英语作文“介绍中国的礼仪”
题目
英语作文“介绍中国的礼仪”
答案
China Dining Custom Table Manners The main difference between Chinese and western eating habits is that unlike the West,where everyone has their own plate of food,in China the dishes are placed on the...
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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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