英语翻译
题目
英语翻译
The big tree is very tall and strong.People e_1_ the under it and birds sing it.All the people here t_2_ the big tree is helpful to term.The little plant is near the big tree,and no o_3_ needs its help.So no one would like to care about it.One day,the two have a t_4_.“Look,little one,"say the big tree,"my f_5_ are deep in the ground and my head is h_6_ in the air."
答案
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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