以“sports day”为题写一篇英语文章
题目
以“sports day”为题写一篇英语文章
答案
sports day Last Sunday was our school sport day. We went to *** Sports Center by school bus. Look, *** is running fast. Go for it, Xiaoxiong. Look, Zhu Rufeng is getting the baton,he is catching up...
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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