外教来了,问有价值的英语问题(六年级)
题目
外教来了,问有价值的英语问题(六年级)
答案
How long have you been in china?Where are you from?What do you think of the culture between china and your mather land?Which of the chinese food do you like best and why?
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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