爱立信电源系统接GNB电池的浮充电压值为：（）
A.26.76V
B.27.1V
C.27.2V
D.28.2V
参考答案：B
能补肺胃之阴的药物有
A．天门冬
B．麦门冬
C．沙参
D．玉竹
E．石斛
I learned ______ the violin when l was 4 years old.[ ]
A. played
B. to play
C. to playing
D. play
