Amy,sit down.We need to talk.Your mother and I are going to ( )
题目
Amy,sit down.We need to talk.Your mother and I are going to ( )
A.separate B.separate with each othe C.divorce ourselves D.divorce with each other
为什么选A,要有各项的分析,还有如果用divorce可以吗?
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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