求一篇英语作文关于跨国婚姻,
题目
求一篇英语作文关于跨国婚姻,
答案
One of my friends,who is a young woman,got married with a foreigner in Australia.But after a while they were having a lot of difficulties and problems.Anyway,they eventually decided to get a divorce.B...
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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