我国发生尿屡最常见的原因是()
A.产伤
B.妇科手术损伤
C.放射性损伤
D. * * 内放腐蚀性药物
E.膀胱病变
参考答案:A
— Shall we hold out sports meet on time?
— _____ the weather stays fine. [ ]
A. So far as
B. Even if
C. As if
D. So long as
语文教学的原则有哪些?