If,during helicopter refueling operations,fuel is spilled on clothing,the person should first（）.

A.see the medic immediately

B.spray hinself with foam or CO

C.complete his task and then see medic

D.remove the clothing and wash

癫痫必须同时具备的特点是（）

A.大脑神经元反复地、过度地、超同步化发放

B.大脑神经元一过性、过度地、非同步化发放

C.一过性和发作性的脑功能障碍

D.出现持续的脑功能障碍

E.神经元的异常过度发放均导致一过性脑功能障碍