When light rays strikes an object, the light ____ off this object. The reflected light travels in a ____ line into the ____. Special ____ in the eyes send messages to the ____. The brain interprets the messages as an ____ of the object. ____ objects allow the light to pass through. ____ objects do not allow the light to pass through.

排行榜

視覺風格

選項

切換範本

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