how do business english effect your life?
题目
how do business english effect your life?
帮忙写一篇800字的全英文论文 题目内容如上
答案
At present,China Business English learners of a wide range.Including employees of foreign-funded enterprises,in international business environment,employees,to a certain extent in English,but English-...
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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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