英语对划线提问
题目
英语对划线提问
i looked for my pen everywhere yesterday.划线部分my pen they are going to have a holiday tomorrow.划线部分have a holiday
答案
What did you look for everywhere yesterday?
What are they going to do tomorrow?
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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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