椎间盘突出的MRI间接征象有()
A.髓核突出
B.髓核游离
C.Schmorl结节
D.硬膜外静脉丛受压、迂曲
E.硬膜囊、脊髓或神经根受压
参考答案:D, E
They were so far away that I couldn't ______ their faces clearly. [ ]
A. make for
B. make up
C. make of
D. make out
情绪的外部表现是表情,具体包括以下哪几种( )
A.面部表情
B.行为表情
C.姿态表情
D.语调表情