英语辩论会,裁判用语和总结陈词in English
题目
英语辩论会,裁判用语和总结陈词in English
答案
Everyone has done a wonderful job!Unfortunately ,I have to say,we have an apparent winner here,that is.Let's congratuate them.And also,let's applause for the all the groups for giving us such a wonderful show.Thank you!
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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