请用 How to be a good learner. 写一篇80词左右的英语作文 初三水平的.谢谢!
题目
请用 How to be a good learner. 写一篇80词左右的英语作文 初三水平的.谢谢!
答案
As students,we usually need to enrich our knowledge.First of all ,we should make best use of the textbooks.What's more,we should turn to our teacher for help when we come across any problem.Last but n...
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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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