who is uncle zhiwei ? what does your father have? do you have an uncle? does she have an aunt?
题目
who is uncle zhiwei ? what does your father have? do you have an uncle? does she have an aunt?
哪位好心人给说下汉语
答案
谁是你叔叔,志伟?
你的爸爸有什么?
你有一个叔叔吗?
她有一个姑姑吗?
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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