太息多因
A．肺失宣降B．肺气不足C．脾气虚弱D．肝气郁结E．肾不纳气
参考答案：D
Have you learned ______ more English at junior high school? [ ]
A. spoken
B. spoke
C. to speak
接触网实际侧面限界与标明的侧面限界之差不得大于（）mm，且实际侧面限界不得小于《技规》规定的最小值.
A.10
B.20
C.30
D.40
