Every year in November,.
题目
Every year in November,.
Every year in November,many town centres around the UK are lit up with Christmas lights in preparation for the Christmas period.Some of the big cities in the UK have very extravagant light displays.Sometimes celebrities switch on the Christmas lights.
最后一句怎样翻译.
答案
有时候,某些名人也会参加演出.
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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