全麻未清醒前的体位应取
A．改善心肺功能B．保持呼吸道通畅C．严格控制水、钾摄入D．限制蛋白质摄入E．多饮水卧床休息
参考答案：B
My mother ______ off the bike and broke her leg on the ground. [A] falls[B] was falling [C] tell
