英语作文 讲下思路及具体例子就行 1.Some people think the foreign
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英语作文 讲下思路及具体例子就行 1.Some people think the foreign
英语作文 讲下思路及具体例子就行
1.Some people think the foreign visitors should be charged more than the local visitors when they visit the cultural and historical attractions in another country. To what extent do you agree or disagree?
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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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