I feared that the shopkeeper would change her mind__.A.or that she would raise her price
题目
I feared that the shopkeeper would change her mind__.A.or that she would raise her price
B.or that she will raise her price
C.or that she raises her price
D.and raises her price
答案
D
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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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