绕过车辆或列车时，不得（）车辆或列车前、后通行，并注意邻线是否有列车、车辆驶来。
参考答案：紧靠
Sam said sorry to his mother , so she _________.
A．forgave his mistakes
B．forgave him of his mistakes
C．forgave him about his mistakes
D．forgave him for his mistakes
下列哪一神经损伤可出现"垂腕症"（）
A.正中神经
B.腋神经
C.肌皮神经
D.尺神经
E.桡神经
