患者,女性,30岁,发热,腹痛,腹泻,查体:麦氏点压痛,反跳痛,该患者的诊断是
A.急性阑尾炎
B.急性胰腺炎
C.急性胆囊炎
D.急性肝炎
E.急性肠炎
参考答案:A
Which action(s) is/are included in crane operations?()
A.Normal boom stowage and shutdown operations
B.Emergency shutdown operation
C.Removing booms from stowage
D.All of the above
药用树脂中主要成分为单树脂类的是
A.血竭
B.藤黄
C.阿魏
D.苏合香
E.加拿大油树脂