我的暑假英语作文,60字左右,过去式,
题目
我的暑假英语作文,60字左右,过去式,
答案
I had an extraordinary time in this summer vacation.Not only did I finish my homework assigned by my teachers,but also volunteered in the library of my society,helping people find books they looked for.The minute people assisted delivered their thankfulness to me,I suddenly found my work meaningful.I hope I can spend my winter vacation like this.
经历完全虚构,请慎用.
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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