求一篇以health diets为题的英语作文,要求300字,越快越好,
题目
求一篇以health diets为题的英语作文,要求300字,越快越好,
答案
The People's Diet--Changing or Not?The experiments conducted by the medical researchers show that what people eat or how much they eat will really affect their health.People are advised to have more v...
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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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