求英语debate
题目
求英语debate
China has adopted one-child policy for many years.The policy keeps the birth rate under control and received great applause from the whole country.But now people begin to realize it brings many problems to our society as well,the aging of population.So some people proposed to change one-child policy to two-children policy.A and B have different opinions on this issue.
有正反两个观点,就是需要两个人之间的辩论.
答案
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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