完形填空。

　　Once a king was walking around a pool with his ministers(大臣)．Suddenly, he came up with(想出)an idea．He asked,“How many baskets of 　　1　　 are there in the pool?”The ministers couldn’t give an answer．The king was angry,“You 　　2　　 answer my questions in three days!”

　　Three days passed, but 　　3　　 of the ministers had the answer．Just then, a child said that he knew it．The king told the ministers 　　4　　 the child to the pool．To his surprise, the child 　　5　　 and said with a smile,“It is 　　6　　．No need to go to the pool．”This made the king pleased．“All right．Let us know 　　7　　．”The child said,“If you know the 　　8　　 of the basket, the answer is known．　　9　　 it is as big as the pool, there is one basket of water; half as big, two baskets…”“Stop!That’s it．You have got the answer．They were thinking of things 　　10　　 a wrong way．”

　　Sometimes to get out of the difficulty, one must change one’s way of thinking．

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