——What ___ I wear for the party this evening, darling?

——It's a formal dinner．

A．shall

B．can

C．may

D．must

热衰竭的处理原则（）

A.脱离高温环境至阴凉通风处

B.口服含盐清凉饮料

C.吸氧

D.静滴升压药物

E.药物降温