with her help of miss LI,I can finsh the work in time 这句话哪有错
题目
with her help of miss LI,I can finsh the work in time 这句话哪有错
答案
her 改为the
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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