every year ,college students can help younger students with their study in underdeveloped areas in C
题目
every year ,college students can help younger students with their study in underdeveloped areas in China .they are trying their best to help those students because they are so eager to learn.
答案
每一年,在中国,有很多大学生去不发达地区的支教,他们尽最大努力去帮助他们,因为他们对知识是如此地渴望.
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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