Do you have a healthy _____(eat) habit?Tom like
题目
Do you have a healthy _____(eat) habit?Tom like
Do you have a healthy _____(eat) habit?
Tom likes _____(play) soccer ball.
用括号里单词的适当形式或本身填空.
答案
eating
playing
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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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