如果24小时后发热仍不退,应采取
A.用抗生素
B.胸腔穿刺抽气
C.停止肠外营养
D.气管切开
E.增加胰岛素用量
参考答案:A
已知相似多边形的相似比为9:4,那么这两个三角形的周长比为( )
A.9:4
B.4:9
C.3:2
D.81:16
It is ________ ill health that she is now not so active in the movement.[ ]
A. instead of
B. in place of
C. due to
D. in face of