单项选择题

What does the author imply about desert-adapted mammals

A．They don't need to eat much food.
B．They never lose their appetite.
C．They can travel long distances looking for food.
D．They can eat large quantities quickly.

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单项选择题

Why is light coloring an advantage to large desert animals

A．It helps protect them from other dangerous animals.
B．It keeps them cool during the day.
C．It keeps them warm by reflecting light.
D．It helps them maintain a constant body temperature.