几道初一英语改错
题目
几道初一英语改错
Don't sad.We will help you.
What is the price for this MP3?
Could you tell me then does she plane leave?
答案
Don't sad.We will help you.
Don't be sad.
What is the price for this MP3?
for----of
Could you tell me then does she plane leave?
then----when
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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