members of an elphant family may be out of sight but they are able always in the minds of their lea
题目
members of an elphant family may be out of sight but they are able always in the minds of their lea
答案
最后那个单词没打完毕.不过还是可以知道句子意思的：大象家族中的成员虽然已经不在,但它却还是活在其他人的脑海里.
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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