Yue Yue, ____2­year­old girl who was twice run over by vans and then ignored by 18 passers­by as she lay critically injured on a street, draws_____ concern from all over the country.

A．/；/

B．a；the

C．a；/

D．the；a

人工呼吸的方法，下列哪项是错误的（）。

A.首先必须通畅气道

B.吹气时不要按压胸廓

C.吹气时捏紧病人鼻孔

D.首次吹气2次

E.按压频率成人8～10/min