一道脑筋急转弯,汉语回答,A huge animal which is white and lives in north pole .What is it?

一道脑筋急转弯,汉语回答,A huge animal which is white and lives in north pole .What is it? (脑筋急转弯)Why is a river rich?用汉语回答. Which is heavier,a kilo of cottonWhich is heavier,a kilo of cotton or a kilo of tomatos?用汉语回答,是个脑筋急转弯 Find out a three-letter word which makes the following.MOUSETRAP这是一道脑筋急转弯, 脑筋急转弯 脑筋急转弯 脑筋急转弯. 脑筋急转弯： 脑筋急转弯 脑筋急转弯 脑筋急转弯： 脑筋急转弯 脑筋急转弯 脑筋急转弯： why is the A like flowers?不是翻译是脑筋急转弯请回答 why is the A like flowers?不是翻译 是一个脑筋急转弯 用英文回答 why is a dog afraid of sunshine?急.用英语回答，这是脑筋急转弯 最近女朋友迷上脑筋急转弯,有一道题四加四加四加四打一水果名?脑筋急转弯