求人帮我写2英语作文
题目
求人帮我写2英语作文
一个是 my family
一个是 my weekend
答案
My familyMy name is Li Hong.I a,from a happy family.There are six people in my family.They are my grand father,my grandmother,my,father,my mother and I.Every member in my family works for his or her o...
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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