诊断轻微肝性脑病的辅助检查有（）。
A.诱发电位
B.脑电图
C.头部CT
D.心理智能测验
E.临界视觉闪烁频率
参考答案：A, D, E
The first edition was published in1955 and _____ a best-seller ever since. [ ]
A. had been
B. will be
C. would be
D. has been
奥尔波特把人格个人特质分为( )等层次。
A．共同特质和个人特质B．首要特质、中心特质和次要特质C．一般特质和特殊特质D．外向特质和内向特质
