题目内容：

Winter is a time for many exciting sports: sledding (乘雪橇), skating and skiing. Skating and skiing need lots of skills. Sledding gives you good exercise and is lots of fun!

     A sled looks like a boat. It can move easily over snow or ice. Early sleds were made of wood. Now some better sleds are made of glass.

     Sleds can be pulled（被拉）by animals. In some very cold parts of the world, people make animals like dogs, horses, and reindeer (驯鹿) pull(拉) goods(货物) or people in sleds.

     People also sled for sports and fun. Driving a sled does not need much skill. The driver gives a kick(踢) in the snow to start the sled. He or she can also ask someone else for help. In a sled, there can be one person(人) or several(几个).

    Usually, you have to lie on your back, feet first in a sled. As you travel, you move your body and feet to keep it in the right direction (方向).

There is a special sled called the skeleton sled (骨架雪橇). It’s very different.

On a skeleton, you lie on your stomach and drive the sled in a head-first way. It is very fast! Many people are afraid to ride it. But once they try it, they want to do it again!

1.What were early sleds made of?

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2.What kind of animals can pull sleds?

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3.Besides(除...外) pulling goods or people, what are sleds also used for?

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4.How many people can stay in a sled?

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5.How do many people feel when they ride a skeleton?

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