用所给单词或短语的适当形式填空
题目
用所给单词或短语的适当形式填空
no more ,no longer,any longer,any more
1.Tommy wasn't a kid _____.
2.Our city is _________ what she used to be.
3.Time lost will return ______.
4.This is a p=iece of good news for all Chinese middle school students in the countryside.They don't have to pay for school _____.
答案
1.any more
2.no longer
3.no more
4.any more
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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