关于动物的英语小故事 50词
题目
关于动物的英语小故事 50词
答案
A Jealous Goat A goat and a donkey lived on the same farm.The goat had to find his own food,but because he made the donkey work hard,the farmer fed him.The goat became jealous,forgetting all the donke...
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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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