Is there a hospital around ____ I can get some medicine for my wounded hand?

A．that

B．which

C．where

D．what

为防止食品变质，常在食品包装盒中放入一小袋用来吸收水分和氧气的物质是（　　）

A．生石灰

B．固体烧碱

C．纯碱

D．铁粉