黄连
参考答案：
属于毛茛科植物，根药用称中药黄连。
Sue has decided to go on_____ more balanced diet and make _____time in her day for regular exercise.
A．the; a
B．a; /
C．the; the
D．/; the
对于Ⅱ型呼吸衰竭的患者，最适宜的吸氧浓度为（）
A.10%～45%
B.35%～40%
C.51%～60%
D.25%～35%
E.10%～50%
