单项选择题

Which statement is true according to the passage（）

A．Not all objects reflect light.
B．All objects reflect light.
C．One particular object reflects only one color of light.
D．No objects will reflect all colors of light.

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单项选择题

In the sunlight, the coolest clothes would be （）

A．yellow
B．black
C．green
D．white

单项选择题

Which is the main idea of this passage（）

A．Dark-colored clothes are warmer in the sunlight.
B．Objects absorb part of the sunlight.
C．Color is caused by reflected light rays.
D．A red object reflects mostly red light.