如何写一篇秋游的英语作文
题目
如何写一篇秋游的英语作文
答案
We fall camp(我们的秋游)
Last week,we were go to the Laohutan marine park fall camp.We saws dolphins、seals、whale sharks and hippocampus…Then we were go to the happy-theater.The host was very humor,the animals star was very lovely and very clever.Then we were go to a small garden,we were played very happy.Back home after I very excited.
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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