细菌性肝脓肿,细菌进入肝脏最常见的途径是().
A.肝动脉
B.胆道
C.门静脉
D.外伤伤口
E.淋巴系统
参考答案:B
I think __________ should be allowed to drive.
A.sixteen year old
B.sixteen-year-olds
C.sixteen years old
D.sixteens year old
易挥发药品的保存应远离热源火源,于避光阴凉处保存,通风良好,不能装满。