用一般过去式写一篇英语作文,不少于50词
题目
用一般过去式写一篇英语作文,不少于50词
答案
It was October 12th yesterday.My friends had a birthday party for me.In the morning,they came to home early,and they brought many presents for me.I liked them very much.We sang songs,danced to disco and played games at the party.There were fifteen candles on my birthday cake.I made a silent wish,and then I blew the candles out in one breath.I had an interesting birthday party.We had a good time in the party.
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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