知觉恒常性包括（）恒常性等几种。 A.大小 B.形状 C.颜色 D.明度_爱下问搜题

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问题多项选择题

知觉恒常性包括（）恒常性等几种。

A.大小

B.形状

C.颜色

D.明度

答案

参考答案：A, B, C, D

选择题

There was TV at that time, so we didn't know about the world.

A. not; a lot of
B. no; little
C. no; a lot
D. not; a few

单项选择题

On offshore drilling units，each EPIRB or SART must be tested once every（）.

A.day

B.week

C.month

D.year