What number can replace （代替）
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你参加赛跑，追过第2名，你是第几名？
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Simon rents a car in the city to go skiing in the mountains 100 kilometres away. He stops halfway to pick up his girlfriend Nina at her house, and drives the remaining 50 kilometres with her. On their way back, Simon drops Nina at her house and drives back to the city alone. He returns the car and pays $50 for the …
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1. Nearly one in three subscribers to Financial Forecaster is a millionaire, and over half are in top management. Shouldn’t you subscribe to Financial Forecaster now?A reader who is neither a millionaire nor in top management would be most likely to act in accordance with the advertisement’s suggestion if he or she drew …

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下面是20道有趣的智力测试题。
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小明和小强是程序员，几天来在公司连续加班加点，晚上在回家的路上小明突然一下问小强来：“真想星期天好好睡个懒觉，今天是星期几呀？”小强给他的回答竟转了个弯：“假如把后天的明天看成今天的昨天，和假如把前天看成明天，那么前一假如下已过完星期天的天数比后一假如下离将要过星期天的天数多一天，你看到底今天是星期几吧。
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给有过童年和正在经历童年的你

看看你是不是一个聪明的小孩？

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Dear Malia and Sasha,

I know that you’ve both had a lot of fun these last two years on the campaign trail, going to picnics and parades and state fairs, eating all sorts of junk food your mother and I probably shouldn’t have let you have. But I also know that it hasn’t always been easy for you and Mom, and that as …

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Igor was both the 15th highest and the 15th lowest in a tennis tournament. How many people were in the tournament?

A：28

B：29

C：30

D：31

E：32

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What would be the next group of letters in this series?

aaaa ... bdzb ... cgac ... djzd ...?

A：enae

B：ekze

C：elxe

D：emae

E：eize

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