影响尿路结石形成的因素不包括()
A.感染
B.梗阻
C.异物
D.肾损伤
E.体质的强弱
参考答案:E
解析:感染、梗阻、异物及肾损伤均是尿路结石形成的诱因。
解方程x2+4x+1=0.
— _________
— The shoes don’t fit properly. They are hurting my feet.
A.Let me have a look.
B.I don’t feel well.
C.Where does it hurt?
D.What’s the matter?