英语的动物作文50词
题目
英语的动物作文50词
答案
My favourite animal
I love dogs,dogs are the cutest animal ever on earth.From small and cute ones to big and fierce ones.I love all kind of them.They say dogs are man's best friends.I agree with that because dogs are royal,friendly and fun to play with.Some of them are extremely cuddly and soft to hold and hug.While some of them are extremely royal and helps us guard all our properties.
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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