一篇英语作文 Welcome to my reataurant
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一篇英语作文 Welcome to my reataurant
答案
Welcome to my restaurant!it's so beautiful,bright and comefortable.our waiters are friendly and polite.we have a lot of kinds of food for you to choose.you can choose any food you like in my restauran...
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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