关于刻板印象，正确的说法包括（）。
A.容易导致偏见
B.是间接经验的结果
C.是直接经验的结果
D.具有社会适应的意义
参考答案：A, B, D
They have started an investigation, ________ are being kept secret. [ ]
A. details of which
B. of which the details
C. and the detail
D. the details of it
汽车修理经济效益的主要体现。
