One day an old man sells(出售) a big elephant. A young man comes to the elephant and begins to look at it slowly(慢慢地). The old man goes up to him and says near(在……附近) his ear. "Don't say anything about the elephant before I sell it, then you can get some meat." "All right." says the young man.
After the old man sells the elephant, he gives the young man some meat and asks, "How can you see the bad ears of the elephant?" "I don't see the bad ears，"says the young man. "Then why do you look at the elephant slowly?" asks the old man. The young man answers, "Because(因为) I want to see what an elephant looks like."
根据短文内容，回答下列问题。
小题1: What does the old man sell?
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小题2: Does the young man want to buy the elephant?
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小题3:What does the young man get at last(最后)?
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小题4: Does the elephant have two bad ears?
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小题5: Why does the young man look at the elephant slowly? ____________________________________________
大面积银汞合金充填，远中食物嵌塞，要求固定修复。
平面与邻牙一致