既降肺气，又降胃气的药物是（）
A.旋覆花
B.桔梗
C.白前
D.前胡
E.半夏
参考答案：A
Output is data that has been processed into useful form called (72) . That is a computer processes input into output.
A．data
B．information
C．interface
D．system
党建的主要内容是什么？
