Most of the big hotels in Shanghai were full last week, but finally we______find a room in a small one.

A．ought to

B．could

C．were able to

D．might

用酒精擦浴为高热病人降温属于（）

A．辐射散热

B．传导散热

C．对流散热

D．蒸发散热

E．发汗