the most exciting day 作文 急.急.
题目
the most exciting day 作文 急.急.
答案
What an exciting day!I have been looking forward to going outside for long,finally,the dream comes true today.Lloyd Elsmore Park,only 10-minute from home by car,is a very popular spot in eastern area ...
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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