做直腿抬高试验检查时,当患者下肢抬到以下哪个角度以内出现疼痛,即为直腿抬高试验阳性()
A.50°
B.60°
C.70°
D.80°
E.90°
参考答案:C
劳动法律事实
I do enjoy when I’m listening to the sound of the rain.
A.them
B.that
C.it
D.this