支气管哮喘与心源性哮喘鉴别如果有困难时忌用（）
A.氨茶碱
B.沙丁胺醇
C.异丙嗪
D.吗啡
E.泼尼松
参考答案：D
— Hi, Torry, can I use your computer for a while this afternoon?
—Sorry. .
A．It’s repaired
B．It has been repaired
C．It’s being repaired
D．It had been repaired
一个边长12厘米的正方形纸剪成两个完全相等的长方形，每个长方形的周长是______厘米．
