急需Giving a helping hand as a volunteer的英文文章
题目
急需Giving a helping hand as a volunteer的英文文章
答案
I am a volunteer The Olympic Games will be opened up just after a month in 2008. Toady is the volunteer recruited day. I got up earlier than before, after breakfast, walked to the Olympic Village full...
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
最新试题
热门考点