下列哪种胆汁酸是初级胆汁酸（）
A.甘氨石胆酸
B.甘氨胆酸
C.牛磺脱氧胆酸
D.牛磺石胆酸
E.甘氨脱氧胆酸
参考答案：B
—Do you really think what he said was practical?
—I don't entirely agree, but ________.
A．I don't care
B．just let it go
C．go ahead
D．I doubt it
填写空运托运书时，若机场名称不明确，可填城市名称。( )
