写一段你和朋友之间的短对话.用英语
题目
写一段你和朋友之间的短对话.用英语
你问每一个人:“what are you going to do in your holidays?where will you go?what will you do?
答案
Y:Hi,what are you up to?F:I am making a plan of my holiday.Y:So what are you going to do on your holiday?F:I haven't decided it yet.But I want to do something special,how about traveling?Y:Good i...
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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