求一篇高一英语演讲稿
题目
求一篇高一英语演讲稿
要有个小故事然后讲启发的,
答案
Thanksgiving Day,as celebrated in North America,is a time to gather with family and friends to give thanks for the many blessings enjoyed by these nations and their citizens.However,to many people,its...
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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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