Several days later most of the building which had been damaged were repaired
题目
Several days later most of the building which had been damaged were repaired
如题
答案
几天之后,大多数受损的建筑修复了
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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