处理溴灼伤的操作有（）。A、涂甘油或烫伤膏 B、立即用大量水洗 C、用乙醇擦至灼伤处

----If this had happened to you, what would you have done?

----Me? I ________ the alarm.

A．would turn on

B．would have turned on

C．had turned on

D．must have turned on

---____ will we have to go?

---Just one mile．Keep walking．

A．How long

B．How far

C．How fast

D．How much farther

由泥炭变成褐煤的阶段是（）。

A.泥炭化阶段

B.煤化阶段

C.变质阶段