恶性肿瘤也叫癌症,与良性肿瘤的区别在于()
A.与周围组织界限清楚
B.生长迅速
C.具有迁移性
D.具有浸润性
参考答案:B, C, D
At the foot of the mountain________.
A.a village lie
B.lies a village
C.does a village
D.lying a village
某男,55岁。主诉午饭后右上腹疼痛难忍,呈阵发性绞痛,持续加重,痛乇右肩背,伴恶心呕吐,痛甚汗出,四肢不温,不思饮食,无发热,黄疸。查右上腹及剑突下有压痛,右侧背部有沈重感,肝脾未及,墨菲氏征(一),肠鸣音稍活跃,既往有慢性胆囊炎、胆石症病史。舌质炎,苔黄腻,脉沉细。