呼吸微弱，气少不足以息称为（）
A.少气
B.叹息
C.气微
D.气粗
E.嗳气
参考答案：A
____in the leg made it impossible for him to walk home.
A．Injured
B．Being injured
C．To be injured
D．Having injured
手工电弧焊中对电焊机的基本要求是什么？
