水玻璃胶泥不适用于()。
A.碱性溶液
B.浓度10%的氟硅酸
C.氢氟酸
D.碱性盐溶液
参考答案:A, C, D
Next door to ours ______, who has achieved much in physics.
A.where lives an old scientist
B.where does an old scientist live
C.lives an old scientist
D.does an old scientist live
与MRI比较,CT显示以下哪一种病变较好()
A.脊髓水肿
B.后纵韧带钙化
C.脊髓受压
D.后纵韧带撕裂
E.骨髓水肿