英语翻译
题目
英语翻译
In testimonywherefo,I,Condoleezz Rice,Secretary of State,have hereunto caused the seal of the Departmenty of State to be affixed and my name subscribed by the Assistant Authentication Officer,of the said DEPARTMENT,At the city of Washington,in the DISTRICT OF Columbia,this third day of July,2008
好像是一份 授权文件
答案
好难的文件哦`````
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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