your shoes are _______
题目
your shoes are _______
A.where they were B.the place you put
C.in the corner that you put D.there where they are
是A,其他几个错在哪里
答案
应改为
B the place you put in
C.in the corner that you put them in
D.where they are
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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