英语句子改错,麻烦找出错误后帮订正
题目
英语句子改错,麻烦找出错误后帮订正
he pets and peole will be friendly
with pets play game is very happy
people spend time with animals can help people lives more fun
not supposed them to hurt people
5.i think keeping pets have some good ways and some bad ways
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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