1,改错指出错误并改正 where are my aiarm clock is this you books?
题目
1,改错指出错误并改正 where are my aiarm clock is this you books?
where’s my backpack it on the sofa.These are my CD,He name is Tom
答案
Where is my alarm clock Is this your book?
Where’s my backpack It's on the sofa.These are my CDs.His name is Tom
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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