单选题：（　）People probably take part in dangerous sports nowadays be

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题目类型：单选题
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题目内容：

（　）People probably take part in dangerous sports nowadays because __________. A．they have a lot of free time
B．they can go to hospital if they are injured
C．their lives lack excitement
D．they no longer need to hunt for food

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第53应填入______

分类：英语题型：单选题

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Hundreds of thousands of young children are being given mobi

Hundreds of thousands of young children are being given mobiles (移动电话)by their p

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第31答案是（　　）

第31答案是（　　）A．above B．with C．by D．on

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（　） Halley made a surprising, but correct prediction in the

（　） Halley made a surprising, but correct prediction in the year __________. A．1

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第35答案是（　　）

第35答案是（　　）A．the sleeper B．a doctor C．a child D．parents

分类：英语题型：单选题

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