急性小脑幕上硬膜外血肿,最常见的出血来源是
A.脑膜中静脉
B.脑膜中动脉
C.静脉窦
D.骨折的板障静脉
E.脑表面桥静脉
参考答案:B
With the advances of technology, plastics have taken the place of many ________materials.[ ]
A. conventional
B. optional
C. artificial
D. potential
"凡用针之法,以补泻为先"出自()
A.《灵枢·经脉》
B.《灵枢·九针十二原》
C.《难经》
D.《针灸甲乙经》
E.《千金方》