dump,pollute,realize,reduce,repair,own,relax,miss的过去式和过去分词
题目
dump,pollute,realize,reduce,repair,own,relax,miss的过去式和过去分词
答案
dumped dumped
polluted polluted
realized realized
reduced reduced
repaired repaired
owned owned
relaxed relaxed
missed missed
它们都是规则动词
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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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