病变好发于直肠和乙状结肠的是()。
A.肠结核
B.大肠癌
C.克罗恩病
D.溃疡性结肠炎
E.结核性腹膜炎
参考答案:D
FMIA角的构成()
A.眼耳平面与下颌平面的交角
B.眼耳平面与平面的交角
C.前颅底平面与下颌平面的交角
D.下中切牙长轴与下颌平面的交角
E.下中切牙长轴与眼耳平面的交角
The ______ contract is a contract between a party who agrees to accept the risk and a party seeking protection from the risk.A. payment B. productionC. shipmentD. insurance