急求英语作文 to be a good English learner
题目
急求英语作文 to be a good English learner
答案
Nowadays,the English is becoming more and more important .There are many different ways to learn English well.For example,these are my ways to study English.First,we have to make a hard decision to study English well and never give it up.Second we must do all the homework that the teachers told us on time.Third,we should read some English books and buy some exercise books to study.Then,we can ask our classmates or teachers when we come across some hard problems.Don't be afraid of making mistakes.Finally,we must stick these everyday.
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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