居说圣诞老人是来原与历史上一个真实的人物.that father christmas a rear person in history.
题目
居说圣诞老人是来原与历史上一个真实的人物.that father christmas a rear person in history.
答案
Father Christmas is based on a real person in history.In Turkey,there once was a man named Saint Nicholas.He was a very shy person.He wanted to give money to the poor.But he didn't want them to know t...
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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