选择nantong is ___the north of shanghai.
题目
选择nantong is ___the north of shanghai.
nantong is ___the north of shanghai.
A in B to C at D from
l'll___tonight.please
Agive a ring;wait B give a ring;wait for C give you a ring;wait D give you a ring;wait on
答案
In;
C
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．
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