单项选择题
A．in our eyes B．only when we think very hard about something C．only under the direction of a psychologist D．in every person's mind
Which of the following is implied but not stated in the...
单项选择题Which of the following is implied but not stated in the passage（）
A．Psychologists do not yet know how people see. B．The experiments in which all factors are controlled are better. C．The study of perception is going on now. D．Perception does not involve psychological factors.
People perceive different things about the same scene b...
单项选择题People perceive different things about the same scene because（）
A．they see different things B．some have better eyesight C．they cannot agree about things D．none of these
