求一篇英语作文,题目是vacation plans(60个单词)
题目
求一篇英语作文,题目是vacation plans(60个单词)
答案
I will have lots of things to do during this three-day holiday.On the first day I am going to stay at home to do my homework so that I can finish it on time.I am going to visit my grandparents with my...
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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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