求what do students do at green high school 全文,急用啊
题目
求what do students do at green high school 全文,急用啊
答案
Here are the results of the student activity survey at Green High School.Most students exercise three or four times a week.Some student exeercise are very active and exercise every day.As for homework...
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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