英语翻译
题目
英语翻译
4.我是见习牙医,我将于九月二日上班.（九月二日请用英文说明）
答案
You have been to the United State.Why do you come here this time?
I didn't have enough time for the tour last time.So I come again.
I want to join the celebration of the Independence day.
I am a dentist intern,and I shall go to work from Septemer the second.
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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