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判断题 In a race, a rubber ring is placed on each participating pigeon's leg to mark the time
学科：默认课程
时间：2026-05-07 08:33:14
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题目1判断题
A pigeon is a rare bird which is able to find its way home from faraway placesA. 正确B. 错误
题目2判断题
Nowadays homing pigeons are raised for postal serviceA. 正确B. 错误
题目3判断题
People train the young pigeons to find their way home by gradually increasing the distance they flyA. 正确B. 错误
题目4判断题
In a race, a rubber ring is placed on each participating pigeon's leg to mark the timeA. 正确B. 错误
题目5判断题
Pigeon racing is only popular in BelgiumA. 正确B. 错误
题目6判断题
Airline pilots have various aids to guide them on their journeyA. 正确B. 错误
题目7判断题
Scientists have found out how pigeons find their way home but they keep it as a secretA. 正确B. 错误
题目8判断题
It's certain that pigeons, like airline pilots, have various aids to guide them in their long-distance flightsA. 正确B. 错误
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