如图所示，下述指征表明穿刺针进入硬膜外间隙，除外（）
A.遇阻力
B.突破感
C.负压现象
D.回抽无液体流出
E.注气注水后气泡外溢
参考答案：A
－Marry doesn’t run very fast today.
－Yes, there is_________ with her leg.
A．anything wrong
B．nothing wrong
C．something wrong
D．wrong something
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