3个人的中国风景英语对话
题目
3个人的中国风景英语对话
3个人的英语对话.关于中国风景的.
答案
A:Where have you been in the holiday?B:I visited to Beijing.A:When did you go?B:I left for Beijing on Oct 1st,the National Day of China.A:Whom did you go together with?B:My dad,mom and I went to Beiji...
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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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