as quick as you can与 as fast as you can有什么区别
题目
as quick as you can与 as fast as you can有什么区别
答案
fast"迅速地"：指运动的物体和运动的速度；
Run as fast as you can：尽可能地跑.
quick"快"：强调立刻行动,毫不迟疑,毫不耽搁；
Quick!Or we'll be late.快点!要不然我们迟到了.
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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．
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