题目内容

The sense of balance is also known as the_________.

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The sense of balance is made possible by receptor organs located in the________.

The word sensation refers to the raw data of experience.

A. 对
B. 错

The trichromatic theory of color perception hypothesizes that we have three kinds of cones, differentially sensitive to three wavelengths of light, in the retina of the eye.

A. 对
B. 错

A sound wave has the remarkable property of being able to travel through a vacuum.

A. 对
B. 错

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