烂苹果样气味,多见于()
A.水肿病晚期
B.消渴病晚期
C.失血证
D.脏腑败坏
E.瘟疫病
参考答案:B
Most of that country’s external debt is ______ private banks.[ ]
A. owed to
B. owing to
C. owed for
D. owing for
试述离子选择电极(ISE)法测K、Na、Cl的原理。