节奏在朝鲜族民间舞蹈当中赋予了特殊的意义,节奏与音乐的部分又被称为什么?()
A.节拍
B.呼吸
C.动律
D.长短
参考答案:D
We to close the windows before we left the lab. [ ]
A. tell
B. told
C. are told
D. were told
颈部气管食管贯通伤后最危险的情况是()
A.气管食管瘘形成
B.纵隔气肿
C.血凝块进入气管
D.血气胸
E.呕吐