A.1
B.2
C.3
D.4
[单选题]A.原发性肝癌B.血吸虫肝C.结节性肝硬化D.肝炎E.不均匀性脂肪肝
[单选题]A.餐后胆囊B.胃C.十二指肠D.门静脉E.肝圆韧带
[单选题]A.黏膜下子宫肌瘤B.卵巢浆液性囊腺癌C.卵巢畸胎瘤D.子宫内膜癌E.肌层子宫肌瘤
[单选题]A.黏膜下子宫肌瘤B.卵巢浆液性囊腺癌C.卵巢畸胎瘤D.子宫内膜癌E.肌层子宫肌瘤
[单选题]A.150°11′54″,83°46′16″B.150°11′54″,84°46′16″C.151°11′54″,83°46′16″D.151°11′
[单选题]A.150°11′54″,83°46′16″B.150°11′54″,84°46′16″C.151°11′54″,83°46′16″D.151°11′
[单选题]A.n(n+1)B.nC.n+1D.