三明治做法(100英语作文)
题目
三明治做法(100英语作文)
答案
Last Sunday I went to see my aunt with my brother.My aunt made some beef sandwiches for us.They were very delicious.After lunch,I asked my aunt to teach me how to make a beef sandwich. First,she pu...
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