脊髓损伤预后最好的是()
A.脊髓震荡
B.脊髓挫伤
C.脊髓断裂
D.脊髓受压
E.马尾神经损伤
参考答案:A
Many students in this school make __________ a rule to come to the evening classes even on Saturdays and Sundays.
A.this
B.that
C.it
D.them
甲状腺髓样癌的特征包括()
A.可有家族史
B.分泌降钙素
C.癌细胞多形性明显
D.间质黏液变性
E.电镜下癌细胞内有神经内分泌颗粒