我想找一篇完型,第一句是I had never learned as much maths in my life as I did last year.
题目
我想找一篇完型,第一句是I had never learned as much maths in my life as I did last year.
答案
I have never learned as much maths in my life as I did last year.It was because of Ms.Vacirca 16 I truly understood what I was learning.It might not seem 17 a big deal to some,but to me it is.I have 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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