帮我写篇值日汇报,英语的
题目
帮我写篇值日汇报,英语的
课本内容,几十词就好.随便写什么.写得好的有+分.
答案
I am on duty today so I went to school early this morning.First I clean the blackbord and make the classroom in tidy.After school was over,I cleaned the classroom and got the desks and chairs in row.W...
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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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