脊髓型颈椎病阳性体征有
A．旋颈诱发试验阳性
B．臂丛神经牵拉试验阳性
C．颈椎间孔挤压试验阳性
D．双下肢无力
E．锥体束征阳性
参考答案：D,E
I don’t believe_____: he said he had finished his homework by himself.
A．you
B．him
C．that
D．this
列检所是车辆运用维修的基地，它的主要任务是什么？
