Would you like something to drink before dinner?Would you like to drink something before dinner?
题目
Would you like something to drink before dinner?Would you like to drink something before dinner?
一样吗 有啥区别吗
答案
完全一样,没有区别,表达方式不同而已
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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