一道英语选择题(说出原因)谢谢!
题目
一道英语选择题(说出原因)谢谢!
-What kind of friends do you want to have?
-I like to have friends who are different ____ me.
A.in
B.from
C.of
D.as
答案
B
be different from
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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