题干
读短文，判断正误。
A crow (乌鸦) is thirsty. He finds a little water in a bottle (瓶子). But the neck (颈部) of the bottle is long. The crow can't get water. The crow thinks (想) and thinks. He puts some little stones in the bottle. The water rises up (上升). Now he can drink the water. What a clever crow!