热邪壅肺证,可见
A.咳嗽,咯痰稀白B.咳嗽,痰多泡沫C.咳喘,咯痰黄稠D.咳嗽,痰少难咯且咳喘E.痰多易咯
参考答案:C
My mother often tells me not to ________ or not to look down upon others.
A.show off
B.turn off
C.take off
D.get off
非气密座舱通风的气体通常来自于:().
A.发动机引气
B.外界冲压空气
C.空调空气
D.发动机排气