下表是20世纪后半期世界工业发展情况表,据表可知,高收入国家的工业比重呈不断下降趋势。以下对此解释比较合理的是() ["世界经济多极化的反映","低收入国家工业发展水平超过发达国家","发达国家经济结构升级","低收入国家反对霸权主义取得重大成果"]
下列哪些是急性心包炎的临床特点() ["A.心包摩擦音","B.心电图S-T段上抬","C.第二心音逆分裂","D.奇脉","E.发热、全身乏力"]
原发性肝癌最多见的淋巴结转移的部位是() ["肝门","胰腺","腹膜后","主动脉旁","锁骨上"]
下列哪些是亚急性感染性心内膜炎患者手术治疗的指征() ["A.瓣膜损坏严重引起顽固性心衰竭","B.赘生物大于1cm可能发生栓塞","C.内科治疗4周仍有发热,感染难以控制","D.合并风湿活动","E.并发细菌性动脉瘤"]
细菌性肝脓肿,细菌进入肝脏最常见的途径是() ["肝动脉","胆道","门静脉","外伤伤口","淋巴系统"]
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