颈内动脉系统TIA的临床表现有（）
A.眩晕
B.共济失调
C.复视
D.Homner征交叉瘫
E.阵挛性痉挛发作
参考答案：E
The students were ____ over the ____ problem, listening to the teacher with a ____ expression
on theirfaces. [ ]
A. puzzled; puzzling; puzzling
B. puzzled; puzzling; puzzled
C. puzzling; puzzling; puzzled
D. puzzling; puzzled; puzzling
大理石安装前，颜色和纹理都要预先排列。
