i want to know if there is anything new还是i want to know if there is something new
题目
i want to know if there is anything new还是i want to know if there is something new
答案
由于不确定,并且是疑问句,因此用anything.
希望有所帮助：）
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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