脑转移瘤多来源于()。
A.胃
B.结肠
C.肺
D.肾
E.前列腺
参考答案:C
具备哪些情况应考虑肾炎性肾病?
Static electricity may be built up by the().
A.flow of petroleum through pipes
B.spraying or splashing of petroleum
C.settling of solids or water in petroleum
D.All of the above