Could you come,please?Iwant some help.---____.
题目
Could you come,please?Iwant some help.---____.
答案
请问可以过来一下吗?我需要帮助!回答,Sure.i am coming now./sorry.could you please wait for awhile.i am busy now.
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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