英语作文 what is Tom usually do after school
题目
英语作文 what is Tom usually do after school
答案
what is Tom usually do after schoolTom is a third-year student,the daily learning tasks are heavy,so every day after school,Tom has to go home,start non-stop homework,review what has learned one day,a...
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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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