Tom is the fastest runner in my class 同义句
题目
Tom is the fastest runner in my class 同义句
答案
=Tom is the fastest runner of my class . 汤姆是我班最快的跑步运动员Tom runs faster than any other runner in my class.汤姆比我班其他的运动员跑得快=Tom runs faster than the other runners in my class.汤...
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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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