英语作文《九年级学生周末要不要上课》
题目
英语作文《九年级学生周末要不要上课》
答案
I think students of grade nine should have classes in the weeken . It is well known to us that we have too much to learn .we have ontime too lose.we shouldsave our time.teached by teacher is a good way to study.So if we have class in the weeken ,we will have more time to be teached by the teached.We will make program. So i think we should study on weeken.终于写好了,可以吗
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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