它们的过去式：lend send spend build sell tell say pay mett feed grow know throw f
题目
它们的过去式：lend send spend build sell tell say pay mett feed grow know throw f
答案
lent sent spent built sold told said paid met fed grew knew threw
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．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点