患者,男,40岁。大便10日未行,腹满硬痛,发热烦躁,且咽痛,口疮,舌苔焦黄,脉沉实有力。首选的药物是()
A.栀子
B.黄芩
C.石膏
D.芒硝
E.番泻叶
参考答案:D
The key you have just got ____ the front door. [ ]
A. is used to opening
B. is used to be opened
C. is used to being opened
D. is used to open
委托代理是根据被代理人的委托授权而产生的代理关系。()