尿胆原测定用( )
A．偶氮偶联法B．马尿酸试剂C．四甲基联苯胺法D．葡萄糖氧化酶法E．特异性酯酶法
参考答案：A
7. --- We are both old friends, so I ____ you such a large sum of money.
--- Thanks a lot. I’ll do the same in the next trade.
A．give
B．advance
C．send
D．Pass
健康成年人一次失血多少毫升危及生命（ ）
A．200-300
B．400
C．1600
D．600
