阅读理解。

     Man invented a lot of sports equipments(器材). The first true piece was the ball.

     Thousands of years ago, in Egypt(埃及), throwing stones was children's favourite game. But a badly

 thrown stone could hurt a child.Looking for something less dangerous to throw,the people in Egypt made

 the first balls.

     At first, they used tree leaves to make balls. They used vines(藤) to keep the leaves together. Later

 they began to use pieces of animal skin and fill them with some light things. These balls were much better

 than the old ones.

     Before long they invented a lot of ball games, each had its own rules. They began to play these ball

 games according to the rules. They thought that ball playing was one of the best ways to teach the

young men to be brave(勇敢) and strong.   

1. ____, so the Egyptians invented balls instead.

A. Throwing stones was a popular game for children  

B. Stones were too heavy to throw

C. Stones might hurt children        

D. They hadn't so many stones

2. They preferred playing balls than throwing stones because ____.

A. balls were lighter than stones    

B. they were looking for something

C. balls were easy to make        

D. throwing stones was more dangerous

3. They made the first balls with ____.

A. leaves and vines    

B. animal skin    

C. something light  

D. something better

4. The Egyptians invented ____ very long ago.

A. many different kinds of games    

B. many different games with balls

C. throwing stones                

D. dangerous games

5. Ball playing ____.

A. would teach the young men how to play games

B. would make the young people healthier

C. could be more interesting

D. could be the best way to study well