题目内容：

    Playtime is important to children, and playing outdoors is really good for them. But today more and more children spend their free time indoors. They watch TV, play computer games, play with their smart phones, etc.

American father Mike doesn’t think it’s good for children to spend too much time indoors. So he turned his yard into a playground. Now on the open playground, there is a zip line (飞索) and a large playhouse with a trampoline (蹦床) and a slide (滑梯). His three sons and other children from the neighborhood like to have fun there.

Mike and his wife Kathy live with their three boys. They began building their playground in 2008. “To let our kids go outside and play on their own, we think it’s a good idea to turn our yard into a playground,” said Mike.

Mike encourages(鼓励) his three boys to take risks(冒险) when they play on the playground. They also welcome three to four children from the neighborhood every day to play there. “ Usually within about half an hour, every kid becomes excited and they play, run and laugh. It’s just so wonderful for me to see,” said Mike.

根据短文回答问题。

1.Which is good for children according to the passage, playing outdoors or playing indoors?

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2.What did Mike do to make his children play outside?

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3.How many children does Mike have?

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4.Can other children play on their playground?

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5.How do the children feel when they play on the playground?

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