疖与面部疔疮初起都有粟粒样脓头，诊断面部疔的依据是（）
A.红热高肿
B.疼痛剧烈
C.顶硬根深
D.痛痒交作
E.弥漫肿胀
参考答案：C
— Would you like to come to the party?
— ______.
A．That’s quite all right
B．Yes, why?
C．Oh yes, thank you.
D．I really can’t agree with you.
评定内燃机换气过程好坏的参数是（）。
A.升功率NL
B.压缩比ε
C.充气效率μν
D.转速n
