题目内容（请给出正确答案）

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请教：大学生英语竞赛（NECCS）D类模拟试卷1第5大题第2小题如何解答？

【题目描述】

A man is 48 years old. He asks the other man how old he is. The other man answers; "I am twice as old as you were when I was as old as you are today. " How old is the other man？

【我提交的答案】：

【参考答案分析】：

64 解析：假定我现在x岁，当我48岁时，你的年龄是Y岁。因而，X：2Y，X一48=48一Y，用这两个等式，得出X=64。

【我的疑问】

为什么是64

暂无答案

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第1题

请教：大学生英语竞赛（NECCS）C类模拟试卷1第5大题第1小题如何解答？

【题目描述】

Peter, David and Paul said following sentences: Peter: David is a liar, Paul always tells the truth. David: Peter is truthful. Paul: David is a liar, Peter is truthful. Two of these men always tell the truth, one of them sometimes tells the truth and sometimes lies. Which of these men is a liar?A．Peter

B．David

C．Paul

D．Not sure

【我提交的答案】： A

【参考答案与解析】：

正确答案：B

答案分析：

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第2题

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What information is contained in all the four magazines?

A．Career.

B．Entertainment

C．College.

D．Business.

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第3题

Why wasn't Sven sent to prison?A．Because he was too young.B．Because he wasn't found guilty

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B．Because he wasn't found guilty.

C．Because he admitted his guilt to detectives.

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第4题

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A．He stole a lot of computers.

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D．He robbed a big bank.

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第5题

—Hello. I’d like to speak to Julie, please. —I' m afraid she isn't here right now. ______?

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A．Would you like to hold on

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C．would you like to see a movie tonight

D．Can I take a message

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第6题

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C．I'm really sorry to hear that

D．That's impossible. There must be some

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第7题

—Excuse me, ______? —Yes. That's one glass of white wine, one mineral water and one sandwi

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