肝炎肝硬化主要阻塞部位是（） A.肝静脉 B.窦前 C.窦后 D.门静脉 E.上腔静

At the age of five her father died, ___ her an orphan.

A．and leaving

B．to leave

C．leaving

D．left

________, I don't object to your marriage though your parents are strongly against it. [      ]

A. As far as I know        

B. As far as I am concerned

C. As it happens    

D. Sooner or later

MAP红细胞保存液是在SAGM配方中加入了（）。

A.代血浆

B.羟乙基淀粉

C.辅酶A

D.庆大霉素

E.磷酸盐

由于腐植酸不溶水而溶于碱，锅水要保持一定的碱度一般维持在20毫克当量/升即可。

在绿十字中，当在区域内发生供应商的安全事故，用什么颜色表示？（）

A、绿色

B、桔黄色

C、红色

D、蓝色