与肝损程度呈正相关的是()
A.BIL
B.CHE
C.PTA
D.LDH
E.AST/ALT
参考答案:A, E
Who was called the father of American structuralism
A.Chomsky
B.Bloomfield
C.Krashen
D.Palmer
简述国际货物买卖合同卖方和买方的义务。