哪里有小学英语的演讲稿!要有对话的!
题目
哪里有小学英语的演讲稿!要有对话的!
能不能再长一点点,再简单一点点,有些单词我都不懂.
答案
A:protection environment, everybody has a responsibility! B:to , but also has how many people to have this consciousness!if our survival environment is destructed,that consequence can it canbe imagine...
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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