乳癌病理分类为()、()和()三种。
参考答案:原位癌;分化较低癌;分化较高癌
The science fiction ______ last month and now it is popular with children.
A.came up
B.came by
C.came out
D.came off
患者,男性,42岁,饱餐及饮酒后,上腹剧烈疼痛,呕吐胃内容物,吐后腹痛无明显缓解,肌注阿托品后腹痛不止。血压80/50mmHg,脉搏124次/分,腹胀,全腹压痛、肌紧张、反跳痛,均以上腹部为重。肠鸣音消失,肝浊音界存在。右下腹穿刺抽出淡红色血性液体。最可能的诊断是()
A.上消化道溃疡穿孔
B.急性重症胰腺炎
C.急性胃炎
D.急性胆囊炎穿孔
E.急性绞窄性肠梗阻