以保护野生动物的英语作文.150字
题目
以保护野生动物的英语作文.150字
答案
Animals, although can give us humans bring great benefits. But we cannot always killing animals. This is one of the human shame. Don't participate in illegal trade in the wild animals.
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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