一定条件下，碘单质与砹单质以等物质的量进行反应，可得AtI。它与Zn、NH3都能

Mo Yan said he would never forget those years ________ he lived in his hometown with his family, ________ has a great effect on his life.

A．when; that

B．that; which

C．which; who

D．when; which

杀灭细菌芽孢常用（）。

A.巴氏消毒法

B.煮沸法

C.高压蒸汽灭菌法

D.流通蒸汽灭菌法

E.过滤法

欲降低药物毒性应考虑利用的配伍关系是（）

A.相须相使

B.相使相恶

C.相恶相反

D.相杀相畏

E.相畏相反

盒子化产品oracle用户下安装的组件有（）。

A.oracle 11g服务端

B.Datastation

C.oracle 11g客户端

D.iweb

简述在顶吹转炉炉膛内氧气射流的特征。