Happiness lies not in the mere possession of money ; it lies in the joy of achievement ,in the thr
题目
Happiness lies not in the mere possession of money ; it lies in the joy of achievement ,in the thr
答案
Happiness lies not in the mere possession of money ; it lies in the joy of achievement , in the thrill of creative effort .(Franklin Roosevelt , American president ) 幸福不在于拥有金钱,而在于获得成就...
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