诊断原发性肝癌应首选()
A.血氨测定
B.γ-GT
C.ALT
D.AST
E.AFP
参考答案:E
So desperate ______ that no one could help another, each ____ to save himself and his animals.
A.was the situation; was trying
B.the situation was; trying
C.the situation was; was trying
D.was the situation; trying
基本养老保险的实施,要求具备哪些前提条件?