英语现在进行时作文
题目
英语现在进行时作文
人称随便
必须2篇
100以下单词
答案
Spring is coming,in the park,there are so many chilren and old men playing in the park.Lision,many birds are singing the song of Spring.The grasses are very green and soft.The flowers are very beautiful,most of them have come out.The park is very lively.I like this,I like Spring!
只一篇,抱歉
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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