腰椎间盘突出患者X线所见的传统三征是指()
A.腰椎生理弯曲度消失
B.腰椎侧弯
C.椎间隙两侧不等宽
D.腰椎小关节对合不良
E.腰椎增生
参考答案:A, B, C
I don't think____possible to learn English well without ____memory work.[ ]
A. it; many
B. that; a large number of
C. one; a great deal of
D. it; a good deal of
该结石的外观通常为
A.棕黄色,不规则形,蜡样外观
B.灰白色,不规则形,表面粗糙,易碎
C.红棕色,不规则形,表面光滑,易碎
D.淡黄色,类圆形,表面光滑,质地较硬,
E.棕褐色,桑椹样,表面粗糙,质地较硬