性,治疗方案为 A. 小重量颈椎牵引 B. 颈托固定 C. 理疗 D. 服用抗炎药物 E. 手术治疗 F. 颈部制动 参考答案:E