第7题: [单项选择]The master’s authority to act in the interests of the cargo owner is part of his general authority as servant of the Shipowner,and therefore()will be liable if the master abuses his powers. A. the Charterer B. the Shipowner C. the shipper D. the cargo owner 参考答案:B
第21题: [单项选择]下列关于肝腺瘤的描述,正确的是() A. 形态不规则的囊性团块 B. 外周回声强,内是网格状回声的肿块 C. 一般不并发出血坏死 D. 肿块外周绕有完整声晕 E. 圆形、边界清楚,内回声略强可呈不均匀的实性团块 参考答案:E 答案解析:肝腺瘤成年患者多为女性,发病与口服避孕药有关。本病呈良性经过极少恶变,声像图上肿瘤呈圆形或椭圆形实性肿块,边界清楚、整齐,内部回声常较正常肝实质偏低,且不均匀。合并出血、坏死时,肿块内可见形状不规则的液性暗区。