题目内容：

One day an old man was selling a big elephant．A young man came to the elephant and began to look at it slowly and carefully．The old man went to him and said，“Don’t say anything about the elephant before I sell it，and then I’ll give you some meat．”“All right，”said the young man．After the old man sold the elephant，he gave the young man some meat and said，“Now，can you tell me how you see the bad ears of the elephant?？”“I didn’t find the bad ears，”said the young man．“Then why did you look at the elephant slowly and carefully?”asked the old man．The young man answered，“Because I’ve never seen an elephant before，and I want to know what it looks like．”

根据短文内容，回答问题。

1.What did the old man sell?

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2.Did the  elephant have good ears?

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3.Why did the young man look at the elephant slowly and carefully?

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4.What did the old man give to the young man?

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5.What did the old man ask the young man not to do?

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