用英语说上周末做的事
题目
用英语说上周末做的事
用上go to beijing visit a lof piaces take photos
答案
last weekend I went to beijing and i visited a lot of places,for example:Fragrance Hill and so on,i took so much photos,too.
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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