he is so spoilt that he is never .with what he has.
题目
he is so spoilt that he is never .with what he has.
a.contented b.comfortable c.complacent
d.concerned
答案
填 a. contented 满足
he is so spoilt that he is never contented with what he has.
他是如此被宠坏,不管他有什么他总是不会满足的.
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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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