求一篇题为"my dream"的英文演讲稿,2分钟左右.
题目
求一篇题为"my dream"的英文演讲稿,2分钟左右.
答案
My Dream Everyone has a dream ,it's not integrated if there isn't a dream in your life .However ,most of us don't care enough about that,what we care is how to compete the present job quickly a...
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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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