题目内容
When you are being introduced, you had better:Stand up. If you cannot stand up, you shouldnotshow your intention to do so, or try your best to stand up. No matter you are lady or gentleman, you should follow this rule.
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When two Chinese meet each other even for the first time, they might begin asking about eachothersage, marital status, offspring, occupation, and even income. The Chinese think that they are being polite by showing concern for the other person, and asking all these questions will help shorten the social distance themselves and their interlocutors.
当f(x)是3次多项式时，f(x)的4次插值多项式是( ).
当插值函数为多项式时，称为（ ），当插值函数为三角函数时，称为( ).
对于等距节点，如果插点x位于数据表的表头，则利用（ ）；如果插点x位于数据表的表尾，则利用（ ）.
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