there are many students can afford to pay for college tuition without some form of education financi
题目
there are many students can afford to pay for college tuition without some form of education financing.
答案
即使不依靠多种形式的奖学金,很多学生仍然可以负担起大学学费
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
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