英语作文——健康的生活方式
题目
英语作文——健康的生活方式
Eat lots of fruits and vegetables!
答案
Healthy Lifestyle - Eat lots of fruits and vegetablesNowadays,it is fashionable to eat healthy food,such as organically-grown food,and do exercises to keep healthy.In brief,people are trying to live a...
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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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