After five hours drive，they reached       they thought was the place they’d been dreaming of.

A．that

B．where

C．which

D．what

发热最常见的原因是（）

A．感染

B．无菌性坏死物质吸收

C．抗原-抗体反应

D．内分泌与代谢障碍

E．皮肤散热不良