题目内容：

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Basketball players are usually very tall. Because they need to put the ball into the basket. Other sports players may be shorter than them.

Short people often have better balance than tall people, so they don’t fall over very often. In some sports the players must have good balance, for example, table tennis, they don’t need to have long legs to run fast. Some of the fast runners in the world are not very tall. Some people are tall and some are short. The tallest man in the world is 2.41 meters tall. Today young people in many countries grow taller than their parents. This is because they eat better than their parents.

1.Are all sports players tall ?

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2.Do shorter people often have better balance than taller people ?

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3.Why do young people grow taller than their parents ?

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