用于辅助诊断有机磷中毒的酶是（）
A.AMY
B.ACP
C.LPL
D.ChE
E.ALP
参考答案：D
— is your grandmother?
—She is 80years old.
A．How
B．How old
C．How many
D．What
大型活动有哪些特征？
